Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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Chapter 3, Problem 3.44P
To determine
Heat transfer from the refrigerant.
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3.25 WP As shown in Fig. P3.25, Refrigerant 134a is contained
in a piston-cylinder assembly, initially as saturated vapor. The
refrigerant is slowly heated until its temperature is 160°C. Dur-
ing the process, the piston moves smoothly in the cylinder. For
the refrigerant, evaluate the work, in kJ/kg.
Patm = 1 bar
Piston
Refrigerant 134a
m
FIGURE P3.25
Weight=471.1 N
D = 0.02 m
Initial: Saturated vapor
Final: T₂ = 160°C
14
A vertical piston-cylinder arrangement with a diameter of 120 mm contains water with a quality of 60%. The pressure is 3 bar. Initially the piston rests 40 mm above the bottom of the cylinder. Heat is then added until the volume is 3 times the original volume.
Chapter 3 Solutions
Fundamentals Of Engineering Thermodynamics
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