强化翅片适用性分析

工程热物理学报 , 2004, 25(1): 136-138.

1.清华大学工程力学系,传热强化与过程节能教育部重点实验室,北京,100084

基金项目: 国家重点基础研究发展计划(973计划)(G20000263)

ANALYSIS ON APPLICABILITY OF ENHANCED FINS

提出强化翅片的适用性问题并以管翅式换热器为例进行了讨论,认为管翅式换热器空气侧流路由三要件所组成,即换热器、换热器外部风路和风机,指出强化翅片的效果不仅与翅片自身的性能有关而且与外部风路流阻的相对大小有关.与换热器流阻相比,外部流阻越大,采用强化翅片就越有利.

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