A wraparound heat pipe within nanofluid used for air handling unit was presented.The sensible heat ratios were analyzed based on the different filling ratios,air face velocity and air inlet temperature.The result shows that the filling ratios of 66％ have its high thermal efficency with different air face velocities; the air face velocity is lower,the unit has high thermal efficiency.CuO nanoparticles volume concentration increased from 1％ to 3％.The sensible heat ratios gradually increased; the air inlet temperature exceeds 38 ℃.The sensible heat ratios drastically reduced.%将CuO纳米颗粒用于空调机组的嵌入式热管中,研究充液率,迎面风速及空气进口温度对显热效率的影响.研究表明,采用嵌入式热管的空调机组在其设计风速范围内,进口温度为34℃时,充液率为66％,其显热效率最高；迎面风速较低时,显热效率较高,随着CuO纳米颗粒体积浓度的从1％增加至3％时,显热效率逐渐升高；空气进口温度超过38℃,显热效率急剧降低.
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