1) Pasteurized beer (Cp = 4.2 kJ/kg °C) is being cooled in a double pipe heat exchanger. The beer enters the heat exchanger at 95°C and exits at 25°C. Glycol is being used as the cooling fluid (Cp = 3.9 kJ/kg °C). It enters the heat exchanger at 5°C and leaves at 16°C. The beer is flowing at a mass flow rate of 1 kg/s in the outside pipe. The glycol flows inside pipe. The pipe carrying beer is not well insulated. A heat loss of 50 kJ/s occurs from heat exchanger to environment during the process. What should be the volumetric flow rate and velocity of glycol in the heat exchanger? The inside diameter of the pipe glycol flowing is 5 cm. The density of glycol is equal to 1113 kg/m³.
1) Pasteurized beer (Cp = 4.2 kJ/kg °C) is being cooled in a double pipe heat exchanger. The beer enters the heat exchanger at 95°C and exits at 25°C. Glycol is being used as the cooling fluid (Cp = 3.9 kJ/kg °C). It enters the heat exchanger at 5°C and leaves at 16°C. The beer is flowing at a mass flow rate of 1 kg/s in the outside pipe. The glycol flows inside pipe. The pipe carrying beer is not well insulated. A heat loss of 50 kJ/s occurs from heat exchanger to environment during the process. What should be the volumetric flow rate and velocity of glycol in the heat exchanger? The inside diameter of the pipe glycol flowing is 5 cm. The density of glycol is equal to 1113 kg/m³.
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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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
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Transcribed Image Text:1) Pasteurized beer (Cp = 4.2 kJ/kg °C) is being cooled in a double pipe heat exchanger.
The beer enters the heat exchanger at 95°C and exits at 25°C. Glycol is being used as the cooling
fluid (Cp = 3.9 kJ/kg °C). It enters the heat exchanger at 5°C and leaves at 16°C. The beer is
flowing at a mass flow rate of 1 kg/s in the outside pipe. The glycol flows inside pipe. The pipe
carrying beer is not well insulated. A heat loss of 50 kJ/s occurs from heat exchanger to
environment during the process. What should be the volumetric flow rate and velocity of glycol in
the heat exchanger? The inside diameter of the pipe glycol flowing is 5 cm. The density of glycol
is equal to 1113 kg/m³.
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