Patent ID: 11971223
Assignee: XI'AN JIAOTONG UNIVERSITY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A modular square-circular composite channel printed circuit heat exchanger, comprising: a shell, the shell being divided into an inlet diverter section, a first parallel heat exchange section, a heat exchanger core section, a second parallel heat exchange section, and an outlet combiner section from left to right, wherein a plurality of square fin channels and circular mini-channels are uniformly arranged in the shell along a length direction of the shell, the plurality of square fin channels all penetrate through the first parallel heat exchange section, the heat exchanger core section, and the second parallel heat exchange section sequentially, the plurality of circular mini-channels all penetrate through the shell, a periphery of each square fin channel in the heat exchanger core section is provided with at least three circular mini-channels for exchanging heat with the square fin channel, and a ratio of a number of the square fin channels to a number of the circular mini-channels is greater than one.