Given the temperature of the sink, the change in entropy and the effective work done by Carnot engines A and B in Table, calculate the temperature of the heat source, the heat absorbed and rejected as well as the efficiency of both engines. Show solution High Engine Temperature Temperature (E) in °C AS (high– low) in KJ/kgK Carnot Low Heat Нeat Net Work Efficiency (c) in % Absorbed Rejected (QR) in KJ/ kg Produced (Wx) in KJkg () in °C (QA) in 32 0.2043 57 B 36 0.1856 53

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Given the temperature of the sink, the change in entropy and the effective work done by Carnot
engines A and B in Table, calculate the temperature of the heat source, the heat absorbed and
rejected as well as the efficiency of both engines. Show solution
High
Temperature Temperature
(tE) in °C
AS (high – low)
in KJ/kgK
Carnot
Low
Нeat
Нeat
Net Work
Efficiency
(c) in %
Rejected
(QR) in
KJ / kg
Engine
Absorbed
Produced
(QA) in
KJ/kg
(WN) in
KJ/kg
() in °C
A
32
0.2043
57
B
36
0.1856
53
Transcribed Image Text:Given the temperature of the sink, the change in entropy and the effective work done by Carnot engines A and B in Table, calculate the temperature of the heat source, the heat absorbed and rejected as well as the efficiency of both engines. Show solution High Temperature Temperature (tE) in °C AS (high – low) in KJ/kgK Carnot Low Нeat Нeat Net Work Efficiency (c) in % Rejected (QR) in KJ / kg Engine Absorbed Produced (QA) in KJ/kg (WN) in KJ/kg () in °C A 32 0.2043 57 B 36 0.1856 53
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