Calculate the workdone, heat transfer and change in entropy. Do not need to solve. I just need the steps to solve it e.g equations etc. As shown in Figure 1, the nitrogen is initially filled in a piston-cylinder device with the volume of 1.5 m3, the temperature of 127°C and the pressure of 300 kPa.The heat can be transferred across the cylinder wall. The surrounding temperature is 27°C. Once the system finally reaches the thermal equilibrium, the finalvolume is one third of the initial volume. The compression process is polytropic, PV^n=constant. The kinetic and potential energy changes are negligible. Thenitrogen properties are, the gas constant (R) with 0.2968kJ/kgK, and the specific heat at constant pressure (Cp) with 1.039 kJ/ kgK.CylinderN21.5 m3, 127°C,300 kPaPistonSurroundings27°CFigure 1

Now write the expression for the work done.

Answered: Calculate the workdone, heat transfer…

Calculate the workdone, heat transfer and change in entropy. Do not need to solve. I just need the steps to solve it e.g equations etc.

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

Calculate the workdone, heat transfer and change in entropy.

Do not need to solve. I just need the steps to solve it e.g equations etc.

As shown in Figure 1, the nitrogen is initially filled in a piston-cylinder device with the volume of 1.5 m3, the temperature of 127°C and the pressure of 300 kPa.
The heat can be transferred across the cylinder wall. The surrounding temperature is 27°C. Once the system finally reaches the thermal equilibrium, the final
volume is one third of the initial volume. The compression process is polytropic, PV^n=constant. The kinetic and potential energy changes are negligible. The
nitrogen properties are, the gas constant (R) with 0.2968kJ/kgK, and the specific heat at constant pressure (Cp) with 1.039 kJ/ kgK.
Cylinder
N2
1.5 m3, 127°C,
300 kPa
Piston
Surroundings
27°C
Figure 1

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