能量方程
- 网络the energy equation
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根据Euler方程对推导出的弹性约束条件下薄壁构件的能量方程进行了验证。
Euler-equation of the derived energy equation is testified .
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划分时采用流体力学能量方程,位能加动能之和用E指数表示;
The main method employed in classifying grades is Energy Equation in Hydromechanics . E index stands for the sum of potential energy and kinetic energy .
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运用紊动的粘性不可压流体的运动方程(N-S方程)、连续方程和能量方程,建立了圆形淹没紊动射流的边界层方程。在此基础上采用时
Using the motion equation ( the N-S equation ), the continuity
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主要讨论了在星形区域中具有常边值条件的液晶能量方程的stationary解的连续结果。
This paper mainly discusses the constancy results of the stationary solution of the nematic li_quid crystals equation with constant boundary .
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二维三温能量方程的Krylov子空间迭代求解
Application of Krylov iterative methods in two dimensional three temperatures energy equation
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用积分微分法数值求解非定常完全NavierStokes方程及能量方程的外部问题
Numerical Solution of External Problems of Unsteady Whole Navier Stokes Equations and Energy Transport Equation by Integral Differential Method
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最后将Reynolds方程和能量方程通过节点压力和温度相耦合获得轴承的瞬态三维温度场。
Then the transient three dimensional temperature field of the bearing is acquired by combining the energy equations and the Reynolds equation through the nodal temperature and pressure .
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非线性的区域能量方程组的求解采用Broyden方法。
The solution of the non-linear zone energy coupled equations is obtained by Broyden method .
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大空间建筑室内空调温度场的数值模拟中,CFD模拟结果的可信度极大地取决于能量方程边界条件的合理设定。
During the simulation of the temperature distribution in an air-conditioned large space , the reliability of the results depends mostly on the disposition of the boundary conditions of the energy conservation equation .
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计算了扭曲叶片S2流面的湍流流场.在非正交曲线坐标可压湍流方程组中包含了以无量纲形式表示的能量方程,熵方程和K-ε湍流模型方程。
These equations are derived with non & orthogonal curvilinear coordinates and by no-dimensional form . The general difference expression of energy equation , k and ε equations and entropy equation are adopted .
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采用离散坐标法、控制容积法耦合求解辐射传递方程、能量方程及N-S方程。
The discrete ordinate method and the control volume method are employed to solve the radiative transfer equation and the energy equation combined with the N-S equation .
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计算得到的壁面温度与热流直接加载到CFD模型的能量方程中,从而实现边界条件的精确化。
The calculating results of wall surface temperature and heat flux could be directly treated as the energy boundary conditions in the CFD model , and thus the accuracy of boundary conditions can be derived .
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引入了含机油填充率的扩展Reynolds方程,给出了弹性变形方程、油膜能量方程、热传导方程和载荷平衡方程以及相应的边界条件。
Extended Reynolds equation contained with lubricant fill ratio is introduced . Equations of solid elastic deformation , oil film enery , thermal conduction and loading are given as well as their boundary conditions .
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计算中对结构复杂的刷丝部分采用多孔介质处理,用Darcy定律取代动量方程,能量方程采用改进形式,而对其它部分采用简单的矩形网格进行完全N-S求解。
The brush bristles were taken as a porous material and the Darcy law was used instead of the standard momentum equation . For the rest of computational domain , the N S equations in the original forms were applied .
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本文由Maxwell方程导出了微型自由电子激光的电子辐射能量方程,上述微型自由电子激光器是利用铁电单晶体强大周期性表面势来设计的。
The equations of electron 's radiation energy are derived from Maxwell equations for the micro free electron lasers which are designed by using the strong periodic surface potential of a ferroelectric single crystal .
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文中根据雷诺边界条件,通过联立求解SFD的雷诺方程、能量方程得到了SFD的压力分布、滑油流量等参数。
The parameters such as oil film pressure , oil flux and so on are obtained from joint solution of Reynolds and energy equations of SFD .
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采用控制容积法离散能量方程和N-S方程,并用SIMPLEC算法进行迭代求解。
The energy equation and the N-S equations were discretized by the control volume method ( CVM ) and solved by the SIMPLEC algorithm .
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通过引入广义的Darcy定律代替渗流的动量方程,最终得到两个全场求解的控制方程:连续性方程演化的压力方程和能量方程演化的焓方程。
As using the general Darcy 's law instead of the momentum equation , we get two equations : the pressure equation derived from the continuity equation and the enthalpy equation from the energy equation .
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在电子云中电子的运动特性可以用由连续性方程、动量方程、能量方程、Poisson方程和热传导方程组成的流体方程组来描述。
In the electron clouds which supported by the Penning discharge the property of motion of electrons can be described by the fluid equations : continuity equation , momentum equation , energy equation , Poisson equation and heat transfer equation .
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对能量方程以及动量方程源项的加入,辐射项的处理,物性参数的设置采用了UDF编程的方法,对Fluent软件做了二次开发。
The source of the energy equation and the momentum equations , radiation treatment and the set of the physical properties use the method of programming UDF . It is the secondary development of FLUENT .
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用WKBJ法得到了不均匀惯性重力内波的频散关系和能量方程。
By means of the WKBJ method , the dispersion relation and the energy equation of the nonhomogeneous internal inertia-gravity wave are obtained .
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采用有限元法,用ANSYS软件计算并描述了水平式双辊铸轧铝薄带熔池内液态金属流动与传热的NS动量方程、能量方程及κε湍流双方程等。
By the finite element method , the N-S momentum , energy equations and turbulence κ - ε double equations et. which describe the fluid flow and heat transfer in the pool of the level twin-roll strip casting are computed through utilizing ANSYS software .
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在建立高热流密度相变均热板传热模型的基础上,通过对能量方程的离散和边界条件的设定,应用Fluent计算软件,采用数值计算的方法对均热板底板的传热特性进行了分析。
Based on the heat transfer models of cold plate with high heat flux , the energy equation is dispersed and boundary conditions is set , then heat transfer character of bottom of cold plate has been analyzed by Fluent of CFD Software .
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各级划分是采用流体力学能量方程,位能与动能之和用E指数表示,再将E值按P-Ⅲ型分布将其密度函数转换成Z指数,按Z值正态分布特点划分洪水等级。
E index stands for the sum of potential energy and kinetic energy . According to P - ⅲ type distribution , its density function is converted into Z index . Finally , the flood grades can be classified according to the property of normal distribution of Z index .
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采用StreamlineUpwind/Petrov&Galerkinformulation(SUPG)方法构造非对称权函数,克服了能量方程对流项占优时数值解的失真,获得了剪切生热情况下的温度场分布;
By adopting Streamline Upwind / Petrov-Galerkin ( SUPG ) formulation for the selection of the unsymmetrical weight function for energy equation , the distortion of the numerical results was overcome when the convective term is dominant .
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结合Casson流体的本构方程、力平衡关系式及非牛顿流体能量方程,得出了Casson流体管流速度分布及温度分布。
Combining the constitutive equation of Casson fluid with the force-balance relation and the energy equations of non-Newtonian fluid , the velocity and temperature profiles for pipe flow of Casson fluid are obtained .
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通过用BrinkmanextendedDarcy方程分析多孔层内流体的流动,以及在能量方程中加入弥散系数,得到模型内速度场和温度场的理论解。
Through analyzing the flow in the porous matrix with the Brinkman extended Darcy equation and through including the effect of dispersion by adding the dispersion coefficient into the energy equation , the theoretical solution of velocity distribution and temperature fields were obtained .
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本文用逐阶近似法分析了相对论电子洛仑兹力方程和能量方程,获得了振幅螺旋变化的周期wiggler场自由电子激光器的增益表达式。
In this paper , Lorentz equation and energy equation for relativistic electron are analysed by using the method of successive order approximation , the gain expression on free-electron laser with periodic wiggler field of helical variance amplitude is obtained .
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焦耳热效应的数学模型包括控制电势场的Poisson-Boltzmann方程,控制流场的修正Navier-Stokes方程和控制温度场的能量方程。
The mathematical model of Joule heating effects includes Poisson-Boltzmann equation governing the electric double layer field , the modified Navier-Stokes equations governing the flow field , and the energy equation governing the temperature field due to Joule heating .
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以FLUENT作为模拟平台,通过UDS添加固相能量方程,将多孔介质的单温度模型修正为气固相耦合传热两温度模型,以源项的形式添加化学反应,将化学反应热添加到气固相能量方程。
FLUENT as the simulation platform , add solid-phase energy equation by UDS , one-temperature model of porous media is corrected to the gas-solid phase two-temperature model coupled heat transfer , add chemical reaction by source term , the chemical reaction heat is added to the gas-solid energy equation .