The condenser of a steam power plant consists of AISI302
Chapter 10, Problem 10.55(choose chapter or problem)
The condenser of a steam power plant consists of AISI302 stainless steel tubes (ks?15 W/m?K), each ofouter and inner diameters Do?30 mm and Di?26 mm, respectively. Saturated steam at 0.135 bar con- denses on the outer surface of a tube, while water at amean temperature of Tm?290 K is in fully developedflow through the tube.(a) For a water flow rate of ?0.25 kg /s, what is theouter surface temperature Ts,oof the tube and the rates of heat transfer and steam condensationper unit tube length? As a first estimate, you mayevaluate the properties of the liquid film at thesaturation temperature. If one wishes to increasethe transfer rates, what is the limiting factor thatshould be addressed?(b) Explore the effect of the water flow rate on Ts,oand the rate of heat transfer per unit length.
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