momentum equation of flow 中文意思是什麼

momentum equation of flow 解釋
水流動量方程
  • momentum : n. （pl. momentums, -ta ） 【物理學】動量；【火箭】總沖量；〈口語〉惰性；勢頭；要素，契機。 the momentum of attack 進攻的銳氣[頸頭]。
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  • of : OF ＝Old French 古法語。
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result

    但是，非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的，以連續方程和動量方程為基礎，建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。
  2. The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given

    其次在流動無粘性、不可壓及考慮葉片厚度的條件下，依據葉輪內的流動特性，推導了葉輪內三維流動周向平均流動控制方程以及葉片方程；在貼體坐標系中，採用有限差分法求解流動方程和葉片方程；在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下，迭代求解流動控制方程及葉片方程，實現了軸流泵葉輪的準三維方法設計。
  3. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型，並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響；根據mcfc的微分控制方程組，考慮氣體組分的熱力學性質及動量變化的影響，利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場，分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。
  4. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保角變換法和基於源匯渦分佈的面元法，建立了計算槳葉表面壓力分佈的數學模型；應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法，建立了計算機翼表面邊界層內部流動的數學模型；應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法，建立了槳葉表面二相流流動的計算方法和相應的計算機程序。
  5. For the actual situation of multiplayer production in most oil wells, velocity and flow change are considered in the model while fluid moves up the well, and conservation equation including continuous equation, momentum equation and energy equation are solved together

    對大多數生產井多層產液的情況，並考慮到井筒內液體在上升過程中的速度變化和流量變化，把質量、動量和能量守恆方程耦合聯立求解。
  6. When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard

    在泥石流堆積數值模擬方面，作者以前人工作成果為基礎，在建立數學模型時，根據質量守恆原理，推導建立了泥石流連續性方程，根據動量守恆原理，推導建立了泥石流運動方程;在數值解法上，充分利用高速發展的計算機技術，採用運算元分裂法建立數學模型的差分格式，開放式編製程序，人機對話方式設置參數，計算機程序具有通用性、可擴展性和易維護性。
  7. Based on the mass conservation law and momentum equations of incompressible fluid, the general equation for fluid flow in marching solution is established and the marching solution for flaid flow in manifolds is presented

    摘要以不可壓流體的連續方程和動量方程為基礎，將分支管流速作為未知量，建立推進演算法的基本方程和計算方法。
  8. 2, application of the modified k - e model by munk - anderson equation to gravity flow in reservoir shows that the modified model overestimates the turbulent intensity in reservoir. it results enhance of momentum exchange in vertical direction and large error in velocity

    採用munk - anderson修正的-模型模擬水庫重力下潛流，發現該修正模型過高地估計了水庫的紊動強度，使垂向動量傳遞加大，流速誤差明顯增加。
  9. ( 4 ) according to the coefficient in momentum differential equation, some traffic flow models are classified, analyzed and predicted by means of characteristic curve method

    （ 4 ）根據運動微分方程的系數將交通流模型進行分類，採用特徵線法對各種模型進行了分析和預測。
  10. For convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted. in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time. in the new method a pressure - gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure - correction equation

    本文基於結構化正交網格，為便於實施網格加密，採用了變量同位存儲的同位網格體系；為平抑該網格體系下的壓力振蕩問題，除採用動量插值方法外（單純採用該方法不能完全平抑振蕩） ，首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方法，從而完全解決了建築風場模擬中同位網格下可能出現的不合理壓力場的問題。
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