34 results on '"Duić, N."'
Search Results
2. A long-term capacity investment and operational energy planning model with power-to-X and flexibility technologies
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Feijoo F, Pfeifer A, Herc L, Groppi D, and Duić N
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demand response technologies ,energy planning ,Renewable Energy, Sustainability and the Environment ,power-to-X ,long term capacity planning ,linear programming ,power dispatch ,energy system decarbonization ,Energy planning ,Power-to-X ,Demand response technologies ,Long term capacity planning ,Linear programming ,Power dispatch ,Energy system decarbonization - Abstract
In this research, we present a new long-term energy planning model that considers endogenous capacity investment, energy dispatch, Power-to-X, and demand response technologies. A thorough literature review of existing energy planning models is also presented, allowing to present the distinctive characteristics of the proposed model. The proposed model considers an energy system with the objective of minimizing the total capacity investment cost, throughout all technologies, and the operational cost faced by the system in satisfying energy demand. The model also considers the links among different demand sectors, including the links between the electricity, industry, heat, transport, and electro-fuels (e.g., Hydrogen) sectors. The proposed model is used to study the decarbonization of the Croatian energy system under distinct policies associated to RES levels and CO2 emissions goals. We demonstrate that Power-to-X technologies can certainly provide the flexibility that is required by new capacity investments in variable renewable energy sources, obtaining systems with lesser levels of critical excess of energy production. Higher usage of battery storage and Power-to-heat technologies are adopted primarily for variable renewable shares and CO2 reductions of close to 80%, while below such levels, the adoption of such technologies is limited. Additionally, Power-to- heat flexibility options become the major technologies when limits on CO2 emissions from the heating sector are imposed and, particularly, when the variable renewable energy shares in the electricity sector gets close to levels of 60%.
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- 2022
3. Recent progress in sustainable energy-efficient technologies and environmental impacts on energy systems
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Vujanović, M., Wang, Q., Mohsen, M., Duić, N., Yan, Jinyue, Vujanović, M., Wang, Q., Mohsen, M., Duić, N., and Yan, Jinyue
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Energy sectors of all the countries around the world are faced with a big challenge: the energy transition under the imperative of continuous reduction of carbon dioxide emissions. The energy transition and the sustainability constraints pose a significant challenge for engineers, researcher and scientists developing new and clean energy-efficient technologies. Energy production and transformations, along with its storage, distribution and consumption, are achieved by utilising new and clean energy technologies, with the goal of the continuous increase of energy efficiency, the growth of renewable energy sources utilisation, the uninterrupted switch from fossil fuels to alternative energy sources, and the continued reduction of CO2 emissions. This editorial paper addresses the latest progress and the findings in research and developments in the sustainable energy technologies, energy and environment systems from selected papers of the conference on Sustainable Development of Energy, Water and Environment Systems held in 2019., QC 20220926
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- 2021
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4. Thermogravimetric and kinetic analysis of biomass and polyurethane foam mixtures Co-Pyrolysis
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Stancin, H., Mikulcić, H., Manić, Nebojša, Stojiljković, Dragoslava, Vujanović, M., Wang, Xuebin, Duić, N., Stancin, H., Mikulcić, H., Manić, Nebojša, Stojiljković, Dragoslava, Vujanović, M., Wang, Xuebin, and Duić, N.
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Alternative fuels are crucial for the decarbonisation of high-energy demanding processes. The utilisation of waste materials to produce alternative fuels is especially interesting since, the co-pyrolysis of waste plastics and biomass was lately introduced as promising method since the synergistic effect might enhance the product properties compared to those from individual pyrolysis. Furthermore, the utilisation of waste biomass, like sawdust, is interesting since it does not influence the sustainability of biomass consumption, and even more, it avoids the usage of raw feedstock. Thermogravimetric analysis is per -formed to determine the thermal degradation behaviour and kinetic parameters of investigated mixtures to find the most appropriate utilisation method. Co-pyrolysis was conducted for three mixtures with the following biomass/polyurethane ratios: 75-25%, 50-50%, 25-75%, over a temperature range of 30-800 degrees C, at three heating rates 5,10 and 20 degrees C/min, under an inert atmosphere. Obtained results were subjected to comprehensive kinetic analysis to determine effective activation energy using the iso-conversional model-free methods and provide a detailed analysis of the samples' thermal degradation process. This work aimed to identify the main thermal decomposition stages during co-pyrolysis of biomass and polyurethane mixtures and provide the mixture composition's influence on the considered thermochemical conversion process.
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- 2021
5. Special issue of applied energy dedicated to SDEWES conferences 2018 : Sustainable energy technologies and environmental impacts of energy systems
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Vujanović, M., Wang, Q., Mohsen, M., Duić, N., Yan, Jinyue, Vujanović, M., Wang, Q., Mohsen, M., Duić, N., and Yan, Jinyue
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This special issue of Applied Energy contains scientific articles presented at the 1st Latin American edition of the SDEWES conference conducted in 2018 in Rio de Janeiro, the 3rd South East Europe edition of SDEWES conference conducted in 2018 in Novi Sad, and the 13th SDEWES conference conducted in 2018 in Palermo. The SDEWES conferences are international scientific conferences that gather scientists and professionals from the field of sustainable development. These conferences have brought together 770 scientists, researchers, and experts in the field of sustainable development of energy and environment. This editorial is based upon 20 papers selected from among 700 contributions presented at the SDEWES conferences in 2018. The topics covered in this special issue include the advances in research and development in the energy sytems and technologies and its environmental impact within the framework of sustainable development., QC 20191205
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- 2019
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6. Benchmarking Different Treatment Methods for Organic Municipal Solid Waste
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Rutz, D., Mergner, R., Janssen, R., Bojan Ribić, Kostic, R., Hadžić, A., Mijić, G., Pukšec, T., Duić, N., Zweiler, R., Doczekal, C., Novakovits, P., Gruevska, A., Antevski, G., Chaloski, M., Mitkovski, D., Petrusevski, K., Cvetkovska, E., Guevara, L. C. L., Rodríguez-Acuña, R., García, A., Médieu, A., and Kazeroni, M.
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Anaerobic digestion ,Beverage industry ,Biogas ,Biomethane ,Catering services ,Food industry ,Food waste ,Municipal solid waste ,Source separated waste ,Biomass - Abstract
In the EU around 40% of bio-waste (organic fractions of municipal solid waste including food waste) still goes to landfills. In some Member States this waste is almost completely landfilled. An estimation is that about one-third of Europe`s 2020 targets for renewable energy in transport could be met by using biogas produced from bio-waste (including food waste), and around 2% of the EU`s overall renewable energy target could be met if all bio-waste were turned into energy.Modern and environmentally friendly waste management is still not introduced in many European cities and regions. This problem is tackled by the Bin2Grid project which promotes the “food waste to biomethane” concept in four large European cities in order to serve as flagship examples for other cities.The objective of the Bin2Grid project is to support biomethane production and its use in transport by using segregated food waste from the food and beverage industry, catering sector, and from households(MSW) as feedstock. Focus of the Bin2Grid project is on the development of value chain concepts for four European cities: Zagreb (Croatia), Skopje (Macedonia), Malaga (Spain), and Paris (France). The Bin2Grid project highlights the multiple environmental benefits of source-separate waste collection and conversion of that feedstock into biomethane, in comparison to other treatment methods (landfilling, incineration, MBT, composting). A Benchmark Tool was developed by the project and is presented in this paper., Proceedings of the 25th European Biomass Conference and Exhibition, 12-15 June 2017, Stockholm, Sweden, pp. 204-209
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- 2017
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7. Potential of district cooling in hot and humid climates
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Dominkovic, Dominik Franjo, Rashid, K. A. Bin Abdul, Romagnoli, A., Pedersen, Allan Schrøder, Leong, K. C., Krajačić, G., Duić, N., Dominkovic, Dominik Franjo, Rashid, K. A. Bin Abdul, Romagnoli, A., Pedersen, Allan Schrøder, Leong, K. C., Krajačić, G., and Duić, N.
- Abstract
Efficiently utilizing energy that is currently being wasted can significantly increase energy efficiency of the system, as well as reduce the carbon footprint. In hot climates with large cooling demands, excess waste heat can be utilized via absorption chillers to generate cold. Moreover, cold from liquefied natural gas gasification process can further provide energy source for meeting the cold demand. In order to connect the large sources of waste heat and cold energy with customers demanding the cold, a significant investment in district cooling grid is a necessity. In order to deal with the mentioned issue, an existing energy balance model was complemented with Matlab algorithms in order to model the whole energy system, including the detailed representation of the district cooling grid. Singapore was chosen for a case study and several different scenarios were developed for the year 2050, with the main indicators being total primary energy supply, total CO2 emissions and total socio-economic costs. The most beneficial scenario for the year 2050 had 19.5% lower primary energy demand, 38.4% lower total socio-economic costs and 41.5% lower CO2 emissions compared to the business-as-usual scenario for the year 2050, although significant investment in the district cooling grid was included in the calculations.
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- 2017
8. Zero carbon energy system of South East Europe in 2050
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Dominković, D.F., primary, Bačeković, I., additional, Ćosić, B., additional, Krajačić, G., additional, Pukšec, T., additional, Duić, N., additional, and Markovska, N., additional
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- 2016
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9. Improving sustainability development in energy planning and optimisation
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Nemet, A., Klemeš, J. J., Duić, N., Yan, Jinyue, Nemet, A., Klemeš, J. J., Duić, N., and Yan, Jinyue
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This special issue of Applied Energy contains articles developed from initial ideas related to the 10th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES) held in Dubrovnik, Croatia during September 27 - October 2, 2015. The main focus of the event is the sustainability development joining all required areas for achieving as improving the knowledge on method, policies and technologies as well as dissemination of the results. Overall, 64 extended manuscripts have been invited as candidate articles. After a thorough review procedure, 23 articles have been selected to be published. The topics attained in the focus of this Special Issue include Integration, Optimisation and Analysis of energy systems as well as dissemination of the developed methodology and results obtained.
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- 2016
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10. Zero carbon energy system of South East Europe in 2050
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Dominkovic, Dominik Franjo, Bačeković, I., Ćosić, B., Krajačić, G., Pukšec, T., Duić, N., Markovska, N., Dominkovic, Dominik Franjo, Bačeković, I., Ćosić, B., Krajačić, G., Pukšec, T., Duić, N., and Markovska, N.
- Abstract
South East Europe is the region in a part of Europe with approximately 65.5 million inhabitants, making up 8.9% of Europe's total population. The countries concerned have distinct geographical features, various climates and significant differences in gross domestic product per capita, so the integration of their energy systems is considered to be a challenging task. Large differences between energy mixes, still largely dominated by fossil-fuel consumption, make this task even more demanding.This paper presents the transition steps to a 100% renewable energy system which need to be carried out until the year 2050 in order to achieve zero carbon energy society. Novelty of this paper compared to other papers with similar research goals is the assumed sustainable use of biomass in the 100% renewable energy system of the region considered. It is important to emphasize here that only the sustainable use of biomass can be considered carbon-neutral. The resulting biomass consumption of the model was 725.94. PJ for the entire region, which is in line with the biomass potential of the region. Modelling the zero-carbon energy system was carried out using the smart energy system concept, together with its main integration pillars, i.e. power-to-heat and power-to-gas technologies. The resulting power generation mix shows that a wide variety of energy sources need to be utilized and no single energy source has more than a 30% share, which also increases the security of supply. Wind turbines and photovoltaics are the main technologies with shares of 28.9% and 22.5%, followed by hydro power, concentrated solar power, biomass (mainly used in cogeneration units) and geothermal energy sources. To keep the biomass consumption within the sustainability limits, there is a need for some type of synthetic fuel in the transportation sector. Nevertheless, achieving 100% renewable energy system also promises to be financially beneficial, as the total calculated annual socio-economic cost of t
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- 2016
11. Optimization of a wind powered desalination and pumped hydro storage system
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Segurado, R., primary, Madeira, J.F.A., additional, Costa, M., additional, Duić, N., additional, and Carvalho, M.G., additional
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- 2016
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12. Smart Energy Storages for Integration of Renewables in 100% Independent Energy Systems
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Krajačić, G., Duić, N., Brian Vad Mathiesen, Da Graça Carvalho, M., J. Klemeš, Jirí, Loong Lam, Hon, and S. Varbanov, Petar
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lcsh:Computer engineering. Computer hardware ,Energy storage ,Renewable energy sources ,Energy planning ,Energy system ,H2RES ,EnergyPlan ,Energy Storage ,Energy System ,Renewable Energy ,ComputingMethodologies_DOCUMENTANDTEXTPROCESSING ,lcsh:TP155-156 ,lcsh:TK7885-7895 ,lcsh:Chemical engineering ,ComputingMilieux_MISCELLANEOUS ,ComputingMethodologies_COMPUTERGRAPHICS - Abstract
Primary energy import dependence of the European Union is currently around 53%, and it is expected that in the next 20-30 years it will reach or surpass 70%. The situation in Croatia is similar. In 2007 import dependence was 53.1%, while for 2030 it is predicted to reach 72%. Such import dependence leads to decreased security of energy supply, due to current geopolitical situation in which main sources of fossil fuels are in unstable regions and in which the competition for those resources from developing countries is growing. EU energy strategy, and a compatible Croatian strategy, is focused on policies and measures that will bring increase of share of renewable and distributed energy sources, increase in energy efficiency and energy savings and decrease in green house gas emissions. The results of previous research has shown that in order to increase efficiency and viability, there is need for energy storage, in the primary or secondary form, in order to transfer energy surplus form period of excess to the period when there is a lack. The problem of storage systems is that they increase the cost of already expensive distributed and renewable energy sources, making them, in market circumstances, even less economically viable. Although there are a number of storage technologies, as chemical, potential or heat energy, not all those technologies are optimal for each energy system. The paper shows results of energy planning and several cases where use of smart energy storage system could help with integration of the energy flows, the transformations and energy demand at the location of the energy end- use or close to it. Primary energy import dependence of the European Union is currently around 53%, and it is expected that in the next 20-30 years it will reach or surpass 70%. The situation in Croatia is similar. In 2007 import dependence was 53.1%, while for 2030 it is predicted to reach 72%. Such import dependence leads to decreased security of energy supply, due to current geopolitical situation in which main sources of fossil fuels are in unstable regions and in which the competition for those resources from developing countries is growing. EU energy strategy, and a compatible Croatian strategy, is focused on policies and measures that will bring increase of share of renewable and distributed energy sources, increase in energy efficiency and energy savings and decrease in green house gas emissions. The results of previous research has shown that in order to increase efficiency and viability, there is need for energy storage, in the primary or secondary form, in order to transfer energy surplus form period of excess to the period when there is a lack. The problem of storage systems is that they increase the cost of already expensive distributed and renewable energy sources, making them, in market circumstances, even less economically viable. Although there are a number of storage technologies, as chemical, potential or heat energy, not all those technologies are optimal for each energy system. The paper shows results of energy planning and several cases where use of smart energy storage system could help with integration of the energy flows, the transformations and energy demand at the location of the energy end- use or close to it.
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- 2010
13. Sustainable development of energy, water and environment systems
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Markovska, N., Klemeš, J. J., Duić, N., Guzović, Z., Vad Mathiesen, B., Lund, H., Yan, Jinyue, Markovska, N., Klemeš, J. J., Duić, N., Guzović, Z., Vad Mathiesen, B., Lund, H., and Yan, Jinyue
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- 2014
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14. Modelling of a solid fuel combustion chamber of a ramjet using a multi-block domain decomposition technique
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Coelho, P.J, Duic, N, Lemos, C, and Carvalho, M.G
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- 1998
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15. Paving the way for the Paris Agreement:Contributions of SDEWES science
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Zvonimir Guzović, Neven Duić, Antonio Piacentino, Natasa Markovska, Brian Vad Mathiesen, Henrik Lund, Guzović, Z., Duić, N., Piacentino, A., Markovska, N., Mathiesen, B.V., and Lund, H.
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Low-energy buildings ,Mechanical Engineering ,Energy system analysis, Renewable energy sources, District heating, Low-energy buildings, Electrification of transport, Water-energy nexus ,Energy System Analysis ,Renewable Energy Sources ,Building and Construction ,Pollution ,Industrial and Manufacturing Engineering ,General Energy ,Water-energy nexus ,electrification of transport ,Energy system analysis ,Renewable energy sources ,District heating ,Electrification of transport ,Settore ING-IND/10 - Fisica Tecnica Industriale ,District Heating ,Electrical and Electronic Engineering ,Civil and Structural Engineering - Abstract
Today, coal is responsible for 40% of annual CO2 emissions. At the same time, global warming causes climate changes accompanied with catastrophic meteorological phenomena all over the world. After the 2015 Paris Agriment many countries set ambitious energy policy to reduce the annual greenhouse gas emission. The 2021 UN Climate Change Conference, COP26 - Glasgow, ended with the adoption of a less stringent resolution than some anticipated: countries only agreed to “phase down” rather than “phase out” coal. Is possible the realization of the Paris Agreement after COP-26? For achieving this ambitious targets in such conditions, the support of the multi-disciplinary scientific knowledge is needed. Since 2002 a series of SDEWES Conferences were founded. This paper presents an overview of published researches in special issues of leading journals dedicated to the series SDEWES Conferences, including also the papers in current special issue presented on Conferences held in 2020: 2nd LA SDEWES Conference - Buenos Aires, 1st AP SDEWES Conference - Gold Coast, 4th SEE SDEWES Conference - Sarajevo and 15th SDEWES Conference - Cologne. The focus is on five main fields: (1) energy system analysis ; (2) energy savings in the building sector ; (3) district heating ; (4) electrification of transport and (5) water-energy nexus. Undoubtedly, the researches presented in this special issue as well as in previous ones, will contribute to the achievement of the goals of the Paris Agreement in difficult conditions after COP26.
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- 2023
16. Influence of Solidification Rate on the Nodule Degeneration in Ductile Iron
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Tubić Bulat, Barbara, Zovko Brodarac, Zdenka, Jokić, A., Ivanić, I., Bauer, B., Degiuli, N., Duić, N., Hegedić, M., Landek, D., Lulić, Z., Matijević, B., Parunov, J., Runje, B., Tonković, Z., and Terze, Z.
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ductile iron, graphite growth, solidification rate, wall thickness - Abstract
Characteristic nodular form of graphite in ductile irons is achieved by inoculation and nodulation with magnesium and rare earth elements addition to the melt before or during pouring process. This contributes to the improvement of properties such as castability, strength and toughness of ductile iron. The properties of ductile iron are mainly influenced by alloying elements, casting technology, wall thickness and solidification rate which can affect the shape of graphite and metal matrix transformation. Graphite form in ductile irons is controlled by the growth through eutectic solidification till the eutectoid transformation temperature. Graphite nodule degeneration occurs in thick-walled castings due to the carbon diffusion on graphite nodules during slow cooling. In order to ensure required properties of ductile iron the focus of investigation will be on the mechanism of graphite growth, solidification and degeneration under different solidification conditions.
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- 2021
17. The effect of spatial resolution on outcomes from energy systems modelling of heat decarbonisation
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Adam Hawkes, Francisca Jalil-Vega, Duić, N, and Natural Environment Research Council (NERC)
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Heat decarbonisation, spatial resolution, energy systems model, heat infrastructure ,020209 energy ,Heat supply ,02 engineering and technology ,010501 environmental sciences ,0915 Interdisciplinary Engineering ,01 natural sciences ,Industrial and Manufacturing Engineering ,Heat density ,0202 electrical engineering, electronic engineering, information engineering ,Range (statistics) ,Electrical and Electronic Engineering ,Image resolution ,0105 earth and related environmental sciences ,Civil and Structural Engineering ,Remote sensing ,Energy ,Mechanical Engineering ,Building and Construction ,Pollution ,Network planning and design ,General Energy ,Optimal allocation ,Environmental science ,Energy (signal processing) ,0913 Mechanical Engineering - Abstract
Spatial resolution is often cited as a crucial determinant of results from energy systems models. However, there is no study that comprehensively analyses the effect of spatial resolution. This paper addresses this gap by applying the Heat Infrastructure and Technology heat decarbonisation optimisation model in six UK Local Authorities representing a range of rural/urban areas, at three levels of spatial resolution, in order to systematically compare results. Results show the importance of spatial resolution for optimal allocation of heat supply technologies and infrastructure across different urban/rural areas. Firstly, for the studied cases, differences of up to 30% in heat network uptake were observed when comparing results between different resolutions for a given area. Secondly, for areas that generally exhibit the high and low extremes of linear heat density, results are less dependent on spatial resolution. Also, spatial resolution effects are more significant when there is higher variability of linear heat density throughout zones. Finally, results show that it is important to use finer resolutions when using optimisation models to inform detailed network planning and expansion. Higher spatial resolutions provide more detailed information on zones that act as anchors that can seed network growth and on location of network supply technologies.
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- 2018
18. A new preprocessing tool of ECMWF data for CALMET forecasting simulations
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MARTORANA, Francesca, G. Agnello, M. Giardina, P. Buffa, M. Beccali, Ban, M, Duić, N, Schneider, DR, Guzović, Z, Buonomano, A, Calise, F, Cantore, N, Chacartegui, R, Costa, M, Dominik-Franjo Dominković Ayman Elshkaki Valerie Eveloy Yee Van Fan Anna Grobelak Milana Guteša Božo Malgorzata Kacprzak Soteris Kalogirou Jiří Jaromír Klemeš Ankica Kovač Goran Krajačić Ting Ma Henrik Madsen Carolin Märker Henning Meschede Hrvoje Mikulčić Marco Noro Adolfo Palombo Antonio Piacentino Miroslav Premrov Alessandro Romagnoli Martin Schiemann Holger Schlör Ivo Šlaus Agustin Valera-Medina Laura Vanoli Petar Sabev Varbanov Sandra Venghaus Giulio Vialetto Milan Vujanović Qiuwang Wang Jian Yang Aleksander Zidanšek Vesna Žegarac Leskovar, and F. Martorana, G. Agnello, M. Giardina, P. Buffa, M. Beccali
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Air pollution, forecast meteorological data, ECMWF, CALMET, CALPUFF - Abstract
Today, strategies for emergency preparedness, in presence of accidental scenarios in high-risk plants with releases into the atmosphere, have become a priority. To achieve this goal, it is important to have forecast meteorological data in local areas to use in dispersion and transport models and so to respond in advance emergency situations. The paper reports results of research performed to develop a new tool, called FORCALM that is capable to elaborate European Centre for Medium-Range Forecasts (ECMWF) forecast data to use for simulations by CALMET/CALPUFF modeling system. A case study, relevant to an accident occurred in Mediterranean Refinery at Milazzo (Italy), has been examined to validate the procedure and the capacity to evaluate the transport and depositions pollutant in terms of forecast information. The results were compared with those obtained using CALMET/CALPUFF simulations based on measured meteorological, covering the area under study.
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- 2019
19. The interaction between intermittent renewable energy and the electricity, heating and transport sectors
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Zvonimir Guzović, Gianfranco Rizzo, Neven Duić, Brian Vad Mathiesen, Ingo Stadler, Mathiesen, B V, Duić, N, Stadler, I, Rizzo, G, and Guzović, Z
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Settore ING-IND/11 - Fisica Tecnica Ambientale ,business.industry ,Natural resource economics ,Mechanical Engineering ,Environmental impact of the energy industry ,Building and Construction ,sustainable development, energy efficient vehicles, renewable energy systems, district heating, energy saving ,Pollution ,Energy engineering ,Industrial and Manufacturing Engineering ,Renewable energy ,Microeconomics ,General Energy ,Renewable energy credit ,Energy development ,renewable energy ,electricity ,heating ,transport sectors ,Energy intensity ,Intermittent energy source ,Economics ,Electrical and Electronic Engineering ,business ,Feed-in tariff ,Civil and Structural Engineering - Abstract
In a global perspective, it is essential that the world transfers from fossil fuels to renewable energy sources in order to minimise climate change effects. As a part of such transition energy savings are also important, as they can decrease production costs effectively. The nature of such a change is that it has to be implemented on a local level. Energy saving technologies are placed with the demand decrease and renewable energy is typically distributed where the resources are. In some parts of the world, energy savings have resulted in a stabilisation of the energy demands, however in the world as such, demands are still increasing in buildings, transport and industry. Although the demand has increased approx. 32% overall, the share of renewable energy has increased from 12.7% in 1990 to 13% in 2010, in this way demonstrating that renewables can effectively cope with the world energy requirements – even in a context characterized by a continuously increasing demand. Even in the current financial crisis, renewable energy is expanding heavily . The most used renewable energy is biomass; however there has been a significant increase in wind power and in photovoltaic in the last ten years. Such development in the intermittent renewable energy sources requires knowledge about the interaction between supply and demand sides of energy. At the 6th Dubrovnik Conference on Sustainable Development of Energy, Water and Environmental Systems, September 25–29 2011, in Dubrovnik, Croatia, these issues were addressed among others. The conference was dedicated to research concerning methods, policies and technologies for increasing the sustainable development as well as methods for assessing and measuring sustainability of development, regarding energy, transport, water and environment systems and their many combinations. At the conference 418 scientists from 55 countries representing six continents participated. In this Special Issue the interaction between sectors and renewable energy systems through selected papers from this conference is addressed from a range of technical system analyses to environmental and economic feasibility.
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- 2012
20. Climate change adoption for sustainable economic development.
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Mikulčić H, Duić N, and Dewil R
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Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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- 2024
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21. Climate crisis and recent developments in bio-based restoration of ecosystems.
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Mikulčić H, Wang X, Duić N, and Dewil R
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- Sustainable Development, Climate, Water, Conservation of Natural Resources, Ecosystem
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Over the years, due to the climate crisis, sustainable economic growth and biodiversity protection have been increasingly promoted. Scientists, researchers, and experts in the field of sustainable development highlighted that bio-based restoration of ecosystems and responsible management of existing resources are needed to meet the needs of future generations. This paper discusses some of the latest developments in three main areas of sustainability, i.e., energy, water and environment, that emerged from the "16th Sustainable Development of Energy, Water and Environment Systems Conference - SDEWES 2021". The purpose of this introduction article is to briefly review the articles included in this Virtual Special Issue. As such, it acts as an editorial paper for the virtual special issue of the Journal of Environmental Management, dedicated to the SDEWES 2021 conference., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Ltd. All rights reserved.)
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- 2023
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22. Sustainable development in period of climate crisis.
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Mikulčić H, Baleta J, Wang X, Duić N, and Dewil R
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- Conservation of Natural Resources, Water, Climate Change, Sustainable Development
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The ongoing process of climate change has shown that sustainable development of humankind is a necessity. Existing resources need to be used in a form of a circular economy, and no more in a linear economy as has been the case until now. Resources need to be better managed to meet the needs of future generations. Therefore, energy, water and environment systems need to be integrated in order to slow down their overexploitation. This paper discusses some of the latest developments in three main areas of sustainability, i.e., energy, water and environment, that emerged from the four "Sustainable Development of Energy, Water and Environment Systems" (SDEWES) Conferences that took place in 2020. The purpose of this review introduction article is to provide a brief introduction to the field and the articles included in this Virtual Special Issue. As such, it acts as an editorial paper for the virtual special issue of the Journal of Environmental Management, dedicated to the SDEWES 2020 conferences., (Copyright © 2021 Elsevier Ltd. All rights reserved.)
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- 2022
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23. Sustainability of energy, water, and environmental systems: a view of recent advances: Special issue dedicated to 2021 conference on sustainable development of energy, water, and environment systems.
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Miškić J, Pukšec T, and Duić N
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This paper presents an overview for the Special Issue (SI) of Clean Technology and Environmental Policy journal (CTEP), and it includes accepted papers from 16th Conferences on Sustainable Development of Energy, Water and Environment Systems (SDEWES) held from October 10-15, 2021, in Dubrovnik, Croatia. Considering CTEPs policy of high-quality research papers, guest editors have invited 35 research articles, presented at the SDEWES 2021 conference. After a vigorous review process, 12 papers have been accepted for publication in this special issue. All 12 accepted papers are briefly presented in this overview together with a wider view that presents research efforts within the SDEWES community published through previous SDEWES special issues., Competing Interests: Competing interestsThe authors declare no competing interests.Conflict of InterestsThe authors have not disclosed any competing interests., (© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022, Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.)
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- 2022
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24. Green development challenges within the environmental management framework.
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Mikulčić H, Baleta J, Wang X, Duić N, and Dewil R
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- Conservation of Natural Resources, Sustainable Development, Water
- Abstract
Green development of energy, water and environment systems is essential as these three systems represent the basic life needs of humankind. Therefore, environmental problems arising from each of these three systems need to be carefully addressed to preserve the energy, water and environment resources for future generations. This paper discusses some of the latest developments in three main areas of sustainability themes, namely energy, water and environment, that emerged from the 14th Sustainable Development of Energy, Water and Environment Systems (SDEWES) Conference held in 2019. As such, it acts as an editorial paper for the virtual special issue of the Journal of Environmental Management, dedicated to the SDEWES 2019 conference., (Copyright © 2020 Elsevier Ltd. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
25. Advanced methods and technologies towards environmental sustainability.
- Author
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Jia X and Duić N
- Published
- 2021
- Full Text
- View/download PDF
26. Environmental problems arising from the sustainable development of energy, water and environment system.
- Author
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Mikulčić H, Wang X, Duić N, and Dewil R
- Subjects
- Water, Conservation of Natural Resources, Sustainable Development
- Abstract
Integration of energy, water and environment systems is essential in the multidisciplinary concept of sustainable development, as they represent the basic life needs of mankind. Therefore, problems arising from the sustainable development concept need to be carefully addressed to preserve the energy, water and environment resources for future generations. This article discusses some of the latest developments in three main areas of sustainability themes, namely energy, water and environment, that emerged from three Sustainable Development of Energy, Water and Environment Systems (SDEWES) conferences held in 2018. As such, it acts as an editorial paper for the virtual special issue of the Journal of Environmental Management, dedicated to the SDEWES2018 conferences., (Copyright © 2019 Elsevier Ltd. All rights reserved.)
- Published
- 2020
- Full Text
- View/download PDF
27. Experimental analysis of waste polyurethane from household appliances and its utilization possibilities.
- Author
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Stančin H, Růžičková J, Mikulčić H, Raclavská H, Kucbel M, Wang X, and Duić N
- Subjects
- Gas Chromatography-Mass Spectrometry, Temperature, Waste Products, Polycyclic Aromatic Hydrocarbons, Polyurethanes
- Abstract
Polyurethane has a good insulation characteristic, and it is widely used as an insulation and lining material for refrigerators. Nevertheless, at the end of a product's lifetime, serious problems arise related to waste management. Recently, energy recovery has been marked as a promising solution, especially, waste-to-energy applications. To find an appropriate application for such waste, a thermal analysis was performed. An experimental analysis of polyurethane (PU) waste material was performed by the method of pyrolysis gas chromatography with mass spectrometric detection (Py-GC/MS) at various pyrolytic temperatures, namely, at 500, 600 and 700 °C. Waste polyurethane foam was conducted to investigations in the form of a bulk sample and sorted grain-size samples with a goal to detect the chemical composition of the pyrolysate. The investigation revealed various groups of organic compounds such as heterocyclic compounds of nitrogen and simple and polycyclic aromatic hydrocarbons, while notable concentrations of compounds containing chlorine were detected as well. The experimental analysis found differences in the composition of amines and other compounds and in the dependence on grain size composition. Bulk samples produced the highest concentration of amines (˃ 40%) at a temperature of 500 °C. The sample homogenization led to a significant increase in amines production. Polyurethane waste of grain size from 0.125 to 0.25 mm contained approximately 80% amines. The pyrolysis of the bulk sample at 600 °C yielded only 24% nitrogen heterocyclic compounds, while from the sorted grain-size <0.045 mm and 0.045-0.063 mm, yields were increased to 47.4 and 45.7%, respectively., (Copyright © 2019 Elsevier Ltd. All rights reserved.)
- Published
- 2019
- Full Text
- View/download PDF
28. Troubleshooting the problems arising from sustainable development.
- Author
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Mikulčić H, Duić N, Schlör H, and Dewil R
- Subjects
- Humans, Conservation of Natural Resources, Sustainable Development
- Abstract
Sustainable development as a concept of societal development encompasses some problems that need to be addressed carefully. They relate to overcoming the technical limits of individual systems, reducing environmental impact, social inclusion, green economic progress involving all stakeholders, limiting the impact of human activities, etc. Over the past few years, as a result of the increasingly pronounced climate change, more and more studies are addressing these problems and stress the importance of sustainable development. The key to sustainable development are, therefore, the solutions to the problems currently encountered by various stakeholders, that together contribute to the preservation of the environment for future generations. This is no longer based on the goodwill of individuals, but has become the responsibility of the entire generation. This article presents some examples of the solutions for the problems arising from sustainable development and is an overview of recent scientific achievements in the field of sustainable development that emerged from recent Sustainable Development of Energy, Water and Environment Systems (SDEWES) conferences. As such, it acts as an editorial paper for the virtual special issue of the Journal of Environmental Management, that is dedicated to the SDEWES2017 conference., (Copyright © 2018 Elsevier Ltd. All rights reserved.)
- Published
- 2019
- Full Text
- View/download PDF
29. Low NO x combustion and SCR flow field optimization in a low volatile coal fired boiler.
- Author
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Liu X, Tan H, Wang Y, Yang F, Mikulčić H, Vujanović M, and Duić N
- Subjects
- Catalysis, Hot Temperature, Air Pollutants, Coal, Power Plants
- Abstract
Low NO
x burner redesign and deep air staging have been carried out to optimize the poor ignition and reduce the NOx emissions in a low volatile coal fired 330 MWe boiler. Residual swirling flow in the tangentially-fired furnace caused flue gas velocity deviations at furnace exit, leading to flow field unevenness in the SCR (selective catalytic reduction) system and poor denitrification efficiency. Numerical simulations on the velocity field in the SCR system were carried out to determine the optimal flow deflector arrangement to improve flow field uniformity of SCR system. Full-scale experiment was performed to investigate the effect of low NOx combustion and SCR flow field optimization. Compared with the results before the optimization, the NOx emissions at furnace exit decreased from 550 to 650 mg/Nm³ to 330-430 mg/Nm³. The sample standard deviation of the NOx emissions at the outlet section of SCR decreased from 34.8 mg/Nm³ to 7.8 mg/Nm³. The consumption of liquid ammonia reduced from 150 to 200 kg/h to 100-150 kg/h after optimization., (Copyright © 2018. Published by Elsevier Ltd.)- Published
- 2018
- Full Text
- View/download PDF
30. A kinetic study on the catalysis of KCl, K 2 SO 4 , and K 2 CO 3 during oxy-biomass combustion.
- Author
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Deng S, Wang X, Zhang J, Liu Z, Mikulčić H, Vujanović M, Tan H, and Duić N
- Subjects
- Biomass, Catalysis, Kinetics, Carbonates, Potassium
- Abstract
Biomass combustion under the oxy-fuel conditions (Oxy-biomass combustion) is one of the approaches achieving negative CO
2 emissions. KCl, K2 CO3 and K2 SO4 , as the major potassium species in biomass ash, can catalytically affect biomass combustion. In this paper, the catalysis of the representative potassium salts on oxy-biomass combustion was studied using a thermogravimetric analyzer (TGA). Effects of potassium salt types (KCl, K2 CO3 and K2 SO4 ), loading concentrations (0, 1, 3, 5, 8 wt%), replacing N2 by CO2 , and O2 concentrations (5, 20, 30 vol%) on the catalysis degree were discussed. The comparison between TG-DTG curves of biomass combustion before and after water washing in both the 20%O2 /80%N2 and 20%O2 /80%CO2 atmospheres indicates that the water-soluble minerals in biomass play a role in promoting the devolatilization and accelerating the char-oxidation; and the replacement of N2 by CO2 inhibits the devolatilization and char-oxidation processes during oxy-biomass combustion. In the devolatilization stage, the catalysis degree of potassium monotonously increases with the increase of potassium salt loaded concentration. The catalysis degree order of the studied potassium salts is K2 CO3 > KCl > K2 SO4 . In the char-oxidation stage, with the increase of loading concentration the three kinds of potassium salts present inconsistent change tendencies of the catalysis degree. In the studied loading concentrations from 0 to 8 wt%, there is an optimal loading concentration for KCl and K2 CO3 , at 3 and 5 wt%, respectively; while for K2 SO4 , the catalysis degree on char-oxidation monotonically increases with the loading potassium concentration. For most studied conditions, regardless of the potassium salt types or the loading concentrations or the combustion stages, the catalysis degree in the O2 /CO2 atmosphere is stronger than that in the O2 /N2 atmosphere. The catalysis degree is also affected by the O2 concentrations, and the lowest catalysis degree is generally around 20 vol% O2 concentration. The kinetic parameters under the different studied conditions are finally obtained., (Copyright © 2018 Elsevier Ltd. All rights reserved.)- Published
- 2018
- Full Text
- View/download PDF
31. Numerical modelling of emissions of nitrogen oxides in solid fuel combustion.
- Author
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Bešenić T, Mikulčić H, Vujanović M, and Duić N
- Subjects
- Coal, Humans, Incineration, Models, Statistical, Nitrogen, Ozone, Air Pollutants analysis, Fossil Fuels, Nitrogen Oxides analysis
- Abstract
Among the combustion products, nitrogen oxides are one of the main contributors to a negative impact on the environment, participating in harmful processes such as tropospheric ozone and acid rains production. The main source of emissions of nitrogen oxides is the human combustion of fossil fuels. Their formation models are investigated and implemented with the goal of obtaining a tool for studying the nitrogen-containing pollutant production. In this work, numerical simulation of solid fuel combustion was carried out on a three-dimensional model of a drop tube furnace by using the commercial software FIRE. It was used for simulating turbulent fluid flow and temperature field, concentrations of the reactants and products, as well as the fluid-particles interaction by numerically solving the integro-differential equations describing these processes. Chemical reactions mechanisms for the formation of nitrogen oxides were implemented by the user functions. To achieve reasonable calculation times for running the simulations, as well as efficient coupling with the turbulent mixing process, the nitrogen scheme is limited to sufficiently few homogeneous reactions and species. Turbulent fluctuations that affect the reaction rates of nitrogen oxides' concentration are modelled by probability density function approach. Results of the implemented model for nitrogen oxides' formation from coal and biomass are compared to the experimental data. Temperature, burnout and nitrogen oxides' concentration profiles are compared, showing satisfactory agreement. The new model allows the simulation of pollutant formation in the real-world applications., (Copyright © 2018 Elsevier Ltd. All rights reserved.)
- Published
- 2018
- Full Text
- View/download PDF
32. Environmental management as a pillar for sustainable development.
- Author
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Mikulčić H, Duić N, and Dewil R
- Subjects
- Environment, Humans, Conservation of Natural Resources
- Abstract
There is a growing concern about how to minimize the impact of human activities on the environment. Already nowadays, in some places adaptation efforts are needed in order to avoid the irreversibility of negative human activities. Due to climate changes, and corresponding environmental and social changes, there is a great need for a more sustainable development of mankind. Over the years, research studies that analyzed the sustainable development of different communities with a multi-disciplinary approach, stressed the necessity of preserving the environment for next generations. Therefore, responsible and conscientious management of the environment is a pillar of the sustainable development concept. This review introduction article provides an overview of the recent top scientific publications related to sustainable development that mostly originated from previous SDEWES conferences., (Copyright © 2017 Elsevier Ltd. All rights reserved.)
- Published
- 2017
- Full Text
- View/download PDF
33. Numerical analysis of ammonia homogenization for selective catalytic reduction application.
- Author
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Baleta J, Martinjak M, Vujanović M, Pachler K, Wang J, and Duić N
- Subjects
- Catalysis, Oxidation-Reduction, Ammonia chemistry, Gases analysis, Urea chemistry, Vehicle Emissions analysis, Water chemistry
- Abstract
Selective catalytic reduction based on urea water solution as ammonia precursor is a promising method for the NO
x abatement form exhaust gasses of mobile diesel engine units. It consists of injecting the urea-water solution in the hot flue gas stream and reaction of its products with the NOx over the catalyst surface. During this process flue gas enthalpy is used for the urea-water droplet heating and for the evaporation of water content. After water evaporates, thermolysis of urea occurs, during which ammonia, a known NOx reductant, and isocyanic acid are generated. The uniformity of the ammonia before the catalyst as well as ammonia slip to the environment are important counteracting design requirements, optimization of which is crucial for development of efficient deNOx systems. The aim of this paper is to show capabilities of the developed mathematical framework implemented in the commercial CFD code AVL FIRE® , to simulate physical processes of all relevant phenomena occurring during the SCR process including chemical reactions taking part in the catalyst. First, mathematical models for description of SCR process are presented and afterwards, models are used on the 3D geometry of a real SCR reactor in order to predict ammonia generation, NOx reduction and resulting ammonia slip. Influence of the injection direction and droplet sizes was also investigated on the same geometry. The performed study indicates importance of droplet sizes on the SCR process and shows that counterflow injection is beneficial, especially in terms of minimizing harmful ammonia slip to environment., (Copyright © 2017 Elsevier Ltd. All rights reserved.)- Published
- 2017
- Full Text
- View/download PDF
34. Modelling pollutant emissions in diesel engines, influence of biofuel on pollutant formation.
- Author
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Petranović Z, Bešenić T, Vujanović M, and Duić N
- Subjects
- Biofuels analysis, Gasoline analysis, Nitric Oxide chemistry, Nitrogen Oxides chemistry, Vehicle Emissions analysis
- Abstract
In order to reduce the harmful effect on the environment, European Union allowed using the biofuel blends as fuel for the internal combustion engines. Experimental studies have been carried on, dealing with the biodiesel influence on the emission concentrations, showing inconclusive results. In this paper numerical model for pollutant prediction in internal combustion engines is presented. It describes the processes leading towards the pollutant emissions, such as spray particles model, fuel disintegration and evaporation model, combustion and the chemical model for pollutant formation. Presented numerical model, implemented in proprietary software FIRE
® , is able to capture chemical phenomena and to predict pollutant emission concentration trends. Using the presented model, numerical simulations of the diesel fuelled internal combustion engine have been performed, with the results validated against the experimental data. Additionally, biodiesel has been used as fuel and the levels of pollutant emissions have been compared to the diesel case. Results have shown that the biodiesel blends release lower nitrogen oxide emissions than the engines powered with the regular diesel., (Copyright © 2017 Elsevier Ltd. All rights reserved.)- Published
- 2017
- Full Text
- View/download PDF
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