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3 results on '"Campana, Pietro Elia"'

2. An economic analysis of photovoltaic water pumping irrigation systems.

Author

Campana, Pietro Elia, Olsson, Alexander, Li, Hailong, and Yan, Jinyue

Subjects
PHOTOVOLTAIC cells, WATER pumps, IRRIGATION, DESERTIFICATION, CARBON sequestration, SUSTAINABLE development, CAPITAL costs, ECONOMIC research
Abstract

Irrigation using the photovoltaic water pumping (PVWP) systems represents a sustainable and attractive solution, which can combat Chinese grassland desertification and promote a sustainable development of the agricultural sector. This paper investigates the economics of PVWP systems taking into consideration the effects of the key components on the initial capital cost (ICC), life cycle cost (LCC), and revenues. Sensitivity analyses are conducted regarding the crop yield and price, cost of photovoltaic modules, and system components included in the ICC. Results show that the cost of the PVWP system is the most sensitive parameter affecting the ICC under the assumptions made, especially the cost of the PV modules; whereas, the crop production and price affect the net present value (NPV) and payback period (PBP) clearly. The PVWP has surplus power output when the crop water demand is low or it is non-irrigation season. The potential benefit from selling the surplus electricity is also discussed. In addition, the indirect benefits of carbon sequestration and CO2emission reduction by applying PVWP systems are addressed in this paper. [ABSTRACT FROM AUTHOR]

Published
2016
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3. Interaction relationship between urban domestic energy consumption and water use - a case study of Beijing and Shanghai.

Author

Silan Chen, Jiahong Liu, Hao Wang, Jinyue Yan, Campana, Pietro Elia, and Jun Zhang

Subjects
WATER use, ENERGY consumption, WATER supply, STATISTICAL correlation, URBANIZATION
Abstract

Energy consumption and water use are inextricably linked. Combining research on energy consumption and water use in an urban context provides a scientific basis for the integrated planning of energy and water supply systems. Domestic energy and water are among the most consumed resources in urban environments. Furthermore, domestic resources represent an increasing proportion of the total resources consumed. This paper explores four key indicators of urban energy consumption (UEC) and water use in Beijing and Shanghai for the period of 2000 to 2011. Using correlation analysis, this study establishes the intrinsic relationship between UEC and water use. It also offers an analysis of the consumption trends of these two resources as well as their interactive relationship. The results show that urban domestic energy consumption (UDEC) and water use have a significant linear correlation: UDEC is positively correlated with water use, and the correlation coefficients of Beijing and Shanghai are 0.81 and 0.97, respectively. In Beijing, urban domestic energy and water use per capita are negatively correlated, with the high correlation coefficient of 0.93. In Shanghai, urban domestic energy and water use per capita are positively correlated, with the correlation coefficient of 0.90. [ABSTRACT FROM AUTHOR]

Published
2016
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