momentum equation 中文意思是什麼

momentum equation 解釋
動量方程式
  • 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。
  1. A general solution to the schrsdinger equation about the motion of the entangled atom of two cases is obtained. subsequently, the wave functions in momentum and coordinate spaces are given according to the atoms " ini initial nd next, the dynamic properties of the two - atom entangled system are manifested

    我們首先寫出兩種情況下系統的哈密頓量並解出薛定諤方程,可得到兩原子糾纏系統波函數的一般解,然後根據原子的初始條件得到了波函數在動量表象和坐標表象的特解。
  2. The procedure to modify the sss code is as follow : at first the hom eos ( equation of state ) is replaced by the sesame eos, secondly the magnetic force is added to the momentum equation, the ohmic heating rate is added to the energy conservation equation

    對sss程序改造過程大致如下:首先以sesame數據庫物態方程替換sss程序原有的物態方程;其次在動量守恆方程中加上洛侖茲力項,在能量守恆方程中加上單位質量焦耳加熱項,通過麥克斯韋方程推導出磁擴散方程。
  3. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演算法,主要內容可分為以下幾個方面:首先從積分形式的二維lagrange流體力學方程組出發,用有限體積格式進行計算,考慮壓力梯度分佈對速度和能量改變的影響,構造了在兩個控制體上的動量方程的計算格式,使得速度的改變受其周圍八個壓力的影響,在一定程度上推遲了網格相交的進程。
  4. 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。
  5. Then a one - dimensional unsteady incompressible flow with moving pollutant source model was proposed. the continuity equation, momentum equation and convection - diffusion equation were discredited using finite volume scheme. thus a software for predicting the air velocity and pollutant in railway double track tunnels was developed

    接著,根據雙線鐵路隧道運營通風的特點,建立了一維不可壓縮非恆定流和流動污染源的物理模型以及山相應的連續性方程、動量方程和對流擴散方程構成的數學模型;在此基礎上,利用數值計算方法,編制了一套雙線鐵路隧道運營通風的數值計算程序。
  6. 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。
  7. 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。
  8. 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。
  9. 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
  10. The momentum equations are integrated in time using the four - stage explicit jameson runge - kutta algorithm and discretized in space using fourth order accurate compact scheme as well as the pressure poisson equation

    動量方程的時間導數採用四步jamesonrunge - kutta法,空間導數和壓力poisson方程均採用四階高精度緊致格式。
  11. 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。
  12. 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。
  13. In the studying of the dielectric recovery mechanism, the dielectric process of high - power repetitive gas switches was analyzed theoretically, the conditions of full recovery of dielectric capability, and some qualitative results were obtained. then, a dynamic mathematical model of the dielectric recovery process was made, and a group of equations, including mass conservation equation, momentum conservation equation, energy conservation equation and state equation, were built. also, a mathematical model of the dielectric recovery process of a axially - blown gas spark gap, and a group of simplified hydromechanical equations were made

    在絕緣恢復機理研究中,首先對高功率重復氣體火花開關絕緣恢復過程進行了理論分析,提出了開關絕緣強度完全恢復的判據,得到了一些定性結論;然後建立了一般吹氣式氣體火花開關絕緣恢復的動態數學模型,得到了包括質量守恆方程、動量守恆方程、能量守恆方程和狀態方程等的一個完備方程組;建立了縱吹式氣體開關絕緣恢復過程的數學模型,得到了一個簡化流體力學方程組。
  14. The calculation formulas for velocity coefficients 2 and 5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time - averaged basic equations by use of the unsteady momentum equation and time - averaged value calculation method

    摘要運用非恆定的動量方程和時均值計算方法,對脈沖液體射流泵時均值基本方程中的流速系數進行了理論研究,推導出了喉管和喉管進口段流速系數2和5的計算式。
  15. In this paper, the continuity equation, the momentum equation, the k equation and the e equation are used to set up the theoretic model. the flow in the intake port is looked upon as the three - coordinate steady flow, but the heat transfer between the all and the flow in the intake port is n ' t considered

    本論文利用連續性方程、動量方程、 k方程、方程建立氣道流動理論模型,將氣道內流體看作三維定常流動,不考慮氣道壁面與流體之間的熱傳遞。
  16. Combining the simplified momentum equation, energy equation and state equation of compressible sticky fluid, this paper establishes the numerical model to study the heat - transfer property of the substances in super - critical waterwall tubes with the newest international water and steam standard - iapws - 97

    本文採用最新的國際水與水蒸汽標準iapws - 97 ,通過聯立求解簡化的可壓縮黏性流體的動量方程、能量方程和水與水蒸汽的狀態方程,建立數值模型研究超臨界水冷壁管內工質的傳熱特性。
  17. System volume flux was gained by loop integral the momentum equation

    利用環路積分的方法求解動量方程,進一步求得系統的體積流量。
  18. A two layer numerical model is given which includes vertical integration equation, momentum equation, temperature equation, and its adjoint equations to study the vertical diffusivity coefficient

    本文給出了一個二層數值模式,包括全流方程、運動方程和溫度方程,建立了一個伴隨同化模式來研究垂直混合系數。
  19. Generally in situations of collision between two masses, the impact force can be found from the impulse - momentum equation, i. e

    兩個物體在碰撞時都會承受相同大小方向相反的力,但那個力是如何求出
  20. Through the analysis of the attitude dynamic equation, the potential energy function is derived. the relationships of attitude varieties are derived from energy function and angle momentum equation and thus the attitude control laws of bias momentum satellite are put forward

    通過對衛星姿態動力學方程分析,得出衛星的勢函數,結合衛星的勢函數和角動量方程導出各姿態之間變化關系,提出利用地磁場實現偏置動量輪衛星姿態穩定的控制規律。
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