圆形翅片；传热；换热器； 翅片效率；
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。
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.
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 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.
HIMOD系列旗舰型采用了交互“V型”盘管，采用了带内螺纹的铜管及冲缝型翅片，比采用传统式盘管的机组有更高的传热效率。
HIMOD flagship series USES interactive "type v" coil, the internal thread copper tube and punched slotted fin, and heat transfer efficiency is higher than the traditional coil unit.
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。
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.
通过数值模拟得出了X型双向开缝翅片的效率计算曲线。
By numerical method, the fin efficiency curves for X-type two-side strip fin surfaces were achieved.
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。
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.
通过外加套、主轴螺旋翅片和腔内喷头加热形式，热效率达到95%以上，使物料快速充分熟化。
Through the forms of jacket, shaft spiral fin and chamber nozzle heating, the heat efficiency reaches over 95%, which makes the materials quickly and fully aged.
结果表明，错位翅片型板翅换热器是一种传热效率高、占用空间小、节省材料的新型换热器。
The result shows that the offset strip fin heat exchanger is a new - type and high - efficiency exchanger which is higher heat transfer efficiency, more compact and more saving material.
本发明涉及空气调节器技术领域，是一种能提高热交换器热交换效率的空调热交换器翅片结构。
The present invention relates to air conditioner technology, and is especially heat exchanger fin structure capable of raising the heat exchange efficiency of the heat exchanger.
模拟结果表明，热管的管径，管长，管间距和翅片结构均影响热管换热器的换热效率和压力降。
The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.
模拟结果表明，热管的管径，管长，管间距和翅片结构均影响热管换热器的换热效率和压力降。
The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.
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