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。
The fin efficiency of an oval finned heat exchanger is usually calculated by converting the oval finned tube to an equivalent round one in the engineering field.
椭圆管翅式换热器的翅片效率工程上通常是将其转换为圆形翅片管来计算。
It is shown that the fin efficiency, air flow-rate, and fin performance are significantly decreased while pressure of the air side is increased when frosting occurs at the exchanger.
研究发现，换热器结霜引起了翅片效率、空气流通率及翅片性能的显著降低，同时还伴随着空气侧压力降上升。
It shows that the calculation by applying equivalent ellipse will produce a value of fin efficiency on the high side and the fin efficiency decreases with the increase of disturbing flow holes.
结果表明，采用当量椭圆简化矩形翅片使肋效率偏高，增加扰流孔则导致肋效率下降。
The FDM numerical analytic method is applied to calculate the fin efficiency of elliptic tube with rectangular fins on which the disturbing holes were dug by using additional source term technique.
采用有限差分数值分析方法，应用温度逐次更新处理技术对不同扰流孔下的椭圆管矩形翅片的肋效率进行计算。
Round fin; Heat transfer; Exchanger; Fin efficiency;
圆形翅片；传热；换热器； 翅片效率；
Round fin; Heat transfer; Exchanger; Fin efficiency;
圆形翅片；传热；换热器； 翅片效率；
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