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Steam at 10 MPa and 550 °C enters reheat-regenerative engine and expands to 3 MPa where m, is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 °C. Expansion then occurs to 1.8 MPa , where m2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 °C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 °C. Calculate: a) m, m2, m3, 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.

Steam at 10 MPa and 550 °C enters reheat-regenerative engine and expands to 3 MPa where m, is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 °C. Expansion then occurs to 1.8 MPa , where m2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 °C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 °C. Calculate: a) m, m2, m3, 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.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Steam at 10 MPa and 550 °C enters reheat-regenerative engine and expands to 3 MPa where m, is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 °C. Expansion then occurs to 1.8 MPa , where m2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 °C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 °C. Calculate: a) m, m2, mạ, 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 °C enters reheat-regenerative engine and expands to 3 MPa where m, is extracted for feedwater heating, the remainder is withdrawn and and reheated to 550 °C. Expansion then occurs to 1.8 MPa , where m2 is extracted for feedwater heating with the remaining steam withdrawn and reheated to 550 °C. The third extraction for feedwater heating is at 0.1 MPa. Condenser is at 45 °C. Calculate: a) m, m2, mạ, 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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