(50 points): Water is the working fluid in the power cycle shown below. Steam is o produced at 1000 p reheated in the Heat pressure of 1 psi The net si, 800 F. Some of the steam expands through T...
(50 points): Water is the working fluid in the power cycle shown below. Steam is o produced at 1000 p reheated in the Heat pressure of 1 psi The net si, 800 F. Some of the steam expands through Turbine 1 to 100 psi. Steam is exchanger to 530 F before going through Turbine 2 to exit at the Condenser . Eac h turbine has an isentropic efficiency of 88% and the pumps are 100% efficient. power out le. Calculate the mass flowrate through the steam generator the fraction y' that goes the heat exchanger from 1, and the fraction y" that leaves the flash chamber as saturated vapor. 合00 hi 1388.5 Btu/lb s1 = 1.5665 Btu/lb R h3 1187.8 Btu/lb ha = 1294.2 Btu/lb hs = 1002.5 Btu/lb ho- 69.74 Btu/lb (sat. liquid) hs 542.4 Btu/lb hio = 298.6 Btu/lb h11 = 123.1 Btu/lb . h12 125.83 Btu/lb Steam generator Flash chamber 1 Saturated vapor ? the)3) 닝'' xchangerCondenser Saturated quid 8 Saturated Pump Pump 11heater m(dot)- m2
(50 points): Water is the working fluid in the power cycle shown below. Steam is o produced at 1000 p reheated in the Heat pressure of 1 psi The net si, 800 F. Some of the steam expands through Turbine 1 to 100 psi. Steam is exchanger to 530 F before going through Turbine 2 to exit at the Condenser . Eac h turbine has an isentropic efficiency of 88% and the pumps are 100% efficient. power out le. Calculate the mass flowrate through the steam generator the fraction y' that goes the heat exchanger from 1, and the fraction y" that leaves the flash chamber as saturated vapor. 合00 hi 1388.5 Btu/lb s1 = 1.5665 Btu/lb R h3 1187.8 Btu/lb ha = 1294.2 Btu/lb hs = 1002.5 Btu/lb ho- 69.74 Btu/lb (sat. liquid) hs 542.4 Btu/lb hio = 298.6 Btu/lb h11 = 123.1 Btu/lb . h12 125.83 Btu/lb Steam generator Flash chamber 1 Saturated vapor ? the)3) 닝'' xchangerCondenser Saturated quid 8 Saturated Pump Pump 11heater m(dot)- m2