Concept explainers
a)
The amount of ice added.
a)
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Explanation of Solution
Given:
The initial volume of the water
The initial quality of the water mixture
The initial temperature of the water
The temperature of the ice
The final temperature of the mixture
The melting temperature of the ice
The heat of fusion of ice at
Calculation:
Refer the Table A-4, “Saturated water-Temperature table” the obtain the following properties at temperature of is
Refer the Table A-4, “Saturated water-Temperature table” the obtain the following properties at temperature of is
Calculate the initial entropy of the refrigerant
Calculate the initial enthalpy of the refrigerant.
Calculate the initial specific volume of the mixture.
Calculate the mass of the stream
Refer the Table A-3, “Properties of common liquids, solids, and foods”, select the specific heat at constant pressure at room temperature for liquid and ice as
Write the expression for the energy balance equation for closed system.
Here, energy transfer into the control volume is
Substitute
Thus, the amount of ice added is
b)
The entropy generation during the process.
b)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Write the expression for the entropy balance equation of the system.
Substitute
Thus, the generation during the process is
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Chapter 8 Solutions
Fundamentals Of Thermal-fluid Sciences In Si Units
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