This derivation uses enthalpy to derive the isentropic relationships. Alternatively, we could use the definition of entropy, dS = dQ(rev)/T.
I appear to have gotten my subscripts a little mixed up; you can find the correct equations at this link: www.grc.nasa.g...
Note that the conditions for a process to be isentropic is that it must be both reversible AND adiabatic.
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28 авг 2024