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   staggered tube bundles 的翻译结果: 查询用时:0.201秒
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staggered tube bundles
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  错列管束
     During the tests the two-phase gap-flow Reynolds number ranges from 2.0×10 4~6.0×10 4 and the range of void fraction, from 0 - 0.3. By way of experimental analyses the Strouhal number of two-phase flows was determined in staggered tube bundles with different layout modes.
     试验时两相隙缝流Re数范围为 2 .0× 10 4~ 6 .0× 10 4,含气率的范围在 0~ 0 .3之间。 通过试验分析获得了不同排列形式的错列管束中两相流斯特拉赫数 ;
短句来源
     Characteristics of Fluid Resistance of the Crossing Staggered Tube Bundles of the MSW Boiler
     废弃物锅炉错列管束的流动阻力特性
短句来源
     CHARACTER OF CONVECTIVE HEAT TRANSFER OF STAGGERED TUBE BUNDLES IN THE MSW BOILER
     废弃物焚烧锅炉内错列管束的对流换热特性
短句来源
     In order to study the character of fluid resistance of the high moisture flue gas crossing staggered tube bundles, experiment of 108 different conditions has been done.
     为给计算废弃物锅炉中的错列管束受热面的流动阻力提供参考 ,并就高水分烟气中水分浓度和几何结构的改变对流动阻力影响的一些机理进行了探讨 ,搭建一实验台 ,共做了 1 0 8种工况的实验。
短句来源
     The cause of cracking on tube sheet is analyzed based on the imbalance and vortex separation character of gas-liquid two-phase flow, such as calculation of basic parameters, and analysis of statics and kinetic imbalance, vortex separation character, and the two-phase flow acting force on staggered tube bundles.
     从汽液两相流的不稳定性和旋涡脱落特性两方面分析管板开裂的原因,如两相流的基本参数的计算、两相流的静力学不稳定性和动力学不稳定性分析,两相流不稳定性的后果、旋涡脱落特性分析、错列管束上的两相流体作用力分析.
短句来源
  “staggered tube bundles”译为未确定词的双语例句
     A Study of Heat Transfer Performance and Flow-resistance Characteristics of Staggered Tube Bundles Composed of Spirally Fluted Tubes
     螺纹槽管错排管束的传热特性及流动阻力特性研究
短句来源
  相似匹配句对
     TUBE HOUSING
     管式住宅
短句来源
     Modular Tube
     组像管
短句来源
     Characteristics of Fluid Resistance of the Crossing Staggered Tube Bundles of the MSW Boiler
     废弃物锅炉错列管束的流动阻力特性
短句来源
     A Structural Analysis of the Staggered Truss and Frame-Tube in Tube System
     跳层桁架-框架-筒中筒结构分析
短句来源
     Study on Dynamic Properties of Steel-Staggered-Floor Framed Tube Structure
     框筒钢夹层结构的动力特性分析
短句来源
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  staggered tube bundles
It is concluded that flow characteristics in staggered tube bundles are determined by the interaction between the von Karman vortex street and X-shaped interacting main streams.
      
An experimental study is recorded in the present paper which investigates the interaction of von Karman vortices and intersecting main streams in staggered tube bundles.
      
Applications of staggered tube bundles are abundant in industry, for example as heat exchange devices like the shell-and-tube type and fuel bundles in nuclear reactor cores.
      
Flow visualization, heat transfer and pressure drop characteristics in flow through staggered tube bundles have been regarded as classical, with results well-documented.
      
Interaction of von Karman vortices and intersecting main streams in staggered tube bundles
      
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The theoretical research on heat transfer from horizontally staggered tube bundle in fluidized bed has not been found. For this reason,on the basis of experimental research,the paper puts forword and sets up a new methematic model,which gives good prediction to the local heat transfer coefficients and its variation around the tube surnace.

鉴于目前尚无有关流化床内水平错排管束局部传热特性的理论研究,本文在实验研究的基础上提出并建立了流化床与水平错排埋管间局部传热的数学模型,此模型对沿管周向局部换热系数及其变化规律给出了很好的定量预示,具有较强的实用性。

In order to study the character of fluid resistance of the high moisture flue gas crossing staggered tube bundles, experiment of 108 different conditions has been done. Experiment shows that the fluid resistance of the high moisture flue gas is less than the air’s under the same conditions. This is because that the thickness of the velocity laminar layer of the high moisture flue gas is thicker than the air’s. The fluid resistance increases when the latitudinal pitch decreases or the longitudinal pitch...

In order to study the character of fluid resistance of the high moisture flue gas crossing staggered tube bundles, experiment of 108 different conditions has been done. Experiment shows that the fluid resistance of the high moisture flue gas is less than the air’s under the same conditions. This is because that the thickness of the velocity laminar layer of the high moisture flue gas is thicker than the air’s. The fluid resistance increases when the latitudinal pitch decreases or the longitudinal pitch is increased. The result of experiment can bring some reference for computing fluid resistance of the municipal solid wast (MSW) boiler.

为给计算废弃物锅炉中的错列管束受热面的流动阻力提供参考 ,并就高水分烟气中水分浓度和几何结构的改变对流动阻力影响的一些机理进行了探讨 ,搭建一实验台 ,共做了 1 0 8种工况的实验。主要针对机理的探讨 ,实验工况主要针对Re较小层流流态。实验研究表明 :在相同主流速度、温度和几何结构条件下 ,高水分烟气的流动阻力小于空气 ,其原因在于烟气中水分浓度的增加改变了烟气的物理性质 ,增加了速度边界层的厚度和减小了烟气的动力粘度 ,进而减小了速度层流边界层的摩擦阻力。几何排列结构对流动阻力亦有影响 ,横向节距的减小将增大管束的流动阻力 ,纵向节距的增大将增大管束的流动阻力

The paper is to get the method for studying the character of convective heat transfer of high moisture flue gas in the MSW incinerator. It is based on experiments under 108 working conditions. Staggered tube bundles simulate the heating surface of the MSW incinerator in experiments. A modified correlation has been obtained by comparing the experimental and computational heat transfer coefficients. The modified correlation is only applied under low Renault conditions. The experiment data shows that the...

The paper is to get the method for studying the character of convective heat transfer of high moisture flue gas in the MSW incinerator. It is based on experiments under 108 working conditions. Staggered tube bundles simulate the heating surface of the MSW incinerator in experiments. A modified correlation has been obtained by comparing the experimental and computational heat transfer coefficients. The modified correlation is only applied under low Renault conditions. The experiment data shows that the heat transfer ability of the high-moisture flue gas is higher than the normal flue gas. The influence of moisture on heat transfer is stronger as the temperature or the percentage of moisture is higher. The ability for heat transfer of the flue gas becomes higher when the longitudinal pitch is decreased or the latitudinal pitch is increased.

该文为了研究废弃物焚烧锅炉尾部错列管束的换热计算方法,基于模化实验原理,共做了108种工况的实验,得出了低雷诺数工况的换热计算方法。实验研究表明:烟气中水分浓度的增加增强了烟气的换热性能,并随着温度的增加和水分体积浓度的增加而更为明显,这是因为水分浓度的增加减小了热边界层的厚度并改变了烟气的导热系数,进而减小了热边界层的热阻。对比3种管束结构的换热性能表明:高水分烟气换热性能主要随纵向节距的减小而增加,随着横向节距的增加而增加。

 
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