本文以空气和水为流动介质，在空气进口流速um=1—6m／s的范围内，在适体坐标系下，采用耦合数值计算的方法，对圆管管翅式换热器肋侧换热系数进行数值求解，并与实验值相比较。结果表明本文提出的采用换热器总传热系数K1求解得到的肋侧换热系数与实验值最为接近，从而验证了本文提出的数值方法的准确性和可靠性。
The heat transfer coefficient on the fin side surface in circular tube bank fin heat exchanger was studied by using the conjugated simulation method in body-fitted coordinate system with the inlet air flow rate ranging from 1 m/s to 6 m/s in this paper. The numerical results were compared with the experimental results, and the discrepancies were presented in this paper. The results reveal that heat transfer coefficient on the fin side surface obtained by using the overall heat transfer coefficient K1 agrees well with the experimental results, so the accuracy and reliability of this numerical method proposed in this paper can be verified.
参考文献
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