Refrigerant R-134a is used in a vapor-compression refrigeration cycle as the circulating medium. The refrigerant enters the compressor at 200 kPa and -10oC and leaves it at 1MPa and 70oC. The mass flow rate through this component is 0.015kg/s, with a power input of 1kW. After the compressor, the refrigerant enters a water-cooled condenser at 1MPa and 60oC and leaves this condenser at 0.95MPa and 40oC. The condenser input and output temperatures of water are 10oC and 20oC, respectively. Based on this information, please find: a) The rate of heat transfer from the compressor. b) Mass flow rate of water through the condenser and the cooling capacity provided by watercooling
Refrigerant R-134a is used in a vapor-compression refrigeration cycle as the circulating medium. The refrigerant enters the compressor at 200 kPa and -10oC and leaves it at 1MPa and 70oC. The mass flow rate through this component is 0.015kg/s, with a power input of 1kW. After the compressor, the refrigerant enters a water-cooled condenser at 1MPa and 60oC and leaves this condenser at 0.95MPa and 40oC. The condenser input and output temperatures of water are 10oC and 20oC, respectively. Based on this information, please find: a) The rate of heat transfer from the compressor. b) Mass flow rate of water through the condenser and the cooling capacity provided by watercooling
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Refrigerant R-134a is used in a vapor-compression refrigeration cycle as the circulating medium.
The refrigerant enters the compressor at 200 kPa and -10oC and leaves it at 1MPa and 70oC. The
mass flow rate through this component is 0.015kg/s, with a power input of 1kW. After the
compressor, the refrigerant enters a water-cooled condenser at 1MPa and 60oC and leaves this
condenser at 0.95MPa and 40oC. The condenser input and output temperatures of water are 10oC and
20oC, respectively. Based on this information, please find:
a) The rate of heat transfer from the compressor.
b) Mass flow rate of water through the condenser and the cooling capacity provided by watercooling
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