Heat engine efficiency in elliptical reversible cycle of ideal gas 理想气体的椭圆形可逆循环过程的热机效率
The airline industry has promised great strides in jet - engine efficiency to mitigate the environmental damage caused by flying 航空业已经在其喷气发动机的效率方面做出了很大的改进措施,旨在减少飞机在飞行过程中对环境造成的破坏。
Change to higher gear if driving a manual transmission as this improves the engines efficiency , making your journey more economical and environmentally - friendly 若你开棍波手动档汽车,可转用高波高档,这样可以增加引擎的效率,让你的旅程既经济又环保
J . b . heywood , j . m . higgins , p . a . watts , and r . j . tabazynski , “ development and use of a cycle simulation to predict si engine efficiency and nox emissions ” , sae paper 790291 , 1979 吴凯声,四行程火花点火引擎进气系统调谐与容积效率关系之研究,硕士论文,大叶大学,彰化, 1999 。
Engine efficiency of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful work. There are two classifications of thermal engines-