PROBLEM 1.O A standard vapor compression system produces at 24 Tons of Refrigeration using R-22 as a refrigerant while operating between a condenser temperature of 38.5°C and an evaporating temperature of -17.3 °C. The compressor has a 4% clearance volume, 0.75 compression efficiency and 0.78% mechanical efficiency. Compute a) mass flow rate of refrigerant in kg/min, b) volume flow rate (m³/h) of cooling water in the condenser if the water temperature is increased by 12°C, c) clearance volumetric efficiency, d) ideal and actual COP, and e) brake work in kW
PROBLEM 1.O A standard vapor compression system produces at 24 Tons of Refrigeration using R-22 as a refrigerant while operating between a condenser temperature of 38.5°C and an evaporating temperature of -17.3 °C. The compressor has a 4% clearance volume, 0.75 compression efficiency and 0.78% mechanical efficiency. Compute a) mass flow rate of refrigerant in kg/min, b) volume flow rate (m³/h) of cooling water in the condenser if the water temperature is increased by 12°C, c) clearance volumetric efficiency, d) ideal and actual COP, and e) brake work in kW
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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PROBLEM 1.O
A standard vapor compression system produces at 24 Tons of Refrigeration using R-22
as a refrigerant while operating between a condenser temperature of 38.5°C and an
evaporating temperature of -17.3 °C. The compressor has a 4% clearance volume, 0.75
compression efficiency and 0.78% mechanical efficiency. Compute
a) mass flow rate of refrigerant in kg/min,
b) volume flow rate (m3/h) of cooling water in the condenser if the water
temperature is increased by 12°C,
c) clearance volumetric efficiency,
d) ideal and actual COP, and
e) brake work in kW
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