Forced Convection Model Of Fan Plate-Finned Tube Type Heat Exchanger At Low Reynolds Numbers
نویسندگان
چکیده
The forced convection experiment of fan plate-finned tube heat exchangers which are mainly used in air conditioners and the forced convection model have been studied for which the heat transfer effect of this type exchangers has not been proposed by a model. All measurements were made when there is no refrigerant flow in the pipe at Reynolds's number of 580. According to the experiment results, basing on the threshold value that is defined as the strength of virtual average flow of which the free flow velocity capacity was used as a standard, the forced convection effect of the flow between the finned tube set and the fan can be divided into two regions. To fully utilize the heat transfer effect of the fan plate-finned tube heat exchangers, the model of the forced convection is proposed by velocity scale and length scale here.
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