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Q5/ An existing process consists of two steps: (a) One mole of air at T1=900k and p1= 3 bar is cooled at constant volume to T2= 300k. (b) The air is then heated at constant pressure until its temperature reaches qook. It is proposed to replace this two-step process by a single. Isothermal expansion of the air from qook and 3 bar to some final pressure p. what is the value of p that makes the work of the proposed process equal to that of existing process? Assume mechanical reversibility and treat air as an ideal gas with Cp=R, Cv=R

Q5/ An existing process consists of two steps: (a) One mole of air at T1=900k and p1= 3 bar is cooled at constant volume to T2= 300k. (b) The air is then heated at constant pressure until its temperature reaches qook. It is proposed to replace this two-step process by a single. Isothermal expansion of the air from qook and 3 bar to some final pressure p. what is the value of p that makes the work of the proposed process equal to that of existing process? Assume mechanical reversibility and treat air as an ideal gas with Cp=R, Cv=R

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Q5/ An existing process consists of two steps: (a) One mole of air at T1= 900k and pl= 3 bar is cooled at constant volume to T2= 300k. (b) The air is then heated at constant pressure until its temperature reaches qook. It is proposed to replace this two-step process by a single. Isothermal expansion of the air from qook and 3 bar to some final pressure p. what is the value of p that makes the work of the proposed process equal to that of existing process? Assume mechanical reversibility and treat air as an ideal gas with Cp=R, Cv=-
Transcribed Image Text:Q5/ An existing process consists of two steps: (a) One mole of air at T1= 900k and pl= 3 bar is cooled at constant volume to T2= 300k. (b) The air is then heated at constant pressure until its temperature reaches qook. It is proposed to replace this two-step process by a single. Isothermal expansion of the air from qook and 3 bar to some final pressure p. what is the value of p that makes the work of the proposed process equal to that of existing process? Assume mechanical reversibility and treat air as an ideal gas with Cp=R, Cv=-
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