空调用湿式热回收装置的热工性能研究

Investigations of the thermal performance of Wet Thermal Recovery Plant Used by Air Conditioning

基于计算流体力学仿真(CFD)方法,针对空调用湿式热回收装置的热质交换特点,建立了空气通道内三维层流流动和传热、传质耦合过程的数学物理模型,探讨了空调用湿式热回收装置空气通道内温度、浓度及压力等参数的分布状况,应用焓效率分析方法对其换热性能进行了评价。结果表明:空调用湿式热回收装置的结构参数对其换热性能及阻力性能有重要影响。该研究对空调用湿式热回收装置的优化设计有一定的参考价值。

Develops a three-dimensional numerical simulation which describes heat transfer and mass transfer process in Wet Thermal Recovery Plant used by Air Conditioning based on the method of Computational Fluid Dynamics （CFD）. The research discusses the distributions of the pressure and the temperature and consistency concentration field in the air channels. The heat transfer, performance is analyzed by enthalpy effectiveness. The results indicate that Structure Parameters of Wet Thermal Recovery Plant used by Air Conditioning play important influence for the heat transfer performance and flow resistance performance. The research conclusion set a foundation for the optimum design of Wet Thermal Recovery Plant used by Air Conditioning.