A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1000 lbf/in.2, and saturat vapor enters the turbine (state 1). The condenser pressure is 1.2 lbf/in.² The mass flow rate of steam is 1 x 106 lb/h. Data at key poin in the cycle are provided in the accompanying table. State p (lbf/in.²) 1 2 3 1000 1.2 1.2 h (Btu/lb) 1192 783.4 416.3

Elements Of Electromagnetics
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A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1000 lbf/in.², and saturated
vapor enters the turbine (state 1). The condenser pressure is 1.2 lbf/in.² The mass flow rate of steam is 1 x 106 lb/h. Data at key points
in the cycle are provided in the accompanying table.
Determine:
State p (lbf/in.²) h (Btu/lb)
1
2
3
4
1000
1.2
1.2
1000
1192
783.4
416.3
542.5
(a) the percent thermal efficiency.
(b) the back work ratio.
(c) the net power developed, in Btu/h.
(d) the rate of heat transfer to the working fluid passing through the boiler, in Btu/h.
Transcribed Image Text:A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1000 lbf/in.², and saturated vapor enters the turbine (state 1). The condenser pressure is 1.2 lbf/in.² The mass flow rate of steam is 1 x 106 lb/h. Data at key points in the cycle are provided in the accompanying table. Determine: State p (lbf/in.²) h (Btu/lb) 1 2 3 4 1000 1.2 1.2 1000 1192 783.4 416.3 542.5 (a) the percent thermal efficiency. (b) the back work ratio. (c) the net power developed, in Btu/h. (d) the rate of heat transfer to the working fluid passing through the boiler, in Btu/h.
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