Solution Found!
Calculate the COP of the R-410a heat pump cycle described
Chapter 5, Problem 25HP(choose chapter or problem)
Problem 25HP
Calculate the COP of the R-410a heat pump cycle described in Problem 4.123.
Problem 4.123
An R-410a heat pump cycle shown in Fig. P4.123 has an R-410a flow rate of 0.05 kg/s with 5 kW into the compressor. The following data are given:
State |
1 |
2 |
3 |
4 |
5 |
6 |
P, kPa |
3100 |
3050 |
3000 |
420 |
400 |
390 |
T, °C |
120 |
110 |
45 |
|
−10 |
−5 |
h, kJ/kg |
377 |
367 |
134 |
— |
280 |
284 |
Calculate the heat transfer from the compressor, the heat transfer from the R-410a in the condenser, and the heat transfer to the R-410a in the evaporator.
FIGURE P4.123
Questions & Answers
QUESTION:
Problem 25HP
Calculate the COP of the R-410a heat pump cycle described in Problem 4.123.
Problem 4.123
An R-410a heat pump cycle shown in Fig. P4.123 has an R-410a flow rate of 0.05 kg/s with 5 kW into the compressor. The following data are given:
State |
1 |
2 |
3 |
4 |
5 |
6 |
P, kPa |
3100 |
3050 |
3000 |
420 |
400 |
390 |
T, °C |
120 |
110 |
45 |
|
−10 |
−5 |
h, kJ/kg |
377 |
367 |
134 |
— |
280 |
284 |
Calculate the heat transfer from the compressor, the heat transfer from the R-410a in the condenser, and the heat transfer to the R-410a in the evaporator.
FIGURE P4.123
ANSWER:
Solution 25HP
Step 1 of 2
We are required to calculate the coefficient of performance of the given heat pump.