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Vehicle Fuel Economy Improvement by Studies on the Engine Cooling and Ancilliaries System of the Heavy Duty Engine  

Lyu, Myung-Seok (Research & Development Corporate, Hyundai Motor Company)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.15, no.3, 2007 , pp. 79-84 More about this Journal
Abstract
Recently it is strongly required to develop the better fuel economy as well as basic power performance based on strict emission legislation. This paper focuses on studies of the engine cooling and ancillaries system among fuel economy factors in the developing stage. Firstly through the analysis of the current specifications, it is assessed whether each components may be designed properly, not overdesigned. Secondly, it is predicted how the fuel economy of each components can be improved. Finally the results are confirmed by vehicle field test equppted with the updatedcomponents. This study found good agreementbetween the prediction and the field test on the vehicle fuel economy improvements of the heavy duty engine vehicle with updated components such as engine cooling and ancilliaries.
Keywords
Vehicle fuel economy; Fuel economy sensitivity; Commercial vehicle; Cooling system; Engine ancilliaries system; Parasitic loss;
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  • Reference
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