# Ws, Polytropic Processes, Open Systems

#### SISO, Internally Reversible, SS

Negligible changes in kinetic and potential energies

We will now use this expression to evaluate the total non-PV work for

#### polytropic processes

that take place in an open system.Polytropic Processes

δ = 0 | (Isobaric) |

δ = 1 | (Isothermal if IG) |

δ = γ | (Isentropic if IG) |

δ = ∞ | (Isochoric) |

Notice:

The PV Diagram is a log-log plot. Both axes are logarithmic.

The PV Diagram is a log-log plot. Both axes are logarithmic.

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