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1)  heat exchange ability
换热能力
1.
Results show that the concentrated pitting corrosion has appeared on the surface of fines on the tube bundle,making the surface to be rough,resulting in increase of the air side resistance,at the same time,the heat exchange coefficient being decreased,and the heat exchange ability having been lowered in a certain extent.
8年的管束翅片表面出现密集点蚀,使得表面粗糙而引起空气侧阻力增大,管束换热系数降低,换热能力有一定程度的下降。
2)  Hot exchange ability
热交换能力
3)  solar thermal conversion
太阳能热力转换<能>
4)  heat transfer performance
换热性能
1.
Analysis of the transient heat transfer performance of shell-and-tube heat exchangers;
管壳式换热器瞬态换热性能分析
2.
Influence of soil temperature field on heat transfer performance of vertical U-tube ground heat exchangers
土壤温度场对竖直U形地埋管换热性能的影响
3.
By way of an experiment on air heat exchanger used in the communication equipment plant,obtained the heat transfer performance and pressure drop of the air heat exchanger etc.
对用于通信机房的空气换热器性能进行了的实验研究,在大量实验结果的基础上,得出了该换热器的换热性能和压降等情况;分析了实验结果,认为该换热器具有良好的热工性能和换热效果,在应用中是可行的,值得推广的节能技术。
5)  heat transfer
换热性能
1.
On the basis of quasi-steady approximate method,the problem of freezing was analyzed,and the influence of the ice to the heat transfer performance was discussed by the two parameters which are the equivalent average surface heat transfer coefficient and the ratio of latent heat to sensible he.
采用准稳态近似方法进行了凝固特性的分析,使用当量平均表面换热系数和潜热显热比两个参数讨论了冰层对换热性能的影响。
6)  heat exchanger efficiency
换热效能
补充资料:板翅式热交换器(platewingheatexchanger)
板翅式热交换器(platewingheatexchanger)

铝制板翅式热交换器是在数层平金属板之间紧密地放置波纹状的金属导热翅片,并在每一层的四周加上封条,于温度近600℃的盐溶液炉中整体铅焊而成。翅片的主要作用是强化传热,也有增强两金属板强度的作用,在这种热交换器中相邻两通道之间的热交换,一部分通过平板传递热量,但绝大部分热量是通过波纹翅中传递的,因为平板之间均有波纹翅片,因而大大增加了传热面积,所以它的单位体积内的传热面积比一般管式热交换器大10倍以上,达到4000~5000m2/m3。通过各通道之间的不同组合,可得到逆流、错流等形式的热交换器。它具有单位体积传热面积大、传热效率高、流体阻力小、热容量小、结构紧凑及同时允许几种介质进行热交换等优点。

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