HW_20 - Homework Assignment 20 1 Consider a simple ideal...

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Homework Assignment 20 1. Consider a simple ideal Rankine cycle with fixed turbine inlet conditions. What is the effect of lowering the condenser pressure on? I Pump work input II Turbine work Output III Heat supplied IV Heat rejected V Cycle efficiency VI Moisture content Please select the most appropriate answer shown in the following, (a) increases, (b) decreases, (c) remains the same 2. Water is the working fluid in an ideal Rankine cycle. The pressure and temperature at the turbine inlet are 1600 lbf/in. 2 and 1100°F, respectively, and the condenser pressure is 1 lbf/in. 2 The mass flow rate of steam entering the turbine is 1.4×10 6 lb/h. The cooling water experiences a temperature increase from 60°F to 80°F, with negligible pressure drop, as it passes through the condenser. Determine for the cycle, (a) the net power developed, in Btu/h. (b) the thermal efficiency. (c) the mass flow rate of condenser cooling water, in lb/h. 3.
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This note was uploaded on 09/05/2010 for the course MEEN 315 taught by Professor Ramussen during the Summer '07 term at Texas A&M.

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HW_20 - Homework Assignment 20 1 Consider a simple ideal...

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