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Evaporative condenser is one kind of high-efficient and energy-water saving heat exchange equipment, which has been widely applied in many engineering fields. The theory and product characteristic of evaporative condenser is introduced in this paper. A new type of the application of evaporative condenser in waste heat recovery is presented. The effect of energy saving is obvious, wide application...
Combining the heat recovery technology of heat pipe and evaporative cooling technology, this article researched a heat recovery heat pipe-type indirect evaporative cooling air-conditioning unit and tested this unit. Based on analyzing we got main perfoprmance factors and best operation parameters. The best ratio of volume of secondary air and primary air is 0.8, the best water delivery is 0.322 m3/h,...
This paper presents the experimental investigation to determine the condensation and evaporation heat transfer coefficients and pressure drops for the flow of R22 through internally grooved copper tubes namely B16-46 and D12-52. A series of experiments were conducted to evaluate the condensation and evaporation performances of the internally grooved copper tubes. Condensation tests were conducted...
According to the application of radiant floor heating, system design, and laying status, this paper advances a design idea of using natural cooling source such as ground water or evaporation cooling water for `free cooling'. Based on the above, a mathematic model of low-temperature radiant floor heating/cooling is constructed. This paper studies the matching of radiant floor's cooling capacity and...
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