Finned tubes are widely used in heat-exchangers due to high efficiency in the process of heat transfer.
在传热过程中，由于翅片管可提高传热效率，已在换热器中得到广泛的应用。
Analysis and calculation show that the used spiral finned tubes in economizer design would be a more satisfactory solution.
通过分析计算，设计采用螺旋鳍片管式省煤器，使上述问题较好地得到解决。
Traditionally the natural frequencies of finned tubes are calculated by some approximate methods, however, which have an influence on the precision.
对于翅片管的固有频率计算一直采用近似的方法，影响了计算精度和使用。
Engineering practice witnesses that the heat-exchangers used of helix finned tubes instead of that used of smooth tubes is an effective method lightening abrasion.
工程实践中发现，用螺旋翅片管换热器代替光管换热器是一种有效解决磨损问题的方法。
An experimental investigation was done on the characteristics of Refrigerant12flow boiling heat transfer inside the internally spiral-finned tubes (the ISF tubes).
本文以R _(12)为工质，对内螺纹管内r _(12)的沸腾传热特性进行了研究。
Engineering practice witnesses that the heat-exchangers used of spiral finned tubes instead of that used of smooth tubes is an effective method lightening abrasion.
工程实践中发现，用螺旋翅片管受热面代替光管受热面是一种有效解决磨损问题的方法。
The features of plate finned tubes and the methods for calculating the convection heat transfer and sure drop as well as the fin optimization are presented in this paper.
本文介绍了板片式翅片管的特点、放热和气流阻力计算以及翅片的优化问题。
This paper has put forward a new type of finned tubes impact gas-solid separator with enhancing heat transfer behavior which can be used in Circulating Fluldized Bed (CFB).
本文提出了一种应用于循环流化床，兼有强化传热的鳍片管束惯性分离器。
The failure causes of the finned tubes of an ethylene cracking furnace were analyzed, and some corresponding countermeasures were applied to eliminate the failure possibility.
分析了造成乙烯装置裂解炉翅片管开裂的原因，并在实际生产、维修和设计中采取了相应的对策，消除了再次发生类似问题的可能性。
The method comprises the following steps: soaking the machine processing molding integral finned tubes in a degreasing solution to remove grease on the surfaces of the finned tubes;
该方法包括： 将机加工成型整体式翅片管浸泡于脱脂溶液中，除去翅片管表面的油脂；
These can provide a reference on how to determine the natural frequencies of finned tubes, and help to select the finned tubes with appropriate size in the application of engineering.
本研究提供了翅片管固有频率计算方法，为翅片管的选择和使用提供了依据。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
Tests were conducted of the heat transfer and resistance performance of drop-shaped finned tubes and test results obtained under different air velocities and temperatures are presented.
对滴状翅片管的传热及阻力性能进行了试验，给出了不同风速、温度下的试验结果。
The paper shows a new method to use spiral finned tubes in the improvement of boiler economizer so as to solve its leakage problem caused by wear, and gives relevant design and calculation results.
该文针对锅炉省煤器磨损泄漏问题，采用螺旋肋片技术对省煤器进行了改造，并给出了设计计算结果。
The relative sizes of the turn down rims of the fins were determined for the processing characteristics of square finned tubes, the shrink fit technology program of the casing fin tubes was proposed.
针对方形翅片管加工特点，确定了翅片翻边的相关工艺尺寸，提出了套片式翅片管的热套工艺方案。
Also heat transfer property of the interpolation tubes, which have the similar characteristics with the inner finned tube was studies and compared on the condition of sa…
并对与内翅片管结构和特点相近的内插管，在外型尺寸相同、实验条件相同的前提下，进行了传热性能实验研究和比较。
In our studies, three-dimensional internally finned tube (3-d IFT) is a type of new heat transfer enhanced tubes which can be used to enhance single-phase forced convective heat transfer inside tube.
本文所研究的三维内肋管就是应用于各种换热器中单相强迫对流换热的新型强化传热管。
In our studies, three-dimensional internally finned tube (3-d IFT) is a type of new heat transfer enhanced tubes which can be used to enhance single-phase forced convective heat transfer inside tube.
本文所研究的三维内肋管就是应用于各种换热器中单相强迫对流换热的新型强化传热管。
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