The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k = 0.029 W/m·K. The measured temperature difference across a 25-mm-thick sheet of the material is T| – T2 = 10°C. (a) What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m2? (b) What is the rate of heat transfer through the sheet of insulation, in W? (c) What is the thermal resistance of the sheet due to conduction, in K/W?
The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k = 0.029 W/m·K. The measured temperature difference across a 25-mm-thick sheet of the material is T| – T2 = 10°C. (a) What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m2? (b) What is the rate of heat transfer through the sheet of insulation, in W? (c) What is the thermal resistance of the sheet due to conduction, in K/W?
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.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.2P: 1.2 The weight of the insulation in a spacecraft may be more important than the space required. Show...
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![The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k = 0.029 W/m-K. The measured temperature
difference across a 25-mm-thick sheet of the material is T| – T2 = 10°C.
(a) What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m??
(b) What is the rate of heat transfer through the sheet of insulation, in W?
(c) What is the thermal resistance of the sheet due to conduction, in K/W?
Part A
What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m2?
i
W/m?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F482922b6-8db2-4b1e-a2d2-1a52475ae1f7%2Fffa0329d-4fc9-4bac-9b4e-a22ccb178cc2%2Fejghip_processed.png&w=3840&q=75)
Transcribed Image Text:The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k = 0.029 W/m-K. The measured temperature
difference across a 25-mm-thick sheet of the material is T| – T2 = 10°C.
(a) What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m??
(b) What is the rate of heat transfer through the sheet of insulation, in W?
(c) What is the thermal resistance of the sheet due to conduction, in K/W?
Part A
What is the heat flux through a 3 m x 3 m sheet of the insulation, in W/m2?
i
W/m?
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