Heat engine efficiency in elliptical reversible cycle of ideal gas 理想氣體的橢圓形可逆循環(huán)過程的熱機(jī)效率
The airline industry has promised great strides in jet - engine efficiency to mitigate the environmental damage caused by flying 航空業(yè)已經(jīng)在其噴氣發(fā)動(dòng)機(jī)的效率方面做出了很大的改進(jìn)措施,旨在減少飛機(jī)在飛行過程中對(duì)環(huán)境造成的破壞。
Change to higher gear if driving a manual transmission as this improves the engines efficiency , making your journey more economical and environmentally - friendly 若你開棍波手動(dòng)檔汽車,可轉(zhuǎn)用高波高檔,這樣可以增加引擎的效率,讓你的旅程既經(jīng)濟(jì)又環(huán)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 吳凱聲,四行程火花點(diǎn)火引擎進(jìn)氣系統(tǒng)調(diào)諧與容積效率關(guān)系之研究,碩士論文,大葉大學(xué),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-