Solved Problem 6.1 - A Supercritical Steam Power Plant for Athens, Ohio

Consider the supercritical steam power plant with reheat for Athens, Ohio, which we evaluated in Solved Problem 4.1. The system diagram is repeated here for convenience:

In this exercise we wish to evaluate the high pressure (HP) and low pressure (LP) turbines of this system (circled in red), both of which are assumed to be adiabatic.

Justify all values used and derive all equations used starting from the basic energy equation for a flow system, the basic definition of turbine adiabatic efficiency ηT.
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Solution Approach:

 

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Engineering Thermodynamics by Israel Urieli is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License