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1. The working substance The volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find (a) Q,, (b) Qg, (c) V3, (d) p,, (e) V,, (f) p., (g)pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression. (n) 346 4 Btu: (h)-2091 Btu: (c) 63.57 cu ft: (d) Ang

1. The working substance The volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find (a) Q,, (b) Qg, (c) V3, (d) p,, (e) V,, (f) p., (g)pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression. (n) 346 4 Btu: (h)-2091 Btu: (c) 63.57 cu ft: (d) Ang

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Thermodynamics subject power cycles. Show the ts diagram and complete and step by step solution. Bix the final answer.
1. The working substance for a Carnot cycle is 8 lb of air. The volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find (a) Q, (b) Q, (c) V,, (d) p„ (e) V,, (f) p,, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression. Ans. (a) 346.4 Btu; (b) –209.1 Btu; (c) 63.57 cu ft; (d) 25.64 psia; (e) 31.79 cu ft; (f) 51.28-psia; (g) 13.59 psia; (h) 3.53; (8) 7.06
Transcribed Image Text:1. The working substance for a Carnot cycle is 8 lb of air. The volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find (a) Q, (b) Q, (c) V,, (d) p„ (e) V,, (f) p,, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression. Ans. (a) 346.4 Btu; (b) –209.1 Btu; (c) 63.57 cu ft; (d) 25.64 psia; (e) 31.79 cu ft; (f) 51.28-psia; (g) 13.59 psia; (h) 3.53; (8) 7.06
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