Refrigerator with R-134a as fluid, Keeps space at -39 C (rejecting waste heat to cooling water), enters condenser at Ti 21°C, rate of 0.29 Kg/s. Leaves at To = 4O°C. Refrigerant enters at 1.4 MPa d and T, : 62°C, leaves at %3D same pressure subcooled by 3.3°C.compressor consum es 4.90kW of t power. Use property table.specific heat of water = 4.18 )k.k %3D a) what is the magnitude of heat transfer rate (kw) to water? b) Mass flow rate (kg/s)? ) specafic enthalpy (éakJ/ks) of l1quid R-134a that left condenser, d) Refrigeration Load? e) Coefficient of Performance?
Refrigerator with R-134a as fluid, Keeps space at -39 C (rejecting waste heat to cooling water), enters condenser at Ti 21°C, rate of 0.29 Kg/s. Leaves at To = 4O°C. Refrigerant enters at 1.4 MPa d and T, : 62°C, leaves at %3D same pressure subcooled by 3.3°C.compressor consum es 4.90kW of t power. Use property table.specific heat of water = 4.18 )k.k %3D a) what is the magnitude of heat transfer rate (kw) to water? b) Mass flow rate (kg/s)? ) specafic enthalpy (éakJ/ks) of l1quid R-134a that left condenser, d) Refrigeration Load? e) Coefficient of Performance?
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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Transcribed Image Text:Refrigerator with R-134a as fluid, Keeps space at -39 C
(rejecting waste heat to cooling water), enters condenser at
Ti 21°C, rate of 0.29 Kg/s. Leaves at To = 4O°C. Refrigerant
enters at 1.4 MPa d and T, : 62°C, leaves at
%3D
same
pressure subcooled by 3.3°C.compressor consum es 4.90kW
of
t power. Use property table.specific heat of water = 4.18 )k.k
%3D
a) what is the magnitude of heat transfer rate (kw) to water?
b) Mass flow rate (kg/s)?
) specafic enthalpy (éakJ/ks) of l1quid R-134a that left condenser,
d) Refrigeration Load?
e) Coefficient of Performance?
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