Future auto engines: competition heats up. Fuels, technology, costs, materials will decide which engine wins
C. Rain
Abstract
C. Rain
Abstract
Conventional automobile engines are already competing with more-efficient diesel and stratified-charge engines, with gas-turbine and Stirling engines in the wings. Technical and economic issues will determine which will power the car of the future. The most likely scenario projects a mix of engines for several decades. This article describes and compares five power cycles, pointing out the fuel and engineering requirements and the research needs of each. 9 figures. (DCK)
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Conventional automobile engines are already competing with more-efficient diesel and stratified-charge engines, with gas-turbine and Stirling engines in the wings. Technical and economic issues will determine which will power the car of the future. The most likely scenario projects a mix of engines for several decades. This article describes and compares five power cycles, pointing out the fuel and engineering requirements and the research needs of each. 9 figures. (DCK)
Key concepts: Stirling engine, Heat engine, Diesel fuel, Engineering, Automotive engineering, Mechanical engineering