在实验范围内，花瓣管翅片高度的增加、翅间距的减少都有利于传热强化性能的提高。
Within the range of experiment, increasing fin height or decreasing spacing of fins of petal-shaped fin tube is helpful to improve the performance of heat transfer enhancement.
山东大学能源与动力工程学院做过一些相关的研究工作，主要是单管翅片间浓度场和速度场的研究。
Some research about the concentration and velocity between two adjacent fins has been observed by researchers of Energy Source and Power Engeering School of Shandong University.
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.
盘管的标准型式均为铜管串铝翅片结构，采用机械胀管。表冷段设计有倾斜式排水盘，保证彻底排尽水盘中的凝水。
All standard coils are mechanically expanded copper pipes plus aluminum fins. The surface cooling section is equipped with a pitched discharge coil to ensure complete discharge of condensed water.
然后通过三种限制条件对不同翅片间距、不同管排数和不同管数下的换热板芯的传热性能进行了比较。
The comparison of heat transfer performance with three different fin spacing, three different Numbers of tube rows and three different Numbers of tubes under three constraints is carried out.
为了考察这类翅片的性能特征，对9种不同几何参数的单排肋管式换热器样件在吸风式直流热风洞内进行了实验。
To investigate the performance characteristics of these fins, 9 single row finned tube heat exchangers sample were tested in a suction opened circuit thermal wind tunnel for a number of geometers.
矩形翅片椭圆管，即双排管是直接空冷凝汽器的一种基本换热元件。
The elliptical tube with rectangular plate fin, which is usually called double row tube, is one kind of basic heat exchange element for direct air cooled condensers.
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.
然而翅片高度、翅片夹角和管排间距则对翅片管的散热性能影响很大，分别存在最优的几何尺寸。
However the fin height, fin Angle and distance of finned tube have the large influence to the finned tube heat, all of them exist the optimal geometrical dimensions.
H型鳍片管换热器是一种新的翅片型式的换热器，具有较高的强化传热能力和优良的不积灰性能，其应用日趋增多。
So it has great practical significance to study the heat transfer and friction characteristics of the H-type finned tube heat exchanger.
运 噪资管采用新型翅片资资， 资特殊防资资理，大大降低资阻， 少资机消耗；
The coil features a new type of specially processed antirust fins which can greatly reduce air resistance and motor power consumption.
运 噪资管采用新型翅片资资， 资特殊防资资理，大大降低资阻， 少资机消耗；
The coil features a new type of specially processed antirust fins which can greatly reduce air resistance and motor power consumption.
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