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利用CFD计算软件对某商业建筑室外机凹槽的热环境进行了数值模拟,结合理论计算结果,对比分析了不同室外机外百叶间距和百叶倾角对凹槽内室外机的热环境的影响。结果表明,当百叶间距增大到80mm时,可以基本消除室外机外百叶对空调出口气流的阻碍影响。同时,为了减少走廊下垂墙壁对气流的阻碍效果,室外机外百叶的下倾角应控制在10°左右。
Using CFD software to simulate the thermal environment of the groove of a commercial building outdoor unit, the influence of different louver spacing and louver inclination on the thermal environment of the outdoor unit in the groove is analyzed and compared with the theoretical calculation results. The results show that when the louver spacing is increased to 80mm, the influence of the louvers on the outlet of the air conditioner can be basically eliminated. In the meantime, in order to reduce the obstruction effect of sagging walls on the air flow in the corridor, the downtilt angle of the louver in the outdoor unit should be controlled at about 10 °.