挡环的英文

• baffle ring
• retaining collar
• stopper

• "挡"英文翻译    keep off; ward off; block; r ...
• "环"英文翻译    ring; hoop
• "挡环式链" 英文翻译 :    stud type chain
• "横挡环链" 英文翻译 :    studded chain
• "夹切挡环" 英文翻译 :    pinch trim collar; pinchtrimcollar
• "接箍挡环" 英文翻译 :    collar stop
• "锁握挡环" 英文翻译 :    gliding ring of fixing fetters
• "进给螺杆挡环" 英文翻译 :    feed screw collar
• "塞；止动轧头；挡环；制动器；阀；封堵器" 英文翻译 :    stopper
• "挡洪栅" 英文翻译 :    flood fencing
• "挡簧" 英文翻译 :    catch spring
• "挡横儿" 英文翻译 :    (从中干涉、拦阻) meddle and prevent; interfere and make difficulties; get in the way
• "挡灰板" 英文翻译 :    ash damper
• "挡光屏" 英文翻译 :    light trap
• "挡回板" 英文翻译 :    deflector board
• "挡光片" 英文翻译 :    light barrier
• "挡火板" 英文翻译 :    fire damper board
• "挡光架（摄影机前）" 英文翻译 :    franch flame

• The effects of tripping annulus on a pipe flow and a channel flow were compared and analysed . it indicated that the effect on both flow are mostly identical
  全面比较了入口挡环对管流和渠道流中湍流发展过程的影响，发现两者在多方面均存在着一致性。
• In case of high reynolds number , the turbulence intensity of centreline drifted off its stable course in the sections , where the flow was in the transition
  在大雷诺数情况下，在流动处于发展阶段的管长范围内，流动中心处的相对湍流强度在入口挡环作用下偏离了稳定状态。
• The effects of the different tripping size were not alike , 20 % tripping annulus was the best size for a pipe flow to obtain fully developed turbulence in the experiment . 8
  不同尺寸的挡环对流动中心处相对湍流强度的影响不同，实验结果表明， 20挡环是形成充分发展圆管湍流的最佳尺寸。
• 3 . based on the wall equation and k - ? model , the variable c ? and the variable lm were used to improve the numerical simulation of pipe flow with the tripping annulus at the inlet
  在壁函数和-模型的基础上，采用了变模型常数c _ ( l )和变混合长度l _ m的方法对入口处带有挡环的圆管湍流模拟计算进行了修正。
• With the different tripping annulus at the inlet , a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125 . 2
  采用新的离壁距离标定方法，在入口处设有改变扰动强度挡环的条件下，利用热线仪在管长x d约为125的范围内完成了七个不同管流截面上的35个轴线方向速度分布的测量工作。
• In accordance with different tripping annulus at the inlet , the numerical simulations of the reattachment length were performed with the " variable c ? " model . in the range of experimental reynolds number , the tripping effect on the reattachment length was developed in the figure . the dependence of the reattachment length on reynolds number was also analysed in the different status of pipe flow
  利用变模型常数的-模型针对不同尺寸的挡环进行了再附着长度的模拟计算，在实验雷诺数范围内，建立了入口处挡环对再附着长度影响的变化曲线，分析了再附着长度在不同的管流流动状态下相对于雷诺数的变化情况。
• The goal of this paper is to study fully developed turbulent pipe flow . with the aid of the tripping annulus at the inlet , based on the experimental investigation and numerical simulation , detailed researches on a few basic rules in pipe flow have been performed , such as mean velocity profile , relative intensity of turbulence , the log - law , von karman ' s constant and reattachment length , thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding
  本文的目的就是利用入口挡环进一步探索充分发展的圆管湍流，通过实验和数值模拟对圆管湍流的若干基本规律，如平均速度分布、相对湍流强度、对数定律、冯?卡门常数和再附着长度等进行详细的研究，以填补前人研究中的一些空白，并获得更深入的了解。

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