旋渦流 的英文怎麼說

中文拼音 [xuánguōliú]
旋渦流 英文
bumpy flow
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 旋渦 : vortex （pl vortices; vortexes）; whirlpool; vemous; eddy; vorticit; backset; swirl; [地質學] nuc...
  1. The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis

    首先基於風機噪聲理論的分析確定了影響風機噪聲源的主要因素是旋轉噪聲和渦流噪聲。
  2. Vortex injection provides a form of swirl or cyclone combustion for a rocket engine similar to systems often employed in industrial furnaces.

    渦流噴射在火箭發動機中產生一種渦流或旋渦形式的燃燒，與工業爐中常採用的系統相似。
  3. Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent - size eddies that only satellites can see

    錯誤和不可靠性上升，接踵而來的是一系列湍流的徵狀，從小塵暴和暴風發展到只有衛星上可以看到的席捲整塊大陸的旋渦。
  4. In taylor's picture, the eddy is the basic element of turbulence.

    在泰勒的描述里，旋渦是湍流的基本要素。
  5. As it vaporizes, tiny gas jets spin and tumble the ice shards across the surface of the water

    乾冰氣化時產生的小噴流帶動乾冰碎片在水面不斷旋轉翻滾，互相碰撞，產生一團團有多個分支的白霧旋渦。
  6. The story begins with a local eddy in the swirling gas and dust of the primordial galaxy.

    話題要從原始星系的旋渦氣體和塵埃形成的一個局部渦流說起。
  7. In the most intensely turbulent flows, we can often discern a semblance of order through the disorder of the eddies.

    對大多數強烈湍流，往往可以透過旋渦的混亂看出一種井然有序的外表。
  8. Friction between the spinning glass and the liquid inside causes swirls of fluid to appear and disappear, displaying intricate flow patterns

    旋轉的玻璃與當中包含的液體互相摩擦，形成不斷生滅的旋渦，展現出錯綜復雜的流動形態。
  9. Friction between the spinning glass and the liquid inside causes swirls of fluid to appear and disappear, displaying intricate flow patterns. these patterns resemble the atmospheric storms on earth, jupiter, saturn, uranus, and neptune

    旋轉的玻璃與當中包含的液體互相摩擦，形成不斷生滅的旋渦，展現出錯綜復雜的流動形態。這些形態與地球、木星、土星、天王星及海王星上的大氣風暴相似。
  10. Numerical investigation on the swirling flow inside a volute influenced by distorted inflow

    離心風機蝸殼進口周向來流的非均勻性對其旋渦流動影響的數值研究
  11. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  12. Continued turbulence on the sun remains a concern for the next week, space forecasters say

    航空預報員說，太磁暴的旋渦流將一直持續到下周。
  13. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  14. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  15. An experimental study of the dynamic characteristics of swirlmeter in oscillatory flow

    脈動流場中旋進旋渦流量計流體振動特性的實驗研究
  16. In the third chapter, the method and choosing principle of the test system component at first were brought out. the component of test device was introduced. and then, the characteristics, such as strouhal number, vortex street strength, vortex street stability and pressure drop coeffi

    縱觀全文，本文成功地將cfd技術和實驗流體力學方法應用於新型雙鈍體渦街流量計的研究，並對旋進旋渦流量計的流體振動特性和抗干擾方法進行系統研究，提出了旋進旋渦流量計抗干擾設計的新方法。
  17. There are two kinds of vortex type oscillatory flowmeter : vortex flowmeter and vortex precession flowmeter

    基於旋渦流體振蕩原理的流量計主要有兩種：渦街流量計和旋進旋渦流量計。
  18. The assemble criterion of sensor for design was advanced. at last, a method of increasing signal - to - noise ratio and reducing flux lower limit value of vortex flowmeter was advanced. the experiment program was advanced

    針對旋進旋渦流量計的理論分析所存在的問題，論文應用fluent軟體對該流量計進行了直接流場模擬研究，分析模擬的結果和誤差，並提出了改善模擬精度的途徑。
  19. Experimental investigation of relative eddy in a impeller passage by piv

    研究葉輪軸向旋渦流
  20. The main content of each chapter is as following. the first chapter at first generally introduced the history and the actuality of flowmeter on the basis of relevant publications search. one of most promising flowmeter - the vortex type fluid oscillatory flowmeter - was selected as research subject

    有關各章內容分述如下：論文第一章以大量的國內外文獻為基礎，全面綜述了流量計的發展歷史和現狀，確定以具發展前途的流量計之一? ?旋渦型流體振動型流量計（渦街流量計和旋進旋渦流量計）作為研究內容。
分享友人
分享到 Line

分享到臉書