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In this paper, the aerodynamic performances of the muffler combined with jet and impedance, the resistance-loss, are mainly investigated. The relationships between resistance-loss and structure parameters have been analyzed in detail. The resistance-loss has been analyzed based on the experiments. The conclusions show that the muffler combined with jet and impedance has advantage that is small resistance-loss...
In this paper, the flow and heat transfer of pulsating flow under low vibrational Reynolds number in a transverse tube were studied through numerical simulation method. The results showed that: the sine (or cosine) fluctuation of outlet pressure was produced by pulsating flow, furthermore, the fluctuate scope increased with increasing amplitude and frequency of pulsating flow; under low velocity and...
Heat transfer performance of heat pipe heat exchanger affected by many factors, such as the opening temperature of the heat pipe, the rate of fluid-filled, the physical nature of liquid refrigerant, the work temperature of tube, angle, tube spacing, tube length, hot and cold fluid flow and wind speed. The above-mentioned parameters can not be measured because of Test conditions, therefore, this article...
Through investigation and theoretical analysis, the author designed a condensed water system of household air-conditioner. Focus on how to solve droplets flow of condensed water of outdoor unit of household air conditioner. For the hot summer and cold winter areas, the winter season or the transition season need for heating, the outdoor unit does not have a set of condensation of water pipes and drip...
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