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Answer shows Qtotal and Temperature at inner surface of window. 496W, 0.4°C Ob, 542W, 1.2°C O. 572W, 1.8°C Od. 481W, 0.1°C 512W, 0.6°C

Answer shows Qtotal and Temperature at inner surface of window. 496W, 0.4°C Ob, 542W, 1.2°C O. 572W, 1.8°C Od. 481W, 0.1°C 512W, 0.6°C

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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Consider a 1.0-m-high and 1.75-m-wide glass window with a thickness of 8 mm and a thermal conductivity of 0.78 W/m-K. Determine the steady rate of heat transfer through this glass window and the temperature of its inner surface for a day during which the room is maintained at 29°C while the temperature of the outdoors is -9°C. Take the heat transfer coefficients on the inner surface of the window to be h1 = 12 W/m2-K and outer surfaces of the window to be h, = 44 W/m2-K, which includes the effects of radiation. Answer shows Qtotal and Temperature at inner surface of window. Oa. 496W, 0.4°C Ob. 542W, 1.2°C O, 572W, 1.8°C Od. 481W, 0.1°C 512W, 0.6°C Oe.
Transcribed Image Text:Consider a 1.0-m-high and 1.75-m-wide glass window with a thickness of 8 mm and a thermal conductivity of 0.78 W/m-K. Determine the steady rate of heat transfer through this glass window and the temperature of its inner surface for a day during which the room is maintained at 29°C while the temperature of the outdoors is -9°C. Take the heat transfer coefficients on the inner surface of the window to be h1 = 12 W/m2-K and outer surfaces of the window to be h, = 44 W/m2-K, which includes the effects of radiation. Answer shows Qtotal and Temperature at inner surface of window. Oa. 496W, 0.4°C Ob. 542W, 1.2°C O, 572W, 1.8°C Od. 481W, 0.1°C 512W, 0.6°C Oe.
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