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The R-410a in 3.14c is at 1000 kPa, 50°C with a mass of
Chapter 3, Problem 46HP(choose chapter or problem)
Problem 46HP
The R-410a in Problem 3.14c is at 1000 kPa, 50°C with a mass of 0.1 kg. It is cooled so that the volume is reduced to half the initial volume. The piston mass and gravitation are such that a pressure of 400 kPa will float the piston. Find the work in the process.
Problem 3.14c
Figure P3.14 shows three physical situations; show the possible process in a P–v diagram.
FIGURE P3.14
Questions & Answers
QUESTION:
Problem 46HP
The R-410a in Problem 3.14c is at 1000 kPa, 50°C with a mass of 0.1 kg. It is cooled so that the volume is reduced to half the initial volume. The piston mass and gravitation are such that a pressure of 400 kPa will float the piston. Find the work in the process.
Problem 3.14c
Figure P3.14 shows three physical situations; show the possible process in a P–v diagram.
FIGURE P3.14
ANSWER:
Solution 46HP
Step 1 of 2
We are required to calculate the work done in the process.