6. A vertical plate 450 mm high and maintained at 30°C is exposed to staturated steam at atmospheric pressure. Calculate: (1) The rate of heat transfer, and (i) The condensate rate per hour per metre for plate width film condensation. The properties of water film at the mean temperature are: p=980.3 kg/m' ; k 66.4 x 10 Wm°C; u 434 x 10 kg/ms; and h,-2256.9 KJkg [Ans. 439.9 x 10' kJh, 218.8 kgh)
6. A vertical plate 450 mm high and maintained at 30°C is exposed to staturated steam at atmospheric pressure. Calculate: (1) The rate of heat transfer, and (i) The condensate rate per hour per metre for plate width film condensation. The properties of water film at the mean temperature are: p=980.3 kg/m' ; k 66.4 x 10 Wm°C; u 434 x 10 kg/ms; and h,-2256.9 KJkg [Ans. 439.9 x 10' kJh, 218.8 kgh)
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 8.34P
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6. A vertica platc 450 mm high and maintained at 3°C is exposed o satuated seam atatmospheric pressare. Calculte: (1) The rate of hea ransfe, and () The condensate a per hour per mete for plae widih film condensation. “The propertiesof waer im at the mean temperaure are: 0.3 kg/m sk = 6.4 x 10 WinC; = 434 x 10° kg/ms; and b = 22569 kg [Ans. 4399 x 10° kI, 2188 ke/h]
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