4. An air-standard Otto cycle has a compression ratio of 9.5. The air is at 100 kPa, 35 oC, and 600 cm3 prior to the isentropic compression process. At the end of the isentropic expansion phase, the temperature is 800 K. Using specified room temperature heat values. (A) determine highest temperature in the cycle. (B) what is the highest pressure in the cycle? (C) what is the amount of heat transferred in kJ? (D)what is the thermal efficiency? (E) what is the mean effective pressure? QA = 0.589897609 kJ QR = 0.2397105752 kJ m = 0.000678763745 kg P2 = 2337.830646 kPa P3 = 6072.287391 kPa T2 = 757.9493042 K T3 = 1968. 699491 K
4. An air-standard Otto cycle has a compression ratio of 9.5. The air is at 100 kPa, 35 oC, and 600 cm3 prior to the isentropic compression process. At the end of the isentropic expansion phase, the temperature is 800 K. Using specified room temperature heat values. (A) determine highest temperature in the cycle. (B) what is the highest pressure in the cycle? (C) what is the amount of heat transferred in kJ? (D)what is the thermal efficiency? (E) what is the mean effective pressure? QA = 0.589897609 kJ QR = 0.2397105752 kJ m = 0.000678763745 kg P2 = 2337.830646 kPa P3 = 6072.287391 kPa T2 = 757.9493042 K T3 = 1968. 699491 K
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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I need help in answering D and E only. Thanks!
Transcribed Image Text:4. An air-standard Otto cycle has a compression ratio of 9.5. The air is at 100 kPa, 35 oC,
and 600 cm3 prior to the isentropic compression process. At the end of the isentropic
expansion phase, the temperature is 800 K. Using specified room temperature heat
values.
(A) determine highest temperature in the cycle.
(B) what is the highest pressure in the cycle?
(C) what is the amount of heat transferred in kJ?
(D)what is the thermal efficiency?
(E) what is the mean effective pressure?
QA = 0.589897609 kJ
QR = 0.2397105752 kJ
m = 0.000678763745 kg
P2 = 2337.830646 kPa
P3 = 6072.287391 kPa
T2 = 757.9493042 K
T3 = 1968. 699491 K
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