two-fluid equation 中文意思是什麼
two-fluid equation
解釋
兩種流體運動方程-
First, according to the design requirement of hydraulic valve, the particular parameter of the valve is put forward, and the navier - stokes equation of the two - dimension impressible viscid fluid in the hydraulic valve is set up
本文選擇液壓閥中的溢流閥為具體研究對象。根據溢流閥的性能要求，確定了閥的具體參數，完成了溢流閥的設計。 -
Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up
根據高速列車粘性紊態繞流的特點，在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎，建立了高速列車外流場的計算模型，在近壁區域採用壁面函數修正紊流模型。 -
The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型，由兩相分離流動理論得到控制方程，採用chorin的直接速度-壓力mac法的思路，對新型油水分離裝置內油水兩相流動作了細致的分析，同時首次把科氏慣性力引入兩相流模型中，進行分析和計算，將研究擴展到三維，並用有限元法分別解poisson方程、 n - s方程、連續方程的方法，對流場內壓力場、速度場、濃度場進行了分析和計算，較好地模擬了新型油水分離裝置內油水分離的現象，證明了設計方案的正確性。 -
The characteristics of power law fluid governing equation was elaborated and the effect of viscosity and flow exponent on two - phase flow was studied
摘要闡述了冪律流體控制方程的特點，研究了冪律流體的稠度系數和流動指數的變化對兩相流動的影響。 -
A kind of two - equation turbulent model of charged fluid flow is constructed, in which the interaction between electric field and flow field is considered. based on analyzing the properties of forces on the charged droplets in the spray, pseudo - fluid of charged droplets phase method is adopted to develop a kind of charged two - phase turbulent model. this model takes account of the interaction between charged droplets phase and electric field, the inter - phase action between droplets and gas, convection and diffusion of droplets " turbulent energy
考慮電場與流場的耦合作用，建立了荷電流體的湍流模型，在荷電顆粒受力分析的基礎上，採用顆粒擬流體的方法建立了荷電氣液兩相湍流理論模型，該模型考慮了荷電顆粒相流場與電場的耦合作用，氣相與顆粒相的相間作用以及顆粒相自身湍能的對流與擴散。 -
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。 -
Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion, and adding the wall lift force into the bubble motion equation, and the fluid velocity, turbulence intensity and shear stresses modified by the bubble motions can also be revealed
數值模擬結果表明，通過加入壁面升力和採用雙向耦合方法，可以較準確地預測氣泡濃度分佈和揭示氣泡流動對流體湍流結構的影響。 -
The cubic law which describe the law of fluid flow in fracture is based on parallel plate joint model, in this paper the cubic law is modified and non - parallel wedge - shaped joint fluid flow equation is formed, coupling relation between seepage and stress is given based on permeability and joint distortion as the linkage between two field, while the coupling mechanism is simple and explicit
描述裂隙水流運動規律的立方定律是建立在平行板裂隙模型基礎上得出的，本文對立方定律進行了修正，推導了非平行楔形裂隙水流方程，根據滲透性和裂隙面變形關系給出了單裂隙滲流與應力耦合公式，耦合的機理十分簡單、明確。 -
In chapter one, we consider the characteristics - mixed finite element numerical simulation for the euler equation for an incompressible fluid with zero viscosity in two dimensions
本文討論了兩類發展方程二維不可壓無粘流問題和線性積分微分方程的數值模擬。 -
The character of pseudothermal temperature equation is expounded ; numerical computation of two phase flow of power law fluid in different kind of pump impeller blade and under the influence of its material parameters ( viscosity and flow exponent ) has been performed
摘要詳細闡述了顆粒擬溫度方程，計算了不同型線的葉輪及改變冪律流體物性參數對湍流流動的影響。 -
Evolution equation for two - dimensional nonlinear interfacial waves in a two - layer fluid
兩層流體中二維非線性界面波的演化方程 -
An implicit lu - sgs ( lower - symmetric gauss - seidel ) finite - volume method is used for solving the full, compressible, two - dimensional navier - stokes and species transport equations. for turbulence closure a two equation ( k - e ) model is used. the combustion process in chemical nonequilibrium is modeled by a 7 - species, 8 - reaction steps finite - rate chemistry and is implicitly coupled with the fluid motion
採用lu - sgs有限體積法求解了包括兩方程（ - ）湍流模型和7組元8方程有限速率化學反應模型的緊耦合二維n - s方程，數值模擬了氫燃料在燃燒室內的化學非平衡燃燒過程。 -
The mechanisms of flow - induced vibrations of the fluid - conveying pipes on offshore platform and in water are analyzed, the physical models and mathematical models of flows in pipes on offshore platform and in water are established, with the programs of numerical simulation, the flow of vibrating pipe, the force of flow - induced vibration in pipe on offshore platform and the lift and the drag of flow acting on the fluid - conveying pipe in water are solved, and the linear solution for equation of vibrating fluid - conveying pipe in water with the fixed supports in two ends is derived
分析了海洋平臺及水下輸液管道的流體激振機理，建立了相應條件下的物理模型及數學模型，應用matlab軟體編制了計算程序，對海洋平臺輸液管道內流流場、管道所受流體激振力及水下輸液管道繞流受力（橫向升力及縱向阻力）分別進行了求解，並推得了兩端固支條件下水下輸液管道強迫振動方程的線性解。
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