Analysis Of A Vapor Power Plant

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be referenced as depicted above with the
numbers 1-13. The analysis of the system will involve the use of the Energy Rate
Balance to isolate the specific enthalpies and associated values of temperature,
pressure, specific volume, and steam quality. The Entropy balance equation will
be used to calculate the specific entropy at all the above noted states. Energy
Rate Balance (assume KE&PE=0) dEcv/dt = Qcv-Wcv+Smi(hi) - Sme(he)

Entropy Rate Balance dScv/dt = SQj/Tj + Smi(si) - Sme(se) + scv
For simplicity, it is assumed in all calculations that kinetic and potential
energy have a negligible effect. It is also assumed that each component in the
cycle is analyzed as a control volume at steady state; and that each control
volume suffers from no stray heat transfer from any component to its
surroundings. The steam quality at the turbine exits will also be constrained
to values greater than or equal to 90% (Moran, 337). 4.2 Code Development
The C program "finalproject.c² was developed ...

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Then another two expansions occurs and the fluid reaches state 4 and
5 respectively. The fluid then condenses at constant pressure to a saturated
liquid at state 6. The working fluid then enters a pump of efficiency 80% to
state 7. The fluid is then heated in an open feedwater heater at constant
pressure until it is a saturated liquid at state 8. The fluid is then sent
through a pump to a pressure equal to that at state 1 at point Œ9¹. The closed
feedwater heater, heats the fluid at constant pressure to state 10; and then is
heated again by the mixing with the feedwater at state 13. The fluid is then
heated back to point Œ1¹ in the boiler. To find the optimum extraction ...

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