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Throttle FlowR-134a is throttled in a line flowing at
Chapter 4, Problem 39HP(choose chapter or problem)
Problem 39HP
Throttle Flow
R-134a is throttled in a line flowing at 25°C, 750 kPa with negligible kinetic energy to a pressure of 165 kPa. Find the exit temperature and the ratio of the exit pipe diameter to that of the inlet pipe (Dex/Din) so that the velocity stays constant.
Questions & Answers
QUESTION:
Problem 39HP
Throttle Flow
R-134a is throttled in a line flowing at 25°C, 750 kPa with negligible kinetic energy to a pressure of 165 kPa. Find the exit temperature and the ratio of the exit pipe diameter to that of the inlet pipe (Dex/Din) so that the velocity stays constant.
ANSWER:
Solution
Step 1 of 3
We need to find out the exit temperature and the ratio of the exit pipe diameter to that of the inlet pipe so that the velocity stays constant.