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Consider an evacuated tank of volume V. For the space
Chapter 7, Problem 7.4(choose chapter or problem)
QUESTION:
Consider an evacuated tank of volume V. For the space inside the tank as the system, show that the exergy is given by E = \(p_{0}\)V. Discuss.
Questions & Answers
QUESTION:
Consider an evacuated tank of volume V. For the space inside the tank as the system, show that the exergy is given by E = \(p_{0}\)V. Discuss.
ANSWER:Step 1 of 5
In this problem, we want to show that the exergy inside an evacuated tank is given by the equation:
Let us define the system composed of the evacuated tank and the environment around it as shown in the figure below. Note that for the system, there is no external heat flow . We can also say that the pressure and temperature of the environment is constant.