一次回风送风再热与新风预冷互补的节能研究

Heating Ventilating & Air Conditioning(2020)

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Abstract
对于一次回风空调系统,夏季工况,当空调区湿负荷较大时,采用露点送风只能保证设定温度,而湿度将会偏大,影响人体热舒适;若增加再热,又会出现冷热抵消现象.提出了利用室外新风热量再热来改善室内热舒适状况的方案.通过工程案例计算分析,结果表明:利用新风再热可减少再热送风系统6%~15%的能耗,认为送风再热与新风预冷互补措施能在一定程度上降低空调能耗,提高室内热舒适.
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