单词 | stoichiometric ratio |
释义 | stoichiometric ratio in Automotive Engineering (stoɪkiəmɛtrɪk reɪʃoʊ) Word forms: (regular plural) stoichiometric ratios noun PronunciationNote that the 'ch' in 'stoichiometric' is pronounced 'k'. There are several typesof ratio that are used in automotive engineering. Make sure you put the stress onthe right syllable.air-fuel ratio ( /OO ooo/)bore-stroke ratio ( /Oo ooo/)compression ratio ( /oOo ooo/)gear ratio ( /O ooo/)stoichiometric ratio ( /OooOo ooo/)(Automotive engineering: Design and performance) The stoichiometric ratio is the exact ratio between air and flammable gas or vapor at which complete combustion takes place. The stoichiometric ratio of combustion varies for various fuels and oxidizers. If the engine has less air than the stoichiometric ratio, you have a rich mixture, because it is rich in gasoline. A stoichiometric ratio is neither too rich nor too lean. lt contains just enough oxygen to burn all thefuel. |
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