3. In an ideal Diesel engine compression is from 14.7 psia, 80°F, 1.43 cu ft to 500 psia. Then 16 Btu/cycle are added as heat. Make computations for cold-air standard and find (a) T,, V„ T,, V, T, and p, (b) W, (c) e and pm and (d) the hp for 300 cycles/ 3 min.

3. In an ideal Diesel engine compression is from 14.7 psia, 80°F, 1.43 cu ft to 500 psia. Then 16 Btu/cycle are added as heat. Make computations for cold-air standard and find (a) T,, V„ T,, V, T, and p, (b) W, (c) e and pm and (d) the hp for 300 cycles/ 3 min.

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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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

Thermodynamics subject power cycles. Show the ts diagram and complete and step by step solution. Box the final answer.

3. In an ideal Diesel engine compression is from 14.7 psia,
80°F, 1.43 cu ft to 500 psia. Then 16 Btu/cycle are added as heat.
Make computations for cold-air standard and find (a) T, V,, T,
2
V, T, and p,, (b) W, (c) e and pm, and (d) the hp for 300 cycles/
2
min.
Ans. (a) 1479°R, 0.1152 ft³, 2113°R, 0.1646 ft³, 890°R,
24.2 psia; (b) 9.7 Btu;(e)60.63%,39.9 psi; (d) 68.6
hp

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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