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首先通过对比南京某办公建筑典型房间室内热环境的实测值(含过渡季自然通风工况和夏季空调+风扇工况)和基于CFD软件PHOENICS的模拟值,验证了模拟方法的可行性;然后重点研究在办公建筑中将空调与电风扇相结合的室内热环境调节策略,基于PHOENICS对不同调控方案(空调+吊扇、空调+落地扇)进行模拟,分析对人体热舒适的影响;最后运用建筑能耗模拟软件De ST定量评价各调控方案的节能潜力。研究结果表明:在办公室内通过适当调高空调设定温度并利用电风扇来提高室内空气流动速度,可在满足热舒适的同时显著降低空调能耗;相对湿度为60%时,相对于仅采用空调的方案,空调+落地扇的调节策略可在满足热舒适的同时实现节能53.7%。
First of all, by comparing the measured value of the indoor thermal environment in a typical room of an office building in Nanjing (including the natural ventilation in the transitional season and the summer air-conditioning + fan operating conditions) and the simulation based on the PHOENICS CFD software, the feasibility of the simulation method is verified; This paper studies the indoor thermal environment adjustment strategy that combines air conditioners and electric fans in office buildings. Based on PHOENICS, it simulates different control schemes (air conditioning + ceiling fans, air conditioning + floor fans) to analyze the thermal comfort of human body. Finally, DeST simulation software De ST quantitative evaluation of energy-saving potential of various control programs. The results show that the air conditioning energy consumption can be significantly reduced while meeting the thermal comfort by increasing the temperature of the air conditioner and using the electric fan to increase the indoor air flow rate in the office. When the relative humidity is 60% Air conditioning options, air-conditioning + floor fan adjustment strategy can achieve thermal comfort while saving 53.7%.