5.3 Gas Power Cycles

In gas power cycles the working fluid does not experience any liquid−vapor transformation process (boiling, condensation) as in vapor power cycles. Rather, the working fluid in gas power cycles remains in a gaseous state of aggregation during all cycle processes. There are three types of totally reversible power cycles, the Carnot, the Stirling, and the Ericson. There are three main types of internally reversible power cycles, namely Otto, Diesel and Brayton.

5.3.1 Totally Reversible Gas Power Cycles

The condition for a cycle to be totally reversible is that its heat addition and rejection processes be isothermal. If the heat addition and rejection processes are not isothermal then the cycle must be externally irreversible because ...

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