4. An air standard dual (limited pressure) cycle has a CR of 15 and compression begins at 0.1 MPa,40 °C. The maximum pressure is 6 MPa and heat added is 1.675 MJ/kg. Compute235 kJkg1440 kJ/k(a) The heat supplied at v = C per kg of air(b) the heat supplied at p = C per kg of air1 of 31014 k/kg]0.5%(c) the work done per kg of air,(d) the cycle efficiency(e) the temperature at the end of the v = C heating process,(f) the cut-off ratio, andL21 MP(g) the m.e.p. of the cycle.

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Asked Nov 9, 2019
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4. An air standard dual (limited pressure) cycle has a CR of 15 and compression begins at 0.1 MPa,
40 °C. The maximum pressure is 6 MPa and heat added is 1.675 MJ/kg. Compute
235 kJkg
1440 kJ/k
(a) The heat supplied at v = C per kg of air
(b) the heat supplied at p = C per kg of air
1 of 3
1014 k/kg]
0.5%
(c) the work done per kg of air,
(d) the cycle efficiency
(e) the temperature at the end of the v = C heating process,
(f) the cut-off ratio, and
L21 MP
(g) the m.e.p. of the cycle.
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4. An air standard dual (limited pressure) cycle has a CR of 15 and compression begins at 0.1 MPa, 40 °C. The maximum pressure is 6 MPa and heat added is 1.675 MJ/kg. Compute 235 kJkg 1440 kJ/k (a) The heat supplied at v = C per kg of air (b) the heat supplied at p = C per kg of air 1 of 3 1014 k/kg] 0.5% (c) the work done per kg of air, (d) the cycle efficiency (e) the temperature at the end of the v = C heating process, (f) the cut-off ratio, and L21 MP (g) the m.e.p. of the cycle.

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Expert Answer

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Hii there thanks for the question as per our honor code we are authorized to solve only three subparts of question. Please resubmit your question for the other subparts.

Given data as per question

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Maximum pressure=6Mpa Initial temp.-40°c heat addition 1.675M]/kg Qudd-2 4 adiabatic expansion Qadd-1 2 CR = V2 compression stroke adiabatic compression Qout pressure P2 exhaust stroke 1 intake stroke Vs V4 V2 Volume

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Step 2

Considering process 1-2

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Р. J V2 P 0.1x (154 P2 4.43 1Mpa T-313(15) T-924.657k cosidering process 2-3 T T Р, 6 T924.64 4.43 T3 1252.33k

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(4) calculating supplied at constant volume QC, (T,-T;) Q-0.718(1252.36-924.65) Q=235.295kjkg (B) heat suppliedat constant pressure=total heat-heat supplied during 2-3 =1.675x103-235.3 - 1439.7kj/kg considering process 3-4 heat transfer c (T4-T3) 1439.7=1.005(T4-1252.36) T-2685k

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