vertical velocity distribution 中文意思是什麼

vertical velocity distribution 解釋
垂線流速分佈
  • vertical : adj 1 垂直的，直立的，豎立的，縱的（ opp horizontal ）。2 頂上的，頂點的，絕頂的。3 【解剖學】頭...
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion

    在水利工程中經常需要採用數學模型模擬水流的流態，淺水方程是進行平面流態模擬計算的基本控制方程，但因其忽略了流速垂線分佈的不均勻性，在模擬某些平面流態（如風生流動、河灣水流、潛壩等工程附近的流動）時存在一定的局限性。
  2. The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area

    對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析，發現各物理量場在沙塵暴發展的不同時期有著很好的配置，揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值，低層正值，螺旋度大小的演變與沙塵暴的出現有一定的對應關系。
  3. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究，建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式，同時給出了相關系數的確定方法。
  4. The potential problems related to the applications of k - model under the new coordinates are analyzed and the distribution formula of vertical turbulence viscidity coefficients is deduced on the base of logarithmic velocity of flow according to the characteristics of the model

    分析了在新坐標系下應用k -模型可能存在的問題，並從模型的特點出發，以對數流速分佈為基礎，導出了垂向紊動粘性系數的分佈公式。
  5. Based on current forcecalculation of varying current velocity distribution and static analysis of mooting lines ' a new method of dynamic balance is proposed, which can makebfp to be vertical in submergence, and assure bfp to touch seabed in favorable position and insert into preconcerted depth successfully

    通過分析平臺沉放過程中的受力，採用動態調平的新方法，可以使平臺在沉放過程中保持垂直，保證桶形基礎以良好的初始姿態觸底並順利地插入到預定的深度。
  6. The motion characteristics of the suspended particles were obtained by statistical analysis, including vertical concentration distribution, mean velocity profile, turbulent intensity, velocity correlation, and the probability density distribution of the velocity fluctuations. attempt has also been made to interpret the turbulent characteristics in terms of particle properties and turbulence structure

    對不同容重、不同粒徑的顆粒在不同水流條件下的垂線濃度分佈、平均速度和脈動強度分佈、相關函數及脈動速度的概率密度分佈等進行了全面系統的統計分析，得到的中文摘要主要成果如下：
  7. Vertical velocity distribution

    豎直速度分佈
  8. The zone related to sha er member is more related to sedimentary velocity. 3. three dynamic systems of entrapment are divided in the eogene of de nan depression in terms of stratigraphic, tectonic characteristic and the vertical distribution of abnormal formation pressure

    3 、從成藏動力學系統的角度可將德南窪陷下第三系劃分為三個成藏動力學系統，即上部、內部和下部成藏動力學系統。
  9. Based on the measured data of the north - trough and south - trough in the yangtze river estuary, the vertical distribution of the suspended sediment concentration in the yangtze river estuary is simulated by using a one dimensional numerical model of the suspended sediment, and the friction velocity and close - to - bed suspended sediment concentration are briefly analyzed

    摘要根據長江口北槽和南槽實測的水沙資料，利用垂向一維懸沙數學模型模擬了長江口懸沙含量及其分佈，並對摩阻流速和臨底懸沙含量進行了簡要分析。
  10. ( 2 ) before and after the frames are placed the velocity vertical distribution in the same cross - section are measured by adv. the results indicate that after the frames are placed the mean velocity and turbulent intensity near bed are reduced, and vertical distribution of turbulent intensity is more uniform

    （ 2 ）採用adv超聲流速儀對投放框架群前後同一斷面的垂線流速分佈測量表明：水槽投放四面體后，不但可以降低近底區的時均流速、紊動強度，而且均化了紊動強度的垂線分佈。
  11. The reliability of the model is proved by the comparison between computation and observation in the following three cases, the distribution of vertical velocity of flow on two dimensional invariant flow, the distribution of vertical velocity of flow and transverse velocity of flow on three dimensional invariant flow in the flume

    分別對垂向二維恆定流的垂向流速分佈，實驗水槽三維恆定流的垂向流速分佈與橫向流速分佈進行了計算，將計算結果與相應的實測資料以及理論結果對比分析，證明了模型的可靠性。
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