In a large student house in Sheffield, cold water is supplied by the mains water supply at a pressure of 2 bar, gauge, and at a temperature 10°C. A wash basin cold tap is located 3 meters above the mains supply, connected to the mains pipe with a copper pipe of internal diameter 15 mm and length 12 meters. When the tap is opened the flow rate of water out of the tap is 24 litres per minute, creating a Fanning friction factor in the pipe of 0.008. a) Calculate the Reynolds number of the water in the pipe and determine if it is laminar or turbulent.

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Chapter7: Forced Convection Inside Tubes And Ducts
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In a large student house in Sheffield, cold water is supplied by the mains water
supply at a pressure of 2 bar, gauge, and at a temperature 10°C. A wash basin cold
tap is located 3 meters above the mains supply, connected to the mains pipe with a
copper pipe of internal diameter 15 mm and length 12 meters. When the tap is
opened the flow rate of water out of the tap is 24 litres per minute, creating a
Fanning friction factor in the pipe of 0.008.
a)
Calculate the Reynolds number of the water in the pipe and determine if it is
laminar or turbulent.
Transcribed Image Text:In a large student house in Sheffield, cold water is supplied by the mains water supply at a pressure of 2 bar, gauge, and at a temperature 10°C. A wash basin cold tap is located 3 meters above the mains supply, connected to the mains pipe with a copper pipe of internal diameter 15 mm and length 12 meters. When the tap is opened the flow rate of water out of the tap is 24 litres per minute, creating a Fanning friction factor in the pipe of 0.008. a) Calculate the Reynolds number of the water in the pipe and determine if it is laminar or turbulent.
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