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Question by zuljr1997 · May 09, 2018 at 09:54 AM · thermal

Why do you think that the spesific volume at the inlet and outlet of the pump, is the same?

Why do you think that the spesific volume at the inlet and outlet of the pump, is the same?

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Answer by HarshadK · May 09, 2018 at 04:59 AM

Read section 2.3 OPEN SYSTEMS AND ENTHALPY in this book: THE APPLICATION OF THERMODYNAMICS TO PUMP SYSTEMS

To quote from the book,

The mass entering the system displaces an equal amount of mass that exits. A clearly defined boundary, called the control volume, envelops the system and intersects the inlet and outlet. The control volume allows us to apply the principle of conservation of energy.

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