boundary layer equation 中文意思是什麼

boundary layer equation 解釋
邊界層方程式
  • boundary : n 邊界，疆界，限界 （between）;（球場）邊線；界標；界限，范圍，分野。 aboundary dispute 邊界糾紛...
  • layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
  • 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。
  1. On the basis of prantel boundary layer idea, wind sand fluid of irreducible rare phase as research object, by the foundation of general equation of wind sand fluid, in the condition of basic hypothesis, the boundary layer equation of car roof surface is set up and the boundary condition the fluid slippage character in solid wall surface is given

    摘要基於普朗特的邊界層思想，以不可簡化成稀相的風沙流體為研究對象，以風沙流的一般方程為基礎，在基本假設的條件下，建立了高速轎車車身頂部過流表面的邊界層微分方程並給出沙流在近壁表面以滑移為特徵的邊界條件。
  2. According to the feature of oils, the evaporation of crude oils is not controlled by the boundary layer and the prediction equation based on the water evaporation equation is not correct theoretically

    結合原油組分特點，認為過去將原油蒸發當邊界層控制來處理，以及以純水蒸發速率方程為基礎通過修正而建立起的原油蒸發速率方程是缺乏理論根據的。
  3. Actually, n - s equation has three unknown functions u, v, p and three equations, now prandtl boundary layer equation has two unknown functions w, vand two equations only, and viscosity terms has partly reduced

    原來有三個未知函u ， v ， p及三個方程，現在只有兩個未知函數u ， v及兩個方程，且粘性項也少了一些，這些都是簡化的地方。
  4. In chapter two, according to n - s equation, considering the couple between liquid and solid, the double - fluid model is used to respectively set up momentum equations of two - phase fluids in condition of basic hypothesis, which are general equations of two - phase fluids. simplifying the equations in boundary layer, the momentum differential equations are required and the boundary conditions are given. in the same time, the simplifying equations and their solutions, in which solid grain satisfies in boundary layer

    第二章依據n - s方程，考慮到液、固之間的相間耦合，在基本假設條件下，採用雙流體模型，分別建立液、固兩相的動量方程，它是固液兩相流體的一般方程式；對其在邊界層流區內進行量級比較，得到邊界層動量微分方程並給出其邊界條件，同時也得到固體顆粒在邊界層內所滿足的簡化方程及其解的表達式。
  5. Momentum integral equation of turbulent boundary layer on ogree section of spillway dam in considering the gravity and centrifugal force

    考慮重力及離心力的溢流壩反弧段紊流邊界層動量積分方程
  6. The creative points of the thesis are as follows : （ 1 ） the thesis establishes turbulence boundary layer equation that contains centrifugal force in flow field of two - dimension boundary layer of centrifugal pump and gives its solution

    本文創新之處是： （ 1 ）在離心泵葉輪二維邊界層流場內，建立了包含離心力的湍流邊界層方程並給出了近似解。
  7. 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。
  8. By the integral to boundary layer thickness and relative conditions, the momentum integral equation of boundary layer is obtained

    通過對邊界層厚度的積分並利用相關條件，得到了邊界層動量積分方程。
  9. Firstly, based on n - s equation, the momentum differential equation （ contained centrifugal force ） is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer, the momentum integral equation is deduced. the dimensionless centrifugal factor is introduced, then the solution of the momentum integral equation is obtained. the dimensionless group is introduced to determined separation of boundary layer

    本文首先根據粘性流體力學的一般方程，通過在邊界層內進行量級比較，在所限定的范圍內得到了含有離心力的邊界層動量微分方程並給出其滿足的邊界條件，然後對該微分方程在邊界層內積分得到離心泵葉輪邊界層動量積分方程，在求解過程中引入了無量綱離心因子，並作了相應合理的假設，得出積分方程解的一般表達式，並引入以邊界層動量損失厚度為主要特徵量的無量綱參數對邊界層分離進行評價。
  10. Boundary layer phenomena of third - order nonlinear equation is studied in this paper

    摘要研究某類三階非線性方程的邊界層現象。
  11. This paper has established a class of mathematics model about prandtl boundary layer problem. compare to navier - stokes equation, prandtl boundary layer equation has important simplicity and easier

    普朗特邊界層方程和納維? ?斯托克斯方程相比，有了重大的簡化。
  12. In this paper i has applied inverse operator method to the solution of the nonlinear boundary layer equation on base of the former knowledge, and have gotten the approximate analytic solution

    本文把逆算符方法應用到了普朗特邊界層方程上來，並且求出了逼近解析解。
  13. But on the other hand, should also see, boundary layer equation as before is a nonlinear differential equation set of two steps, the nonlinear nature of equation is still retained, so solving this system of equations on mathematics untie is fairly difficult

    但另一方面也應看到，邊界層方程依舊是一個二階的非線性偏微分方程組，方程的非線性的性質仍然保留，這使得在數學上求它的解還是相當困難的。
  14. Applying the energy equation and boundary layer theory, this article also analyzed the relationship of energy transformation of overflow, and obtained the experience index and formula of instability critical conditions

    並應用水流能量方程和邊界層理淪，研究了圍堰過水時的水流能量轉換關系，得到了穩臨界條件的指標和經驗判別式。
  15. Navier - strokes equation was solved using simple method. lam - bremhorst k - e was used to simulate turbulent flow. it was indicated in this thesis that a longitudinal vortex would be produced after the jet exhausted from a plate into a boundary layer at a pitch angle and a skew angle

    研究結果表明，有一定傾斜角度的單個射流與主流作用后，將在下游產生一個流向渦旋，渦旋使得邊界層內的速度和雷諾應力發生嚴重扭曲，從而形成上洗區域和下洗區域。
  16. To compare with great deal of experimental data, the results show the improved method could be used as a generalized design methodology of film cooling for turbine blade. predictions of span - wise averaged effectiveness are made with a two - dimensional boundary layer code using the low reynolds number k - two - equation turbulent model

    研究並發展了用低雷諾數k -紊流模型為基礎的氣膜冷卻計算方法，將前人針對平板提出的摻混模型推廣應用於渦輪葉片型面，得到了與實驗數據符合良好的結果。
  17. In the basis of the references on a centrifugal pump of two - phase fluids from domestic and oversea, its theory of boundary layer is presented and set up and the modular curve equation of vane is received in this paper

    本文在綜合國內外關于固液兩相流離心泵及與之相關文獻的基礎上，首次提出並建立了固液兩相流泵的邊界層理論，給出了葉片型線方程。
  18. Based on the theory of boundary layer and analysis of the velocity field of main flow, the thesis also derives the vane shape equation. in the equation, （ angle of pump vane ） is variable parameter, （ velocity coefficient ） is introduced as medium factor, which connects the theory of boundary layer with the eular theory. it provides a valuable reference for the designation of vane of pump

    基於離心泵葉片邊界層理論和對主流區速度場的分析，給出了離心泵葉片型線參數方程，它以葉片角為變參數，引入速度系數作為中間因子，將邊界層理論和歐拉理論聯系起來，並在離心泵葉輪的設計過程中統一起來，能夠在設計中就根據實際的需要防止或控制過流表面的邊界層的分離。
  19. New results about the existence of the positive solutions to a singular integral equation are obtained in the form of ( the equation is abbreviated ), t ( 0, 1 ), in the boundary layer theory

    摘要對邊界層理論新結果中出現的一類奇異積分方程（方程式略） ， t （ 0 ， 1 ）進行討論，並得出了上述方程在（ 1 / 2 ， 0 ）上正解存在性的新結果。
  20. Dr. zhu yucai first presented the theory of boundary layer of centrifugal pump and derived the vane shape equation. based on the theory and analysis of references abroad and home on centrifugal pump, the thesis creates a mathematic model of turbulent boundary layer of centrifugal pump

    朱玉才博士首次提出了離心泵邊界層理論並給出了葉片型線方程，本文就是基於朱玉才博士研究工作的基礎上，通過大量分析國內外有關文獻，建立離心泵葉輪湍流邊界層的數學模型。
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