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依据蓄热式热交换器的换热实验，证实了在结构一定时，换向时间和流经热交换器截面的流量，是影响蓄热式热交换器换热效率的两个重要因素；研究得出的热交换器效率的计算式可较精确地描述效率和换向时间之间的定量关系。为蓄热式热交换器的进一步理论研究、设计和操作提供了重要的参考依据。
According to the heat transfer experiment of regenerative heat exchanger, it is confirmed that the commutation time and the flow through the cross section of the heat exchanger are two important factors that affect the heat transfer efficiency of the regenerative heat exchanger when the structure is constant. The resulting calculation of heat exchanger efficiency gives a more accurate description of the quantitative relationship between efficiency and commutation time. It provides an important reference for further theoretical research, design and operation of regenerative heat exchanger.