Helium gas is throttled steadily from 400 kPa and 60C. Heat is lost from the helium in
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Helium gas is throttled steadily from 400 kPa and 60°C. Heat is lost from the helium in the amount of 1.75 kJ/kg to the surroundings at 25°C and 100 kPa. If the entropy of the helium increases by 0.34 kJ/kg·K in the valve, determine
(a) The exit pressure and temperature
(b) The entropy generation during this process.
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Heat is lost from the helium as it is throttled in a throttling valve The exit ...View the full answer
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Related Book For 
Fundamentals of Thermal-Fluid Sciences
ISBN: 978-0078027680
5th edition
Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala
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