Steam enters an adiabatic turbine at 800 psia and9008F and leaves at a pressure of 40 psia. Determine themaximum amount of work that can be delivered by thisturbine.

Explanation:

Hello,

In this case, for the inlet stream, from the steam table, the specific enthalpy and entropy are:

Next, for the liquid-vapor mixture at the outlet stream we need to compute its quality by taking into account that since the turbine is adiabatic, the entropy remains the same:

Thus, the liquid and liquid-vapor entropies are included to compute the quality:

Next, we compute the outlet enthalpy by considering the liquid and liquid-vapor enthalpies:

Then, by using the first law of thermodynamics, the maximum specific work is computed via:

Best regards.

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answer:

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