... 内肋 inner fin 肋效率 fin efficiency 冷（热）媒流速 velocity of cooling or heating medium ...
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However, it should be pointed out that the temperature difference irreversibility of heat transfer is also maximal here, namely, it is not the thermodynamic ideal state from the thermodynamic viewpoint. Therefore, the conventional definition of fin efficiency is unreasonable.
然而,应当指出的是,如从热力学的观点出发,此时肋片换热的温差不可逆性也最大,即此时并不是热力学上的理想状态,因此常规的肋效率的定义缺乏科学性,同时常规的肋效率定义没有考虑流阻的影响,从而有必要重新认识及定义肋片的效率。
参考来源 - 外部流动对流换热的（火用）传递特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Round fin; Heat transfer; Exchanger; Fin efficiency;
圆形翅片； 传热； 换热器； 翅片效率；
Emphasis is laid on the effect of tube distance and fin thickness on fin efficiency.
重点分析了圆管与扁管管间距、肋片厚度对肋效率的影响。
By numerical method, the fin efficiency curves for X-type two-side strip fin surfaces were achieved.
通过数值模拟得出了X型双向开缝翅片的效率计算曲线。
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