渦量 的英文怎麼說

中文拼音 [guōliáng]
渦量 英文
vorticity
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. The local nonlinear advection increases evidently the inward - propagation of vorticity, and therefore strengthens the typhoon obviously

    局域非線性平流使內傳的渦量明顯增多，臺風明顯加強。
  2. The flux through the wall of the vortex tube is zero by its definition.

    根據渦管定義，穿過渦管管壁的渦量為零。
  3. Finally, the mechanisms behind the instability of fibre suspensions are presented from a point of view of vorticity. effects of fibres are investigated through equations of vorticity transport and enstrophy balance

    從渦量的角度分析纖維改變懸浮流動穩定性的機理，利用渦量輸運方程與渦能平衡方程分析纖維的作用。
  4. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  5. The in of nonlinear advection into the model weakens the intensity of both inward and outward propagation of vorticity, but makes the inward propagation up to a posi

    非線性平流的引進，使渦量向內區傳輸以及向外傳輸的強度均減弱：但內傳的渦量更加接近於臺風中心。
  6. With piv technology, the flow field was measured to judge the performance of pump sump. by analyzing the pictures of velocity, streamline, turbulent kinetic energy and vorticity, we found that the turbulence was bigger while the ratio of the runoff increased. and the vortices always appeared in the field where the runoff was small

    通過piv試驗，測量了封閉式水泵吸水室內部的流場，以研究該水泵吸水室的性能； （ 2 ）通過分析流速圖、流線圖、湍動能圖和渦量圖，發現了流量比越大，湍動越大，漩渦總是出現在流量較小的一側。
  7. The distributions of velocity vector, vorticity. turbulent kinetic energy and some other detailed flow information in the field are obtained. the influence of electric field on the flow field is discussed and gives a deep insight on it

    3 、首次採用piv技術對荷電噴霧射流流場進行了測量，獲得了整個流場的瞬時速度、湍能、渦量等信息分布圖，研究了流場特性隨充電電壓的變化情況。
  8. The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ), near rmw next and the spiral bands vanish when it is positioned in the inner core region. indicating that the farther the distance from the tc center, the more distinctly the spiral bands and the opposite is true

    初始圓形擾動渦度場轉化為螺旋臂渦量帶的現象是初始擾動位於渦旋最大風速半徑（ rmw ）外圍最顯著，其次是rmw附近，當擾動位於渦旋內核區時幾乎沒有螺旋臂結構形態出現，表明，初始擾動離tc中心越遠，其強迫渦旋rossby波形成的螺旋帶結構越明顯，反之越弱。
  9. Buoyancy instability ; neutral curve ; vortex wave ; eigenmode

    浮力不穩定性中性曲線渦量波特徵振型
  10. At the same time, contour stream line, vortex, kinetic energy which are computed are important to investigate complex flow and turbulent flow

    同時得到其它的參數如渦量場、等流函數線、紊動能等，這些參數對復雜流動和湍流有重要的研究意義。
  11. According to the definition of stream function and vorticity, this article theoretically derives a formulation of definite solution problems for resolving two dimensional flow, which is different from the usual formulation, from the stream function - vorticity n - s equation

    摘要從定常二維平面流動的流函數渦量型n - s方程出發，從理論上推導出一種不同於通常提法的二維平面流動的定解提法。
  12. The characteristics of vortex field can be described visually by vortex line

    渦量場特性可以用渦線非常形象地表達出來。
  13. 5. the numerical simulation of the axial vortex movement in the inlet side of the pump system with the method of discrete vortex provided a new way for hydromechanical characteristics of a pump system

    用離散渦方法計算渦系位置的演化模擬泵入口側渦量場的軸向渦流運動，為研究泵系統入流側渦量場特性提供了一種定量研究方法。
  14. The transient continuously distributive vortex can be replaced by a number of discrete point vortexes. the trajectory of vortex movement was computed with the method of discrete vortex and the axial vortex movement in the inlet side of the pump system was simulated

    將泵入口側連續分佈的渦量場離散成有限數目的離散渦，用離散渦方法計算渦系位置的演化，模擬泵入口渦量場的軸向渦流運動。
  15. The mean profiles of reynolds stresses bear prodigious specialty, i. e. the lateral fluctuations at the centerline are inhibjied strongly and the longitudinal ones have the tendency of growing continuously, which is induced by the special symmetrical vorticity field

    雷諾應力分佈有很大的特殊性，即軸線的橫向應力被強烈地抑制，而縱向應力卻有不斷變大的趨勢，這是由於特殊的對稱渦量場結構引起的。
  16. The results of 10 sets of experiments suggest that in comparison with only one vortex, the intensity of the inward propagation of vorticity strengthens distinctly, vorticity detains in the inner region of typhoon circulation for a longer time, and the local maximum wind speed in the inner region increases clearly

    10組試驗的結果指出：與單渦條件相比，渦量內傳的強度顯著加強，渦量滯留在臺風內區的時間加長，內區局域最大風速增大的現象更加清楚。
  17. We carried numerical experiments to explore the vrw propagation features in the case of mesoscale vortex street. results show that vortex combination appears two times during vorticity propagated inner ward, with vortex street vorticity less than that of single vortex, which is a new finding in typhoon dynamics

    我們對此實施了數值試驗，結果指出：渦列渦量內傳過程中出現了兩次渦合併現象，渦列內傳的渦量比單個中尺度渦內傳的渦量要少。
  18. 2 an f - plane quasi - geostrophic barotropic vorticity equation model of high resolution is designed in this paper in order to investigate the characters of vorticity propagation and the effect of nonlinearity on the propagation within a typhoon circulation, wherein two mesoscale vortices coexist at different radial positions

    2設計了一個高解析度的f平面的準地轉正壓渦度方程模式，用以研究兩個徑向距離不等的中尺度渦旋共存條件下，臺風環流內渦量傳播的特徵，以及非線性在此傳播過程中的作用。
  19. On the basis of the experiment, this thesis furthered the research on vortex in the inlet side of the pump system with the method of numerical calculation, and offered its axial vortex line, and contrasted this line with the diagrammatized vortex line

    本文在實驗基礎上，通過數值計算方法對泵入口側渦量場作了進一步研究，繪出了泵入口側渦量場地軸向渦線，並與圖解法繪制地渦線進行了對比。
  20. The drag reduction of riblet biomimetic non - smooth surface is given out by numerical simulation with cfx. through analysis of velocity vector field and velocity fluctuation this article probe into drag reduction mechanism of unsmooth surface. through analysis of behavior of single microbubble and turbulent kinetic energy this article indicate drag reduction mechanism of microbuble

    對仿生非光滑表面減阻機理，採用流體力學分析軟體cfx進行了數值模擬，通過對速度場、剪切應力、渦量的計算結果進行分析，得出了仿生非光滑表面減阻幾種主要原因。
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