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Thermodynamics (Ideal Rankine Cycle)
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[QUOTE="Awwnutz, post: 2810247, member: 147066"] [b]1. An ideal reheat Rankine cycle operates between the pressure limits of 10 KPa and 8 MPa, with reheat occurring at 4 MPa. The temperature of steam at the inlets of both turbines is 500C, and the enthalpy of steam is 3185 KJ/kg at the exit of the high-pressure turbine, and 2247 KJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is a.) 32 percent b.) 29 percent c.) 49 percent d.) 41 percent[/b] [b]2. Relevent Equations Nrankine = Wnet / Qin = (Qin - Qout)/Qin s2 = sf@pressure + x(sfg@pressure) h2 = hf@pressure + x(hfg@pressure)[/b] [b]3. The Attempt at a Solution Not really sure where to start. I did one before this that is just a simple Rankine cycle without the reheat. The reheating is what throws me off. Any help would be appreciated[/b] [/QUOTE]
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Thermodynamics (Ideal Rankine Cycle)
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