Concept explainers
The values of the final temperature and enthalpy.
Answer to Problem 36P
The values of the final temperature and enthalpy are
Explanation of Solution
Write the initial specific volume of the piston-cylinder device
Here, specific volume of saturated liquid is
Calculate the initial volume of the piston-cylinder device
Here, mass of the refrigerant-134a is m.
Write the final volume
Write the area of the piston
Here, diameter of the piston is D.
Write the distance that the piston
Here, change in volume is
Write the difference in pressure
Here, change in force is
Write the final pressure of the piston-cylinder device
Write the final specific volume of the piston-cylinder device
Conclusion:
Refer the table A-11E, “Saturated refrigerant-134a–Temperature table”, obtain the properties of refrigerant-134a at temperature of
Specific volume of saturated liquid,
Specific volume of saturated vapor,
Saturation pressure,
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Refer the table A-13E, “Superheated refrigerant-134a table”, obtain the value of the final temperature and final enthalpy at final pressure of
Thus, the values of the final temperature and enthalpy are
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Chapter 3 Solutions
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