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bubble
相关语句
  气泡
    Simulation of the flashing boiling injection with the bubble growth theory
    用气泡生成理论模拟闪急喷射的研究
短句来源
    Research on Critical Condition of WDH model Bubble Atomizing Burner
    WDH型气泡雾化喷嘴临界现象研究
短句来源
    The influence of U/Umf on the radiative heat transfer between the surface and bubble phase and between the surface and emulsion phase is discussed in detail.
    讨论了U/Umf对气泡相辐射换热和乳化相辐射换热的影响。
短句来源
    Dynamic Characteristics of Bubble Growth and Detachment in the Course of Nucleate Boiling
    核态池沸腾中气泡生长和脱离的动力学特征——气泡动力学研究回顾
短句来源
    A Study of the Flow Characteristics of WDH Type Bubble fogging Burners
    WDH型气泡雾化喷嘴的流量特性研究
短句来源
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    The Bubble Motion in the Boundary Layer of the Pipe Flow
    管流边界层中汽的运动
短句来源
    A MATHEMATICAL MODEL OF THE GROWTH OF A BUBBLE BASED ON NON-EQUILIBRIUM THERMODYNAMICS
    一个基于非平衡热力学理论的核沸腾汽长大的数学模型
短句来源
    The Analysis of Bubble Work on Mixture's Boiling Heat Transfer
    混合工质沸腾换热气形成功的推导及分析
短句来源
    Characteristics of Bubble Growth in Initial Period in Superheated Liquid
    过热液中汽生长初期阶段特性
短句来源
    Experimental Study on the Effect of Bubble Growth Condition on Boiling Heat Transfer
    汽生成状态对沸腾传热影响的实验研究
短句来源
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  “bubble”译为未确定词的双语例句
    Study on Air Bubble Motion in Water Turbomachinery Part 2 the Calculation Method and Result
    水涡轮机械中的空泡运动研究 第2部分 空泡运动的数值计算方法及结果
短句来源
    Automatic Control of the Level of Boiler Bubble
    锅炉汽包水位的自动控制
短句来源
    Studies heat transfer of flow boiling which cotains lower vapour and typifies bubble and churn flow in freon R-113 as the medium.
    以R-113为介质,研究了汽泡流和腾涌流流型时的流动沸腾传热。
短句来源
    2)to determine circulation ratio of6,hot state superficial air velocity of5~6m/s,combustion portion of about 0.5~0.6in dense phase zone,and outlet velocity of bubble cap of50~60m/s;
    确定循环倍率为6、流化床热态运行风速为5~6m/s、密相区燃烧份额约为0.5~0.6、风帽小孔气流速度为50~60m/s;
短句来源
    Bubble Behavior and Heat Transfer of Subcooled Boiling in Vertical Narrow Rectangular Channel
    垂直矩形窄缝流动过冷沸腾时的汽泡行为和换热
短句来源
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  bubble
It produced no air bubble in the adhesives layer under the condition of no vacuum environment, and ensures the assembly dislocation ?0.
      
This paper attempted to numerically analyze the action process based on damage mechanics when a jet created by bubble collapse acted on the bearing surface in the process of cavitation erosion.
      
An effective medium method is developed for the slightly compressible elastic media permeated with air-filled bubbles, according to the nonlinear oscillation of the bubble, which happens when compressional wave travels through the porous media.
      
Two flow regimes were discovered by measuring flow rate vof water through thin capillaries containing small gas bubble.
      
The longer the bubble, the greater this contribution.
      
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The forces acting on the bubble remaining on the heating surface of the pipe are described and the formula for calculating the critical diameter above which the bubble departs from the surface is derived. The relation between the bubble detachment, the velocity of the fluid and the density difference are explained. The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the...

The forces acting on the bubble remaining on the heating surface of the pipe are described and the formula for calculating the critical diameter above which the bubble departs from the surface is derived. The relation between the bubble detachment, the velocity of the fluid and the density difference are explained. The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are obtained.

文章分析了作用于管壁上生成汽泡的力,导出了汽泡脱离壁面的临界直径的计算公式,从理论上解释了汽泡脱离壁面与汽流速度及密度差的关系;继而分析了在边界层中脱离壁面的汽泡上的作用力,导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。

Tests have been condueted to measure the instantaneous temperature fluctuation of the immersed tube surface and to obtain the total heat flux and the radiative heat flux to the immersed tube within the operating conditions of the fluidized bed combustion boiler. Experimental data on mean residence time of the bed particles and the mean bubble fraction in contact with the tube surface have been correlated in dimen-sionless group formulas. The analytical results are shown to be in good agreement with the...

Tests have been condueted to measure the instantaneous temperature fluctuation of the immersed tube surface and to obtain the total heat flux and the radiative heat flux to the immersed tube within the operating conditions of the fluidized bed combustion boiler. Experimental data on mean residence time of the bed particles and the mean bubble fraction in contact with the tube surface have been correlated in dimen-sionless group formulas. The analytical results are shown to be in good agreement with the experimented heat transfer coefficients of the immersed tube. It may be seemed that the heat transfer model presented in this paper would reflect the heat transfer process of the immersed tube in the fluidized bed combustion boiler.

本文介绍在不同运行工况下测得的水冷埋管壁温随时间的变化曲线,按统计方法整理出粒子群的贴壁时间和气泡的贴壁时间份额,并整理成准则公式。由贴壁粒子群对埋管传递热量的能量方程式,用差分法求得其数值解,并与实验值比较,两者是接近的。说明本文所介绍的传热模型在一定程度上反映了沸腾燃烧锅炉内埋管传热过程。

Because the heat conductive resistance of a liquid microlayer beneath the vapor bubbles in nucleate boiling is very small, in some range of the heat flux density, boiling heat transfer can be enhanced by a method for delaying departure of the vapor bubbles. On the basis of this judgement, authors propose a new enhanced method of boiling heat transfer, namely the use of a perforated plate for restricting vapor bubbles (PPRVB), and the experiments of pool boiling heat transfer by using the PPRVB...

Because the heat conductive resistance of a liquid microlayer beneath the vapor bubbles in nucleate boiling is very small, in some range of the heat flux density, boiling heat transfer can be enhanced by a method for delaying departure of the vapor bubbles. On the basis of this judgement, authors propose a new enhanced method of boiling heat transfer, namely the use of a perforated plate for restricting vapor bubbles (PPRVB), and the experiments of pool boiling heat transfer by using the PPRVB are carried oat. The experimental results show that pool boiling heat transfer can be severalfold enhanced by means of the PPRVB. A relation of pool boiling heat transfer by using the PPRVB and a relation of the optimal spacing between the PPRVB and heating surface are recommended.

液体沸腾时泡底微层液膜的导热蒸发热阻低,在一定热流密度范围内,采取措施适当延迟汽泡的脱离就可能强化沸腾传热。本文据此提出了一种强化核沸腾传热的新方法——抑泡孔板法,并对采用抑泡孔板的池沸腾传热进行了实验研究。实验结果表明,采用抑泡孔板可以使沸腾传热系数增加几倍乃至十几倍。同时也得到了采用抑泡孔板时沸腾传热的准则方程式和最佳板距的准则方程式。

 
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