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论文类型：期刊论文

发表时间：2022-06-29

发表刊物：Journal of Southeast University

所属单位：建设工程学部

期号：2

页面范围：222-226

ISSN号：1003-7985

摘要：In order to increase cooling or heating efficiency,a porous computational fluid dynamics(CFD)model is employed to predict the thermo-fluid status and optimize the placement of outdoor units.A full scale model is established to validate the accuracy of CFD simulation in terms of velocity and temperature distributions.The comparison between the measurement and the simulation shows a good agreement.By evaluating the condensers' sucked air temperature with CFD for three units installed in a row,it is found that the minimum separation distance among neighboring units is 0.2 m;a vertical wall should be apart from the unit line by at least 0.8 m;and large different operating pressures among units do not impact the flow rate and the heat transfer of the other units meaningfully.

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