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摘要 　分析计算了采用不同空气换热器组合方案时CC/DV系统和CC/MV系统的新风能耗，指出两个空气热回收装置组合使用可以消除新风再热能耗，但在夏季湿热地区，排风潜热回收比消除新风再热能耗更重要，应尽可能使用全热空气换热器。 关键词 冷却顶板空调系统 湿负荷 再热能耗 空气换热器 Energy saving potential of air heat exchanger in chilled ceiling air conditioning systems By Zhong Ke, Zhao Jingde and Kang Yanming Abstract Calculates the fresh air energy comsumption of chilled ceiling system combined with displacement ventilation and mixing ventilation respectively by adopting different air heat exchanger combination schemes. The results indicate that the double air heat exchangers used simultaneously in ventilation system can eliminate the energy wasted in reheating of fresh air, and that the latent heat recovery of exhaust air is more important than eliminating reheat energy of fresh air in hot-humid area in summer. Therefore, the total heat exchanger should be used prior to others. Keywords chilled ceiling air conditioning system, moisture load, energy wasted in reheating, air heat exchanger