Q2/ A plane wall (K =17 W/m.°C ) with (60 mm) thick. Both sides of the wall are insulated with ( 2 cm) layer of insulating material having (K=0.22 W/m.C) . The heat transfer coefficient, considering convection on both sides of wall are ( 120 and 10 W/m².°C ) respectively. Calculate the heat transfer per unit area if the temperature difference across the wall is (90 °C).
Q2/ A plane wall (K =17 W/m.°C ) with (60 mm) thick. Both sides of the wall are insulated with ( 2 cm) layer of insulating material having (K=0.22 W/m.C) . The heat transfer coefficient, considering convection on both sides of wall are ( 120 and 10 W/m².°C ) respectively. Calculate the heat transfer per unit area if the temperature difference across the wall is (90 °C).
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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.4P: A plane wall 15 cm thick has a thermal conductivity given by the relation k=2.0+0.0005T[W/mK] where...
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![Q2/ A plane wall (K =17 W/m.°C ) with (60 mm) thick. Both sides of the wall
are insulated with ( 2 cm) layer of insulating material having (K=0.22 W/m.°C )
The heat transfer coefficient, considering convection on both sides of wall are
( 120 and 10 W/m.°C ) respectively. Calculate the heat transfer per unit area if
the temperature difference across the wall is (90 °C).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F068470a3-1b6d-4ebd-96ab-9f79961a099c%2Fcbcd5794-f593-4296-adcf-9af84729416d%2F0c9k2x5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2/ A plane wall (K =17 W/m.°C ) with (60 mm) thick. Both sides of the wall
are insulated with ( 2 cm) layer of insulating material having (K=0.22 W/m.°C )
The heat transfer coefficient, considering convection on both sides of wall are
( 120 and 10 W/m.°C ) respectively. Calculate the heat transfer per unit area if
the temperature difference across the wall is (90 °C).
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