Hot reservoir at T QH Weycle R1 Reservoir Q 20 at T Weycle R2 Ос Cold reservoir at TC

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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As shown in the figure below, two reversible cycles arranged in series each produce the same net work, Wcycle. The first cycle receives energy QH by heat transfer from a hot reservoir at TH = 1500°R and rejects energy Q by heat transfer to a reservoir at an intermediate temperature, T. The second cycle receives energy Q by heat transfer from the reservoir at temperature T and rejects energy QC by heat transfer to a reservoir at TC = 450°R. All energy transfers are positive in the directions of the arrows.

 

Determine:

(a) the intermediate temperature T, in °R, and the thermal efficiency for each of the two power cycles.

(b) the thermal efficiency of a single reversible power cycle operating between hot and cold reservoirs at 1500°R and 450°R, respectively. Also, determine the ratio of the net work developed by the single cycle to the net work developed by each of the two cycles, Wcycle.

Hot reservoir at T
QH
Weycle
R1
Reservoir Q
20
at T
Weycle
R2
Ос
Cold reservoir at TC
Transcribed Image Text:Hot reservoir at T QH Weycle R1 Reservoir Q 20 at T Weycle R2 Ос Cold reservoir at TC
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