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3 results on '"Lingaitis, Leonas Povilas"'

1. THE ECONOMIC EFFECT OF USING BIOLOGICAL DIESEL OIL ON RAILWAY TRANSPORT.

Author

Lingaitis, Leonas Povilas and Pukalskas, Saugirdas

Subjects
*DIESEL fuels, *RAILROADS, *DIESEL locomotives, *RAPESEED oil, *BIODIESEL fuels, *MONETARY incentives, *ECONOMICS
Abstract

The tests performed by the authors have shown that diesel locomotive engines efficiently operate using a mixture of diesel oil and about 40% of rapeseed oil methyl ester (RME) while their ecological and economical parameters do not differ much from those of the locomotives operating on pure diesel oil. When biodiesel is used, the pollutants released into the atmosphere by an engine are less harmful. Therefore, the respective laws of the Republic of Lithuania provide for some financial incentives and allowances to transport enterprises using biological diesel oil. The paper presents a mathematical model for determining the expenses associated with the use of biological diesel oil. [ABSTRACT FROM AUTHOR]

Published
2008
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2. INVESTIGATING THE DYNAMICS OF PASSENGER ROLLING STOCK DETERIORATION.

Author

Vaičiūnas, Gediminas and Lingaitis, Leonas Povilas

Subjects
*ROLLING stock, *MAINTENANCE costs, *LOCOMOTIVE fuel consumption
Abstract

One of the major economic criteria is associated with the growth of maintenance costs of old rail vehicles. The research aims to determine the ageing criteria of passenger rolling stock, which could take into account fuel, diesel oil and repair costs. Therefore, economic criteria based on the above costs are generated and their comparative analysis is made. The research object is Vilnius locomotive depot. [ABSTRACT FROM AUTHOR]

Published
2008
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3. Comparative analysis of freight diesel locomotives' fuel consumption

Author

Mickevič, Edgar, Vaičiūnas, Gediminas, Subačius, Rimantas, Griškevičienė, Daiva, Bureika, Gintautas, Lingaitis, Leonas Povilas, Juraška, Mindaugas, and Vilnius Gediminas Technical University

Subjects
Transport Engineering, Degalų sąnaudos, Prekinis šilumvežis, Remotorizacija, Remotorization, Fuel expenditure, Goods heat-engine, Modernizacija, Modernization
Abstract

Baigiamajame darbe išanalizuotas AB „Lietuvos geležinkeliai“ prekinių šilumvežių parkas. Išnagrinėti parko modernizacijos projektai. Atlikta prekinių šilumvežių dyzelinių degalų sąnaudų pasirinktame geležinkelio ruože lyginamoji analizė. Atlikta ekonominė analizė, nustatytas modernizuotų, remotorizuotų 2M62 serijos šilumvežių bei naujų SIEMENS ER20 CF prekinių šilumvežių ekonominis efektas pagal sutaupytą degalų kiekį, lyginant su 2M62 šilumvežiais, turinčiais 14D40 variklį. Nustatytas 2M62 serijos šilumvežių modernizacijos, remotorizacijos bei naujo SIEMENS ER20 CF atsipirkimo laikas pagal sutaupytą degalų kiekį ir kitas eksploatacines sąnaudas. Pateikta prekinių šilumvežių parko struktūrinė analizė, prekinių šilumvežių degalų sąnaudų priklausomybės nuo fizinių veiksnių tyrimas, prekinių šilumvežių ekonominis įvertinimas. Išnagrinėta informacija apibendrinta išvadomis ir pasiūlymais, pateiktas literatūros sąrašas. Darbo apimtis – 70 p. teksto be priedų, 36 iliustr., 24 lent., 15 bibliografinių šaltinių. Atskirai pridedami darbo priedai. The paper analyzes Joint-Stock Company AB „Lietuvos Geležinkeliai“ depot of goods heat-engines. The paper investigates the projects of depot modernization. A comparative analysis of fuel expenditure by goods heat-engines has been conducted in the selected section of the railway. The economic analysis has been carried out, which determines the economic effect of the modernized and remotorized 2M62 series heat-engines and the new SIEMENS ER20 CF goods heat-engines with regard to the saved fuel amount as compared to 2M62 heat-engines with 14D40 engines. The time of covering the modernization and remotorization of 2M62 series heat-engines and the purchase of the new SIEMENS ER20 CF has been determined with regard to the saved fuel amount. The paper presents a structural analysis of the depot for goods heat-engines as well as the research of fuel expenditure by goods heat-engines dependence on physical factors, a comparative analysis of diesel fuel expenditure by goods heat-engines in the railway section as well as economic assessment of goods heat-engines have been conducted. The volume of the paper is 70 pages of text excluding appendices, 36 illustrations, 24 tables, 15 bibliography entries. The appendices are supplied separately.

Published
2009

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