渦對 的英文怎麼說

中文拼音 [guōduì]
渦對 英文
vortex pair
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  1. One of factors which activize the explosive development of cyclone exists strong convective instability in lower layers from the analysis of the barotropic potential vorticity

    由正壓位渦分析得出，氣旋爆發性發展的啟動因子之一為低層存在強對流性不穩定。
  2. In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone

    總之，對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。
  3. These results tend to agree with the observations associated with traveling convection vortices and midday sub - auroral patches

    上述結果在趨勢上與觀測到的輸運對流渦旋和亞極光塊的運動特徵一致。
  4. Effects of cetane number improver on emissions of swirl chamber diesel engine

    十六烷值改進劑對渦流室柴油機排放特性的影響
  5. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    （ 5 ）綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料，研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  6. In the boundary, velocity and reynolds stress was distorted greatly by the vortex that leaded to an upwash domain and a downwash domain

    射流傾斜角度和速度的變化將引起渦旋對邊界層影響范圍的變化。
  7. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  8. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。
  9. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量，包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等，對這一暴雨過程有了比較系統的認識。結果表明：在江淮流域存在著有利於發生暴雨的物理量場配置，渦度、散度、垂直速度等物理量，與暴雨的落區都很吻合的；低空急流的產生不僅有利於水汽的輸送，而且高低空急流的耦合造成了有利於強上升運動的配置；鋒生強度隨著降水系統的發展變化，並影響降水強度。
  10. Its peculiarity is that the vortex pair formed on the ejection stroke can ? move far enough under the self - induced velocity, so the vortex pair is sucked into the cavity of the actuator during the suction stroke

    這種流動的特點是：在作動器的「吐出」行程，其出口產生的旋渦對還來不及向下游遷移便進入了作動器的「吸入」行程，重新進入作動器腔體。
  11. It is found that the couple of foppl vortex is unstable from the beginning when it engendered. the changing frequency is very slow at first, almost 2. 5 % ~ 3 % of the frequency when it is stabled. the amplitude is also so limited at the beginning the maximum is only about 0. 035 % ~ 0. 05 % of the amplitude when it develops fully

    ） ppl渦對從產生的一瞬間就是不穩定的，其初始變化頻率十分緩慢，初始變化頻率大約是周期變化穩定以後變化頻率的2 . 5 3左右；波動幅度也十分有限，其初始階段最大值僅為周期性充分發展幅度的0 . 035 0 . 05左右。
  12. When f is about fr, for curved pipes, the secondary flow appears eight vortexes for annular cross section and four for circular and four or six for elliptical ; for helical pipe, the secondary flow appears as a loop flow for annular and circular cross section, and a saddle flow for elliptical cross section

    當f在fr左右時，對于彎管，環形截面上存在八個渦，圓截面上存在四個渦，橢圓截面上存在四個或六個渦；對于螺旋管，圓截面和環形截面上二次流表現為環流，橢圓截面上表現為鞍流。
  13. Eventually mode a and b coexist in the wake, which confirms the previous studies. besides, the present paper finds that downstream the streamwise

    從圓柱表面到旋渦形成區、到近尾跡再到下游尾跡流向渦結構從模式a轉換到模式b 、雙渦對模式、再恢復為模式a 。
  14. Especially the secondary vortex is also captured. 4. vectoring of a primary jet with a single or two adjacent microjets in a pull mode was numerically investigated

    在三維數值模擬中還捕捉到了二次渦，這為以後進一步研究微射流旋渦對的細微結構打下了良好的基礎。
  15. The numerical analysis indicates that that the multi - longitudinal vortex flow in tubes can markedly enhance both the laminar and turbulent heat transfer with less additional increase of flow resistance

    結果表明，管內多縱向渦對層流和湍流換熱的強化效果顯著而流阻增加較少，具有優良的綜合強化換熱性能。
  16. The typical coherent large scale structures include the single spanwise vortex, the pairing vortexes with same signs, which are similar to the structures in the weak - shearing jet, and the vortex pair composed of two vortexes with opposite signs

    典型的擬序大渦結構包括單個的展向大渦、有相同符號的兩渦組成的配對渦（與弱剪切射流中類似）及由符號相反的兩渦組成的渦對組合。
  17. The influence of the low to the rainfall of different part of yangtze river had special characteristic : the first low mostly influenced upper reaches, while the second and the third influenced the middle and the lower reaches of yangtze river. when the lows moved to the sea and japan, the rainfall presented the characteristic of the high - level cold low rain produce

    三個低渦對長江中下游降水的影響有明顯的區域特徵：第一個低渦生成在青藏高原東側，並且移動路徑經向度很大，因此對長江中上有的降水影響較大；第二個及第三個低渦產生在大別山地區，在我國東部主要沿緯向移動，因此對長江中下游降水影響較大。
  18. In the near field, the vortex pairs are gradually and periodically formed, and at the same time they migrate down stream under the self - induced velocity

    在作動器出口附近，旋渦對逐漸捲起並向下游推進，而且旋渦對是不連續的。
  19. The 3d simulation result shows characteristics as well as creating, developing and dissipation process of the microjet. the results show good agreement with experimental results. the numerical study reveals the spanwise instability of vortex pairs, resulting in the breakdown of the coherent vortex structure

    三維微射流流場的數值模擬再現了實驗所觀察到的旋渦對的生成、發展及其相干性的消失過程；揭示了旋渦對沿展向的不穩定性是旋渦對相干性消失的主要原因。
  20. By solving the 2 - d viscous navier - stocks equation, the flow field of the microjet was simulated. the results clearly reveal the features of microjet and the process of vortex pairs ? formation, advection, diffusion and entrainment effection on ambient fluid

    結果清晰的反映了作動器出口附近微射流場的形態，同時也再現了此區域內旋渦對的生成、遷移和擴散過程以及微射流對周圍流體的卷吸作用。
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