Question: A diesel engine is an internal combustion engine in which fuel is sprayed into the cylinders after the air charge has been so highly compressed

A diesel engine is an internal combustion engine in which fuel is sprayed into the cylinders after the air charge has been so highly compressed that it has attained a temperature sufficient to ignite the fuel. Assume that the air in the cylinders is compressed isentropically from an initial temperature of 27◦C (300K). If the compression ratio is 15, what is the maximum temperature in ◦C to which the air is heated by the compression? Take γ = 1.4.

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