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Type of publication: journal article
Type of publication (PDB): Straipsnis mokslo-populiarinimo leidinyje / Article in popular science editions (S6)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Rinkevičius, Rimantas;Gulbinskas, Gražvydas;Labeckas, Gvidonas
Title: Biodegalų pradinio įpurškimo slėgio įtaka dyzelinio variklio darbo rodikliams
Is part of: Agroinžinerija ir energetika: LŽŪU Žemės ūkio inžinerijos fakulteto mokslo populiarinimo ir gamybos žurnalas. , 2012, Nr. 17
Extent: p. 231-236
Date: 2012
Abstract: The article presents the bench testing results of an air cooled, one cylinder diesel engine F1L511 (12.8 kW) when operating on diesel fuel and its various blends with rapeseed oil. The rapeseed oil and diesel fuel blends BS, B10 and BIS have been tested. The analysis of the brake mean effective pressure (bmep), brake specific fuel consumption (bsfc), thermal efficiency of the engine (ηe) and temperature of the exhausts was conducted for 3000 min'1 speed and air-to-fuel equivalence ratio α = 2.0. The biggest bmpe = 0.408 MPa can be developed when initial diesel fuel injection pressure increases from 180 to 200 bar. In this case, the brake specific fuel consumption decreases from 348.9 to 293.8 g/kWh (15.81 %). In result, the brake thermal efficiency of the engine increases to maximum value of η = 0.28. However, at higher fuel injection pressure the brake thermal efficiency decreases with the content of rapeseed oil in the blend. The temperature of the exhausts is lower (550 K) from biodiesel (B15) compared to that (610 K) of base diesel fuel and it is less dependent on the injection pressure of biofuel
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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