2. A glass window and a thickness has an area of 5.5 ft² of 5 mm. If one side is at a temperature of 45° F and the other is at 23° F, how much thermal energy (BTU/year) flows through the window in one year? The thermal conductivity of glass is 1.89x10-4 kcal/m-s-K.
2. A glass window and a thickness has an area of 5.5 ft² of 5 mm. If one side is at a temperature of 45° F and the other is at 23° F, how much thermal energy (BTU/year) flows through the window in one year? The thermal conductivity of glass is 1.89x10-4 kcal/m-s-K.
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.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.26P
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![2. A glass window has an area of 5.5 ft²
and a thickness of 5 mm. If one side is
at a temperature of 45° F and the other
is at 23 F, how much thermal energy
(BTU/year) flows through the window in
one year? The thermal conductivity of
glass is 1.89x10-4 kcal/m-s-K.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f7f1617-0f71-4340-a08d-83f0c9fae809%2F22c82f54-5e97-4193-8688-d7ae757dd439%2Ffvqk554_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A glass window has an area of 5.5 ft²
and a thickness of 5 mm. If one side is
at a temperature of 45° F and the other
is at 23 F, how much thermal energy
(BTU/year) flows through the window in
one year? The thermal conductivity of
glass is 1.89x10-4 kcal/m-s-K.
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