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)

Elements Of Electromagnetics
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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]
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 10-3 W/m°C; u = 434 x 10 kg/ms; and h, = 2256.9 kJkg
[Ans. 439.9 x 10° kJh, 218.8 kg/h]
Transcribed Image Text: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 10-3 W/m°C; u = 434 x 10 kg/ms; and h, = 2256.9 kJkg [Ans. 439.9 x 10° kJh, 218.8 kg/h]
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