The complication is that the value of h depends on temperatures, fluid-velocity, and the area, shape, orientation, and roughness of the plate surface. A value of h for a 1 m by 1 m plate will usually be larger (and never smaller) than h for a 2 m by 2 m plate under otherwise identical conditions. The larger plate will transfer more heat because it has four times the area of the smaller plate
Feb 01, 2009 · In this study, in order to increase heat transfer in plate type heat exchanger by passive method, rectangular fins are located on the plates. In this manner, flow path of the fluid and surface area of the plates is increased. Nusselt number, the efficiency, pressure drop and
Numerical Investigation of Finned-tube Heat Exchanger Rectangular tube in heat exchanger is a new concept. This type of tube is used as a duct in air conditioning system. It is used to increase the heat transfer area which additionally enhance heat transfer. In this present analysis, fluid streams remain separate and the heat transfer takes place continuously through a dividing impervious wall.
shell. Although OSPHE is different from the conventional rectangular plate heat exchanger, the underlying flow channels through heat exchanger are the same as the conventional plate heat exchanger. The effects of the refrige-rant mass flux, average heat flux, refrigerant saturation temperature and vapor quality of R-410A on the measured data
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