Thermodynamics Question: Refrigerant – 134a is to be cooled by water in a condenser. The refrigerant enters the insulated condenser with a mass flow rate of 6 kg/min at 1 MPa, 70 oC and leaves at 35 oC. The cooling water (compressed liquid) enters at 300 kPa and 15 oC and leaves at 25 oC. Neglecting any pressure drops, kinetic and potential energy changes in the pipes, determine (a) the mass flow rate of the cooling water required and (b) the heat transfer rate from the refrigerant to water.
Thermodynamics Question: Refrigerant – 134a is to be cooled by water in a condenser. The refrigerant enters the insulated condenser with a mass flow rate of 6 kg/min at 1 MPa, 70 oC and leaves at 35 oC. The cooling water (compressed liquid) enters at 300 kPa and 15 oC and leaves at 25 oC. Neglecting any pressure drops, kinetic and potential energy changes in the pipes, determine (a) the mass flow rate of the cooling water required and (b) the heat transfer rate from the refrigerant to water.
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 – 134a is to be cooled by water in a condenser. The refrigerant enters the insulated condenser with a mass flow rate of 6 kg/min at 1 MPa, 70 oC and leaves at 35 oC. The cooling water (compressed liquid) enters at 300 kPa and 15 oC and leaves at 25 oC. Neglecting any pressure drops, kinetic and potential energy changes in the pipes, determine (a) the mass flow rate of the cooling water required and (b) the heat transfer rate from the refrigerant to water.
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