一种具有复合流道组合的PCHE换热芯、车载核电源，涉及热交换技术领域，特别涉及换热器技术领域。解决PCHE换热芯在运行过程中存在流量分配不均匀、导致换热能力不平衡的问题。本发明包括换热通道，所述换热通道包括Zigzag流道系统、半圆截面正弦型流道系统和矩形截面正弦型流道系统；所述Zigzag流道系统设置在换热芯体的中心；所述半圆截面正弦型流道系统设置在述Zigzag流道系统的周围；所述矩形截面正弦型流道系统设置在所述半圆截面正弦型流道系统的周围。本发明适用于车载核电源的换热器技术领域。

A kind of PCHE heat exchange core with composite flow channel combination and vehicle nuclear power supply is involved in the field of heat exchange technology, especially in the field of heat exchanger technology. Solve the problem of uneven flow distribution and unbalanced heat transfer capacity in the operation of PCHE heat exchange core.The invention includes a heat exchange channel, which includes a Zigzag flow channel system, a semi-circular cross-section sinusoidal flow channel system and a rectangular cross-section sinusoidal flow channel system. The Zigzag flow channel system is set at the center of the heat exchange core ; the semi-circular cross-section sinusoidal flow channel system is set around the Zigzag flow channel system. The rectangular cross-section sinusoidal flow channel system is arranged around the semi-circular cross-section sinusoidal flow channel system. The invention is suitable for the heat exchanger technology field of vehicle nuclear power supply.