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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
    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
    Investigation on Rising Velocity of Taylor Bubble in Upward Vertical Slug Flow
    垂直上升弹状流中Taylor气泡上升流速的研究
短句来源
    Simulation of turbulent bubble-liquid flows in a bubble column using a second-order moment two-phase turbulence model
    用二阶矩两相湍流模型模拟鼓泡床内气泡-液体湍流两相流动
短句来源
    The Numerical Prediction of Effects of a Gas Bubble Deformation on Temperature and Concentration Fields
    数值预测气泡形状演变对温度和浓度场的影响
短句来源
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    An Experimental Study on Location of Transitional Separation Bubble on a Low Reynolds Numbers Airfoil
    确定低雷诺数翼型转捩分离位置的实验研究
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
    NUMERICAL STUDY ON ELECTRIC FIELD AROUND A SINGLE BUBBLE
    单个汽周围的电场数值研究
短句来源
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  “bubble”译为未确定词的双语例句
    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
    DETERMINATION OF BUBBLE DEPARTURE DIAMETERS ON ARTIFICIAL CAVITIES IN NUCLEATE POOL BOILING
    池式沸腾人工孔上汽泡脱离直径的研究
短句来源
    THE APPLICATION OF COLOUR HELIUM BUBBLE IN THE WIND TUNNEL TEST
    彩色氦气泡在风洞试验中的应用
短句来源
    EXPERIMENTAL OBSERVATION OF THE TEMPERATURE FIELD AROUND A BUBBLE
    汽泡周围温度场的观测
短句来源
    Hydrogen Bubble Mesh-Image Velocimetry---a Measurement Technique of 2-D Instantaneous Velocity Distribution for Unsteady Flows
    氢气泡网格图像测速法──瞬态二维速度场测量
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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Based on an analysis of the nature of heat transfer during nucleate boiling, the convection-evaporation mechanism of heat transfer in nucleate boiling is proposed. General equations for the criterion of nucleate boiling are obtained: N_u= A(G_rP_r)~m[Eξ(P)]~n, N_u=AP_r~(m_1)R_c~(m_2)[Eξ(P)]~(m_3), which prove to be satisfactory when used to correlate experimental results. Based on the theory of non-equlibrium thermodynamics and statistical physics, the formation of vapor bubbles on heeting surface is analysed,...

Based on an analysis of the nature of heat transfer during nucleate boiling, the convection-evaporation mechanism of heat transfer in nucleate boiling is proposed. General equations for the criterion of nucleate boiling are obtained: N_u= A(G_rP_r)~m[Eξ(P)]~n, N_u=AP_r~(m_1)R_c~(m_2)[Eξ(P)]~(m_3), which prove to be satisfactory when used to correlate experimental results. Based on the theory of non-equlibrium thermodynamics and statistical physics, the formation of vapor bubbles on heeting surface is analysed, and the effects of various factors on the formaton of bubble are discussed.

本文根据不可逆过程热力学及统计物理学的理论,分析了加热表面上汽泡的产生,讨论了各种因素对汽泡产生的影响。提出了泡状沸腾放热的对流汽化机理,获得了描述泡状沸腾放热的普遍准则方程式 N_u=A(G_rP_r)~m[Eξ(P)]~n; N_u=AP_r~(m_1)R_e~(m_2)[Eξ(P)]~(m_3)。用本文的准则方程式能满意地综合实验结果。

This paper is a phase report of study for the subject “Throtting Cavita- tion Venturi.”The design methods involved and preliminary theoretical analysis having been discussed in other papers,this report puts emphasis on the discussion of the following points:the maximum absolute error δ and maximum relative error ξ within the operating range of the throttling cavitation venturi, the relationships between the main parameters,test specimens,equipments and results,two phase gas-liquid flow in the cavitation venturi...

This paper is a phase report of study for the subject “Throtting Cavita- tion Venturi.”The design methods involved and preliminary theoretical analysis having been discussed in other papers,this report puts emphasis on the discussion of the following points:the maximum absolute error δ and maximum relative error ξ within the operating range of the throttling cavitation venturi, the relationships between the main parameters,test specimens,equipments and results,two phase gas-liquid flow in the cavitation venturi and the bubble dynumic characteristics under the condition of small amplitude. This paper may be utilized as a reference for those who are engaged in the development of variable-thrust liquid propellant rocket engine and liquid venturi flowmeters.

本文是“流量可调汽蚀文氏管”研究课题的阶段研究报告,因有关的设计方法及初步理论分析已在专门的文章中讨论了,故本篇重点讨论如下几个问题:流量可调汽蚀文氏管工作范围内的最大绝对误差δ,最大相对误差ξ,各主要参数间的关系,试验件,试验设备及试验结果,汽蚀文氏管中的气——液二相流及小振幅情况下的气泡动态特性等。本文可供研制变推力液体燃料火箭发动机及文氏管液体流量计有关人员参考。

In this article a method is presented to find maximum pressure in the air cell of a water tank under shock waves.The experiments have shown that a large bubble is formed at the bottom of the tank when the shock wave enters it through a tube. with the expansion of the bubble the pressure in the cell will increase gradually. In accordance with the theories of fluid dynamics and the principles of energy conservation two diffential equations are set up.By using the virtual souces and confluences under...

In this article a method is presented to find maximum pressure in the air cell of a water tank under shock waves.The experiments have shown that a large bubble is formed at the bottom of the tank when the shock wave enters it through a tube. with the expansion of the bubble the pressure in the cell will increase gradually. In accordance with the theories of fluid dynamics and the principles of energy conservation two diffential equations are set up.By using the virtual souces and confluences under mirror symmetry conditions to satisfy approximately the boundary conditions of these equations and then the maximum pressure in the air cell can be computed.The calculated results accord with the experimental data quite well.The error of mean—square noot it about 10%.It is sufficient to safisfy the engineering requiments.

本文提出了冲击波作用下消波池气室压力计算的方法。试验研究表明,当冲击波由管道进入消波池时,在池底形成气泡。随着气泡的膨胀,气室压力不断增加。根据流体力学和能量守恒的基本原理,并使用虚源(汇)法以近似满足边界条件,建立了两个微分方程式;求解此微分方程组即可算得气室最大压力值。计算结果与实验数据相当接近,其均方根误差在10%左右,足以满足工程的要求。中国人民解放军89003部队宗奎元、刘经论同志参加了本文的计算工作,谨此致谢。

 
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