The first tube was winded pin-fin tube which was improved and self-designed.
第一种是自行改进设计的绕丝针翅管。
A model on the heat transfer of a fin tube radiator aircraft under micro gravity is established.
建立了微重力环境下管肋式空间辐射器传热过程的数学模型。
The formula of drawing force for cold-drawn inner fin tube is derived with slab method in this paper.
采用工程法推导了冷拔内直筋管拔制力的计算公式。
It is device for guiding fin tube that is in fining process. It transfer welded fin tube to outside without machine stop.
此装置在翅片焊接过程中为翅片管的导出装置，即将焊接好后的翅片管传送出来，而机器不用停机。
This paper is an experimental report on heat transfer enhancement of freon-12 dry evaporator using integral internal spiral fin tube.
本文是一篇关于利用整体型内螺旋翅片管强化沸利昂12干式蒸发器传热的试验报告。
This paper studies the pin-fin tube, smooth tube and finned tube on the same wind channel test apparatus through experimental method.
采用实验研究的方法，分别对针翅管，平直翅片管和光管在同一风洞实验台上进行了实验。
The experimental results show that integral internal spiral fin tube is very effective for flow boiling heat transfer of freon dry evaporator.
试验结果表明，整体型内螺旋翅片管用于氟利昂干式蒸发器的流动沸腾传热是非常有效的。
There are fin cutting devices to produce serrated fin tube and cutting speed is controlled automatically depend on welding speed of tube dancer.
开齿机将翅片切开，可生产出锯齿形翅片管。剪切速度，根据辊子输送管子后焊接的速度自动控制。
One of the fundamental measures to simplify a boiler enclosure and to improve its gas tightness is to use the welded broad-fin tube wall construction.
解决锅炉烟气侧严密性和简化炉衬的根本措施之一，是采用全焊膜式壁结构。在炉膛部分，应用膜式水冷壁已有多年运行经验，已作为成熟结构普遍采用。
Experimental results proves that the theoretical values are close to those measured, so this formula can be used in production of cold-drawn inner fin tube.
实验结果证明，理论计算值与实测值较吻合，因而，该公式可在冷拔内直筋管的生产中应用。
The performance and hysteresis of boiling heat transfer of T-tube with different opening, low fin tube, and two kind of plain tubes have been studied experimentally.
本文报道了几种不同平均开口度的T管、低肋管和光管的沸腾传热性能及沸腾滞后现象。
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.
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。
The experience relationship between fin-height and rough tube wall-thickness for cold-drawn outer-spiral-fin tube is established with many-membered Iinear regression in this paper.
利用多元线性回归建立了冷拔外螺纹铜管凸筋高度与坯料壁厚之间的经验关系式。
The mechanism of High speed spin drawing for manufacturing copper inner fin tube is studied systematically, especially the process and parameters of inner fin formation arc analysed.
对内螺纹理片铜管的高速旋压拉伸成形加工机理进行了系统研究，分析了加工过程及参数。
Based on more than 60 years of direct experience and research, GEA has developed and optimized fin tube systems with features particularly beneficial to the operation of vacuum steam condensers.
根据60年的经验和研究，GEA已经开发出采用对真空蒸汽冷凝器的运行有利的管道系统。
The air cooler is designed of nullity fin oval stainless steel bellows tube bank replacing conventional fin tube bank. It is a technological innovation designing and manufacturing of The air cooler.
空气冷却器采用无翅片椭圆不锈钢波纹管管束替代传统的翅片管管束，是空气冷却器设计制造的技术革新。
This relationship can be used to forecast and control the fin-height of the outer-spiral-fin tube, and it has referenced value for the working-out of the technics for cold-drawn outer-spiral-fin tube.
该关系式可对外螺纹铜管凸筋高度进行预测与控制，对外螺纹铜管冷拔工艺的制订具有参考价值。
Fin electric heating tube heater: large thermal inertia, stable heating power, not blocking the air flow channel, wide heating range, long service life.
翅片电热管加热器：热惰性大、加热功率稳定、不堵塞空气流通通道、加温范围宽、使用寿命长。
This kind of fin is applicable to the fin-tube cooling heat exchanger and the effect of heat transfer is perfect.
证明该圆孔翅片是一种适用于翅片管式制冷换热器且传热效果优越的片型。
The experimental results are collected and compared on single experimental pipe, cross tube bundle, rectangle and triangle cross fin-tube.
对单根试验管、叉排管束、矩形截面超片管和三角形截面翅片管的试验结果进行了综合比较。
The elliptical fin-tube is the cooling element of direct air cooler tubing.
椭圆翅片管是直接空冷器管束上的冷却元件。
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.
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。
The quality requirement on hot-dipped galvanizing for elliptical fin-tube is analyzed, and the method to control the quality of hot-dipped galvanizing is put forward.
本文将针对椭圆翅片管的热浸锌质量要求进行分析，并阐述如何进行椭圆翅片管的热浸锌质量控制。
The volumetric heat transfer capacity of plate cooler is 1.5 times as that of fin-tube cooler and 15 times as that of tube cooler.
板式空冷器单位体积换热量约是翅片管式空冷器的1.5倍，是光管式的15倍；
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.
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 electric hot air curtain machine can be divided into two types of semiconductor thermal sensitive ceramic heater and a fin electric heating tube heater according to different heating materials.
电热风幕机根据加热材料不同可分为半导体热敏陶瓷加热器和翅片电热管加热器两种。
A general steady distributed parameters model of fin-and-tube heat exchanger with complex refrigerant circuits was developed based on two-phase fluid network.
基于两相流体网络，建立了针对具有复杂流路布置的翅片管换热器稳态通用分布参数仿真模型。
A general steady distributed parameters model of fin-and-tube heat exchanger with complex refrigerant circuits was developed based on two-phase fluid network.
基于两相流体网络，建立了针对具有复杂流路布置的翅片管换热器稳态通用分布参数仿真模型。
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