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Throttle FlowSaturated liquid R-134a at 25°C is throttled
Chapter 4, Problem 33HP(choose chapter or problem)
QUESTION:
Problem 33HP
Throttle Flow
Saturated liquid R-134a at 25°C is throttled to 300 kPa in a refrigerator. What is the exit temperature? Find the percent increase in the volume flow rate.
Questions & Answers
QUESTION:
Problem 33HP
Throttle Flow
Saturated liquid R-134a at 25°C is throttled to 300 kPa in a refrigerator. What is the exit temperature? Find the percent increase in the volume flow rate.
ANSWER:
Solution 33 HP:
Step 1 of 3:-
Here we have to find the exit temperature and the increase in volume flow rate.
The initial temperature of saturated liquid R-134a was,
.
After throttling, the pressure became,
.
By the assumption,
.
at 300 kPa.