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O heat Source %3D 140°C Given: composite wall (3 layers) Corerete rock pory methane

O heat Source %3D 140°C Given: composite wall (3 layers) Corerete rock pory methane

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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O heat \-140°C source Civen: composite wall (3 layers) Pory unethane board corere te rock (15 cm, wool k>0.762 (0.5 cm , (0.38cm, WIm2 K k= 0.0397 w [m" K Tconue te 0.03 92 m²K 32°C Cxposed to air and heat soure Emirr ivity %3D -0.90 Sowe: 1. given conyeetiye heat trans fer 8,23 (w /m k), coeficint oo nside air %3D diefermine temperature in side aiv at end of com posite wall heard transfer 2. Sue thermal radiation to (negleck natual Convection) 3. using heat transfer from # 2, in SONE mtergace temperature, temperant ure innermost wall
Transcribed Image Text:O heat \-140°C source Civen: composite wall (3 layers) Pory unethane board corere te rock (15 cm, wool k>0.762 (0.5 cm , (0.38cm, WIm2 K k= 0.0397 w [m" K Tconue te 0.03 92 m²K 32°C Cxposed to air and heat soure Emirr ivity %3D -0.90 Sowe: 1. given conyeetiye heat trans fer 8,23 (w /m k), coeficint oo nside air %3D diefermine temperature in side aiv at end of com posite wall heard transfer 2. Sue thermal radiation to (negleck natual Convection) 3. using heat transfer from # 2, in SONE mtergace temperature, temperant ure innermost wall
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