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空气处理机组实际运行过程中的参数变化对换热特性有较大影响。通过模拟计算得出了各种工况条件下的一次回风定风量空气处理机组的换热特性变化规律和变风量空气处理机组的换热特性。结果表明,冷却盘管入口空气参数和入口水温的变化对定风量空气处理机组的换热特性影响显著,而冷却盘管入口空气参数对变风量空气处理机组几乎没有影响。
The change of parameters during the actual operation of the air handling unit has a great influence on the heat transfer characteristics. Through the simulation calculation, the changing regularity of heat transfer characteristics and the heat transfer characteristics of the VAV air handling units under various operating conditions were obtained. The results show that the change of inlet air temperature and inlet water temperature of cooling coil have a significant influence on the heat transfer characteristics of constant air volume air handling unit while the inlet air parameters of cooling coil have almost no effect on the air handling unit with variable air volume.