Steam at 10 MPa and 550 o C enters reheat-regenerative engine and expands to 3 MPa where m 1 is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 o C. Expansion then occurs to 1.8 MPa, where m 2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 o C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 o C. Calculate: a) m 1,m 2, m 3, b) ideal work of the engine, c) boiler feedwater pump work, d) Heat Added, e) thermal efficiency of the engine , f) thermal efficiency of the cycle, g) heat rate.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Steam at 10 MPa and 550 o C enters reheat-regenerative engine and expands to 3 MPa where m 1 is
extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 o C. Expansion
then occurs to 1.8 MPa, where m 2 is extracted for feedwater heating with the remaining steam
withdrawn and reheated to 550 o C. The third extraction for feedwater heating is at 0.1 MPa. Condenser
is at 45 o C. Calculate: a) m 1,m 2, m 3, b) ideal work of the engine, c) boiler feedwater pump work, d)
Heat Added, e) thermal efficiency of the engine , f) thermal efficiency of the cycle, g) heat rate.
Transcribed Image Text:Steam at 10 MPa and 550 o C enters reheat-regenerative engine and expands to 3 MPa where m 1 is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 o C. Expansion then occurs to 1.8 MPa, where m 2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 o C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 o C. Calculate: a) m 1,m 2, m 3, b) ideal work of the engine, c) boiler feedwater pump work, d) Heat Added, e) thermal efficiency of the engine , f) thermal efficiency of the cycle, g) heat rate.
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