板翅式换热器的技术进展

Technical progress of Plate-fin Heat Exchanger

阐述了板翅式换热器在设计理论方面的进展,包括表面传热分析、流动阻力、表面选择、优化设计、计算机辅助设计等。分析讨论了板翅式换热器在制造工艺方面如真空钎焊工艺、不锈钢制和钛制及耐热高合金换热器钎焊工艺、扩散焊工艺的研究进展与存在问题。指出了板翅式换热器在真空钎焊技术和新材料开发方面的前景与方向。

This article describes the progress in design principle of plate-fin heat exchanger.It also discusses the manufacturing process.It suggests the prospect and direction of its application in vacuum braze technology and new material development.