Adiabatic ProcessAn adiabatic process is one in which no heat is gained or lost by the system. The first law of thermodynamics with Q=0 shows that all the change in internal energy is in the form of work done. This puts a constraint on the heat engine process leading to the adiabatic condition shown below. This condition can be used to derive the expression for the work done during an adiabatic process. ![]() The ratio of the specific heats g = CP/CV is a factor in determining the speed of sound in a gas and other adiabatic processes as well as this application to heat engines. This ratio g = 1.66 for an ideal monoatomic gas and g = 1.4 for air, which is predominantly a diatomic gas. | Index Heat engine concepts | ||
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Adiabatic Process![]() | Index Heat engine concepts | ||
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Adiabatic Process
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