Optimization of core structure and stress analysis of printed circuit plate heat exchangers
ZHOU Yinfeng
QIANG Xiangmin
YANG Qing
ZHU Xiaolin
HE Xudong
YUAN Yi
WANG Bo
Abstract：Based on Ansys software,taking the printed circuit board heat exchanger of a certain project as the research object,the structural optimization analysis of the high-pressure 18 MPa cold side flow channel is carried out.The thermal stress load of the temperature field of the printed circuit board heat exchanger is added in the preferred structure.The thermal stress and mechanical stress results of the cold and hot channels of the core are analyzed to verify the rationality of the core design.The results show that by selecting two cross-sectional shapes,namely rectangular and circular,adjusting the thickness of the plate and the width of the ribs,etc.It is found that the effect of the circular channel is significantly better than that of the rectangular one.The thickness of the cold side plate is comprehensively optimized to be 1.1 mm and the width of the ribs to be 0.2 mm.After optimization,the material usage was reduced by 51.35%,but it could still meet the performance requirements.The equivalent stress of the cold side steam flow channel is generally higher than that of other parts.Stress concentration occurs at the weak points on the wall surface of the steam side flow channel,and the maximum stress meets the strength design requirements.
Keywords：printed circuit plate heat exchangerstructure optimizationstress analysisnumerical simulation
Publication Date：2025-05-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 66-69 )