Calculated results of the ideal heat transfer efficiency of PFHE indicate that the flow distribution is of first-order importance to the heat transfer efficiency.

• 通过对比研究带原始和改进型封头板翅换热器的换热效能发现：封头结构改进引起的换热器内部物流分配均匀性的提高，在一定程度上提高了换热器的换热效能。