管肉厚を考慮したマイクロベアチューブ熱交換器の熱連成解析

抄録

The heat exchanger with the micro tube group is performed heat exchange by flowing air orthogonally to the micro tube group. In the conventional heat transfer analysis, since the wall thickness of the tube is very thin, the analysis has been carried out by applying isothermal conditions to the side of the tube. However, due to the recent digitization of processing technology, the wall thickness of these tubes is increasing. In this study, Heat transfer analysis of the micro tube group with different wall thickness is performed by changing Reynolds number between solid and fluid, and calculated Temperature distributions in the axial direction inside the tube and Heat flow rate in each tube row.