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摘要 通过建立毛细管席的三维流-固耦合换热模型，应用CFD软件进行数值计算，分析各因素对供冷能力的影响和毛细管内水温变化规律，为毛细管席产品优化和设计参数的确定提供参考。 关键词 毛细管席 换热性能 水温变化规律 数值模拟 Numerical simulation and analysis on thermal performance of ceiling cooling U-tube capillary mats By Li Qing, Liu Jinxiang, Chen Xiaochun, Xu Wenlong, Ding Gao and Pan Yungang Abstract Establishes the three-dimensional fluid-solid coupled model of capillary mats, and analyses the impact of various parameters on the cooling capacity and the variation of water temperature of capillary mats by CFD method. obtains some conclusion helpful in optimization and design of capillary mat products. Keywords capillary mat, heat transfer performance, variation regularity of water temperature，numerical simulatio