Answer to Question #314214 in Mechanical Engineering for Kazuto kirigaya

Question

A Dodecane fuel will be used in an IC Engine. The Air-Fuel ratio is 30:1. Calculate the percent

excess air.

Answer 1

Air fuel ratio is defined as the ratio of air and fuel of a mixture prepared for combustion. For example, if we have a mixture of methane and air which has the air fuel ratio of 17.5, it means that in the mixture we have 17.5 kg of air and 1 kg of methane.