流函數 的英文怎麼說

中文拼音 [liúhánshǔ]
流函數 英文
current function
  • 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...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form

    方程流函數形式兩重網格演算法的殘量型后驗誤差估計
  2. 2. dynamic meteorology : equations of motion ; geostrophic, ageostrophic and gradient winds ; thickness and thermal wind ; continuity equation ; stream function ; vorticity equation ; divergence equation ; omega equation ; rossby wave ; ekman layer ; numerical weather prediction

    2 .動力氣象學：運動方程地轉風非地轉風及梯度風厚度及熱成風連續方程流函數渦度方程輻散方程奧米茄方程羅斯貝波埃克曼層數值天氣預報。
  3. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  4. Cfx software is used to simulate flow fields of water cushion pool. contour stream line, vortex and kinetic energy in water cushion pool are found and offered as visualization form. the results of numerical simulation and piv are analyzed and compared in this paper

    使用數值軟體（ cfx ）對此水工實驗模型的淹沒射流流場進行了數值模擬，得到水墊塘內的速度場、等流函數線圖，將這些計算結果以可視化結果的形式給出。
  5. 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
  6. And then, the cavity flow is simulated, and the streamline and pressure contour at different reynolds number are plotted, the stream function and location of vortex centers are agree well with the previous results, which indicate the incompressible lattice bgk model is reliable

    進而對方腔流的速度場和壓力場進行了計算，繪制了不同雷諾數下的流線圖及壓力等高線圖，得到的迴流渦的位置和流函數的值和現有的數據十分吻合，表明本文不可壓格子模型是可靠的。
  7. The sea surface high ( ssh ) images in winter show almost a reverse pattern of that in summer

    模擬得到的流函數表明海盆尺度氣候平均意義下的南海上層海洋動力是sverdrup平衡。
  8. The concept of convection transport is proposed to " see " the nature of the convective phenomena. the ability to see is very attractive, for the engineers and customers are much convinced by their seeing. unified convection transport functions ( streamfunction, heatfunction and massfunction ) are derived from the governing equations to describe the fluid, heat and mass transport respectively

    作者在對流控制方程的基礎上定義了描述流體、熱、質傳輸統一的對流傳輸函數（流函數、熱函數、質函數） ，並分析了傳輸函數及其傳輸路徑（流線、熱線、質線）的基本性質。
  9. By simplifying the discharge formulas, the linear graphic method is introduced into the method of isolated - well to conversely calculate the hydrogeology parameters

    摘要在分析割離井法井流函數性質的基礎上簡化了井流函數，將雅各布直線圖解法引入割離井法以反求水文地質參數，並進行了實例驗證。
  10. The type curves are caculated and graphed. the well functions are simplified and the values of well functions in common use are caculated. as an example, the aquifer parameters are determined according to the type curve method

    為了方便計算和應用，文中計算並作出了一些常用的井流函數值表，並舉例說明了用配線法求水文地質參數和非線性滲流模型參數的方法。
  11. Stream function theory

    流函數理
  12. 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。
  13. In terms of the real data, the mass stream function is calculated by two methods, results indicate that both methods fit well with the need for calculating the climate and its anomaly of the mean meridional circulation

    本文通過實際資料的計算比較了質量流函數的兩種計算方案，驗證了簡化方法同樣適用於平均經圈環流的氣候及其異常的分析需要。
  14. In the third section, the asymptotic behaviors of the solution for the generalized burgers equation with convective function and nonconvective function are analyzed, respectively, both of which tend to the corresponding steady equation

    （ 2 ）分別討論了廣義burgers方程（ 0 . 2 ）在有對流流函數f （ ）及無對流流函數時解的漸進行為，它們分別趨于相應定常問題的解。
  15. 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。
  16. ( 6 ) as dean number is increased, the secondary flow firstly becomes symmetry and then the anticlockwise vortexes are enlarged, the contours of axial velocity and the stream function become symmetry, the secondary flow is intensified and the friction factor ratio increases

    （ 6 ）增大dean數，二次流先趨于對稱而後逆時針方向的二次渦增大，軸向速度和流函數等值線趨向于對稱，摩擦系數比增大。
  17. ( 5 ) as torsion is increased, the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1

    （ 5 ）增大撓率，逆時針方向旋轉的一二次渦和流函數的負值區域增大，軸向速度最大值的位置按逆時針（環形截面）或順時針（圓截面）方向旋轉，摩擦系數比最終趨向於1 。
  18. Finally, in order to reduce the torque ripple of srm the fuzzy - control system is established in which the torque - sharing current function is controlled to reduce torque ripple. at last the simulation results are given

    最後針對開關磁阻電機轉矩脈動較大的缺點，建立模糊控制系統，通過對轉矩?電流函數的控制來減小轉矩脈動，取得了較好的效果。
  19. The nonlinear exponent is a function of the radial distance from the pumping well. the two - regime well flow problems being in the steady state. in the fourth chapter, the problems of two - regime well flow have been discussed concentrating on a kind of special seepage law

    第四章對一種特殊的非線性滲流規律即充分紊流的情況，進行了全面、詳細地討論，推導出了該情況下井流問題的滲流速度、水頭降深和井流函數的解析表達式，作出了些具有代表性的標準曲線。
  20. The streamlines of the flow are obtained from an exact analytical treatment of the stokes equations by making use of finite element methods and complex function theory. based on the calculations, the formation and evolution of vortices in the flow are visualized

    運用有限元方法，從斯托克斯方程，連續性方程和流函數方程出發，通過有限元離散、等參元映射、數值積分和牛頓迭代，得到有限元方程的精確數值解，利用后處理軟體對得到的數值結果進行了可視化處理。
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