Consider water is flowing through a pipe with a 10 cm diameter at a flow rate of 0.2 kg/s. The inlet mean temperature of the water is 25 °C. If the wall of the pipe is heated with an electric resister generating heat at a rate of 5 kW and maintaining a uniform wall heat flux, determine the average convective heat transfer coefficient between water and wall of the pipe. The properties of water at this temperature are given as; specific heat capacity C, = 4.18 kJ/kg- K, thermal conductivity k = 0.607 W/m-K, Density p = 997 kg/m³, and kinematic viscosity V = 8.9 x 10-7 m²/s. %3D %3D %3D
Consider water is flowing through a pipe with a 10 cm diameter at a flow rate of 0.2 kg/s. The inlet mean temperature of the water is 25 °C. If the wall of the pipe is heated with an electric resister generating heat at a rate of 5 kW and maintaining a uniform wall heat flux, determine the average convective heat transfer coefficient between water and wall of the pipe. The properties of water at this temperature are given as; specific heat capacity C, = 4.18 kJ/kg- K, thermal conductivity k = 0.607 W/m-K, Density p = 997 kg/m³, and kinematic viscosity V = 8.9 x 10-7 m²/s. %3D %3D %3D
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.27P
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![Consider water is flowing through a pipe with a
10 cm diameter at a flow rate of 0.2 kg/s. The
inlet mean temperature of the water is 25 °C. If
the wall of the pipe is heated with an electric
resister generating heat at a rate of 5 kW and
maintaining a uniform wall heat flux, determine
the average convective heat transfer coefficient
between water and wall of the pipe.
The properties of water at this temperature are
given as; specific heat capacity C, = 4.18 kJ/kg-
K, thermal conductivity k = 0.607 W/m-K,
Density p = 997 kg/m³, and kinematic viscosity
v = 8.9 x 10-7 m²/s.
22.2 W/m2-K
O 26.5 W/m2-K
424 W/m2-K
424413 W/m²-K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63eec54f-ec1b-4f0d-b3c9-259db31ee42b%2F13314b4d-7dbd-47a4-8cd8-cc3b6879c240%2F525cuej_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider water is flowing through a pipe with a
10 cm diameter at a flow rate of 0.2 kg/s. The
inlet mean temperature of the water is 25 °C. If
the wall of the pipe is heated with an electric
resister generating heat at a rate of 5 kW and
maintaining a uniform wall heat flux, determine
the average convective heat transfer coefficient
between water and wall of the pipe.
The properties of water at this temperature are
given as; specific heat capacity C, = 4.18 kJ/kg-
K, thermal conductivity k = 0.607 W/m-K,
Density p = 997 kg/m³, and kinematic viscosity
v = 8.9 x 10-7 m²/s.
22.2 W/m2-K
O 26.5 W/m2-K
424 W/m2-K
424413 W/m²-K
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