Consider a horizontal 0 7 m wide and 0 85 m long plate in a room at 30C Top side of the plate is insulated while the bottom side is maintained at 0C The rate of heat transfer from the room air to the plate by natural convection is (a) 36 8 W (b) 43 7 W (c) 128 5 W (d) 92 7 W (e) 69 7 W (For air, us...

we can use the following steps Calculate the characteristic length The characteristic length for a h ...

Consider a horizontal 0.7-m-wide and 0.85-m-long plate in a room at 30C. Top side of the plate

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Consider a horizontal 0.7-m-wide and 0.85-m-long plate in a room at 30ºC. Top side of the plate is insulated while the bottom side is maintained at 0ºC. The rate of heat transfer from the room air to the plate by natural convection is
(a) 36.8 W

(b) 43.7 W

(d) 92.7 W

(e) 69.7 W
(For air, use k = 0.02476 W/m · K, Pr = 0.7323, v= 1.470 × 10^-5 m²/s)

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Heat And Mass Transfer Fundamentals And Applications

ISBN: 9780073398181

5th Edition

Authors: Yunus Cengel, Afshin Ghajar

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Question Posted: Sep 16, 2023 04:35 AM

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Consider a horizontal 0.7-m-wide and 0.85-m-long plate in a room at 30C. Top side of the plate

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Heat And Mass Transfer Fundamentals And Applications

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