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使用CFD数值模拟软件,进行数值模拟和分析,探索办公室建筑房间内方形散流器的送风角度对室内热舒适度的影响.采用温度不均匀系数、速度不均匀系数、空气分布特性指标ADPI和能量利用系数等作为人体热舒适度的综合评价指标.根据用户对工作区域的热环境要求,可合理选择不同角度的方形散流器:如对温度均匀性要求较高,应选择送风角度为50°;如对速度均匀性要求较高,应选择送风角度40°;如对热舒适性要求较高,应选择送风角度为30°~40°;如果对建筑节能效果要求较高,应选择送风角度为60°~70°.
Using CFD numerical simulation software, numerical simulation and analysis are carried out to explore the effect of air supply angle of square diffuser in indoor office building on indoor thermal comfort.Using the temperature nonuniformity coefficient, velocity nonuniformity coefficient, air distribution characteristic index ADPI and Energy utilization coefficient as a comprehensive evaluation of human thermal comfort index.According to the user’s thermal environment requirements of the work area, a reasonable choice of different angles of the square diffuser: If the temperature uniformity is higher, you should choose the air supply angle 50 °; If the speed uniformity requirements are high, the air supply angle should be 40 °; if the thermal comfort is higher, the air supply angle should be 30 ° -40 °; if the energy efficiency of the building is high, Should choose the air supply angle of 60 ° ~ 70 °.