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 T₁ T₂ = 12°C. (a) What is the heat flux through a 3 mx 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 T₁ T₂ = 12°C. (a) What is the heat flux through a 3 mx 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?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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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 T₁ - T₂ = 12°C.
(a) What is the heat flux through a 3 mx 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?
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