A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1400 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 5.5 x 106 lb/h. Data at key points in the cycle are provided in the accompanying table. Determine: State 1 2 3 4 p (lbf/in.²) 1400 1.2 1.2 1400 h (Btu/lb) 1174 758.3 446.5 598.8 (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.

A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1400 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 5.5 x 106 lb/h. Data at key points in the cycle are provided in the accompanying table. Determine: State 1 2 3 4 p (lbf/in.²) 1400 1.2 1.2 1400 h (Btu/lb) 1174 758.3 446.5 598.8 (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.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Question

A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1400 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 5.5 x 106 lb/h. Data at key
points in the cycle are provided in the accompanying table.
Determine:
State
1
2
3
4
p (lbf/in.2) h (Btu/lb)
1400
1.2
1.2
1400
1174
758.3
446.5
598.8
(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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