At the beginning of a cycle using air, the pressure, volume and temperature are 550 kN/m 2 , 0.025 m 3 and 15°C, respectively. The air is heated at constant pressure until the temperature is 204°C. It is then expanded adiabatically until the temperature becomes 120°C. The air is cooled at constant volume to a temperature of 15°C then restored to its original volume by isothermal compression. (a) Draw the pressure volume and temperature entropy diagram. (b) Determine for the cycle, the heat received, (c) the work done, (d) the thermal efficiency, Take Cp =1.00 kJ/kgK, Cp /Cv =1.4
At the beginning of a cycle using air, the pressure, volume and temperature are 550 kN/m 2 , 0.025 m 3 and 15°C, respectively. The air is heated at constant pressure until the temperature is 204°C. It is then expanded adiabatically until the temperature becomes 120°C. The air is cooled at constant volume to a temperature of 15°C then restored to its original volume by isothermal compression. (a) Draw the pressure volume and temperature entropy diagram. (b) Determine for the cycle, the heat received, (c) the work done, (d) the thermal efficiency, Take Cp =1.00 kJ/kgK, Cp /Cv =1.4
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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At the beginning of a cycle using air, the pressure, volume and temperature are 550 kN/m 2 , 0.025 m 3 and 15°C, respectively. The air is heated
at constant pressure until the temperature is 204°C. It is then expanded adiabatically until the temperature becomes 120°C. The air is cooled at
constant volume to a temperature of 15°C then restored to its original volume by isothermal compression.
(a) Draw the pressure volume and temperature entropy diagram.
(b) Determine for the cycle, the heat received,
(c) the work done,
(d) the thermal efficiency,
Take Cp =1.00 kJ/kgK, Cp /Cv =1.4
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