Thermodynamics in Nuclear Power Plant Systems by Bahman Zohuri & Patrick McDaniel

Author:Bahman Zohuri & Patrick McDaniel
Language: eng
Format: epub
ISBN: 9783319939193
Publisher: Springer International Publishing

Problem 12.27

Water at atmospheric pressure and saturation temperature is boiled by using an electrically heated, circular disk of diameter D = 20 cm with the heated surface facing up. The surface of the element is maintained at a uniform temperature T w = 110 °C. Calculate:

(a)The surface heat flux

(b)The rate of evaporation

(c)The peak heat flux

Problem 12.27

Saturated water at T v . = 100 °C is boiled with a copper heating element having a heating surface A = 4 × 10−2 m2 which is maintained at a uniform temperature T w = 115 °C. Calculate the surface heat flux and the rate of evaporation.

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