本文提出了预测圆筒型加热炉燃烧室内质量、动量及能量传递的二维数学模型。
A two-dimensional mathematical model has been developed to predict the transport of mass, momentum and energy in a cylindrical combustion chamber.
提出了一个简单的蒙特卡罗模型，可以与实验一致，有助于理解逐事件横动量起伏与多重数关联的动力学起源。
A simple Monte Carlo model is proposed, which can recover the data and thus shed some light on the dynamical origin of the multiplicity dependence of event-by-event transverse momentum fluctuation.
建立的尾流再附动力学模型包括：伞系统运动方程、尾流运动方程、伞衣-尾流动量交换方程。
The model includes three parts: equations of the motion for the parachute-store system, equations of the motion for the wake, equations of the momentum transfer between parachute and wake.
GASFLOW中代数模型不能较好模拟氢气的质量扩散和动量扩散，氢气的浓度场分布与其他模型的汁算结果间存在较大差异。
The results calculated by algebraic model in GASFLOW have large differences from the others in the simulation of mass diffusion, momentum diffusion, and parameter fluctuation.
而GASFLOW中代数模型未能较好地模拟氢气的质量扩散和动量扩散，氢气的浓度场分布与其他模型的计算结果存在较大的差别。
The results calculated by algebraic model in GASFLOW are different from the other results in the simulation of mass diffusion, momentum diffusion, and parameters fluctuation.
通过对气泡在流场中的运动和受力分析，给出了用以封闭模型的粘性应力、脉动应力、相间动量交换项的表达式。
Analysis of bubble motion in the flow field was used to develop relations for the viscous stresses, turbulent stresses, and interfacial momentum exchange to close the model.
模型耦合了连续方程、动量方程和组分守恒方程，并将质子膜中的净水迁移通量作为边界条件之一来处理。
The model couples continuity equation, momentum equation and species conservation equations. Net water transport flux in the membrane is considered as a boundary condition.
利用射频鞘层模型，推出了离子到达被加工材料表面时的动量的表达式。
Based on the rf (radio frequency) sheath model, the equation for ion momentum when reaching the material surface was derived.
根据泥石流运动数值模拟取得的泥石流流速和流深分布特征，建立了泥石流危险性动量分区模型。
A momentum model of debris flow risk zoning is set up according to the distribution of debris flow velocity and depth from the numerical simulation.
BP网络模型在加入动量项和引入权值控制算法进行改进后，不但预测能力有所改善，网络的训练速度也有了很大的提高。
The actual prediction ability of BP network model is improved and training velocity is increased by adding momentum factor and using the weight control calculation in the BP network model.
宏观部分着重介绍了一种耦合质量、动量、能量及溶质平衡方程的多相模型。
A multi-phase field model coupled with mass, momentum, energy and solute conservation equation was introduced to apply for macro simulation.
根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.
近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。
Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.
为此，本文还建立了一个简单的模型，试图得到在这种火灾场景下，对细水雾灭火的临界动量要求。
Then a brief model is proposed to obtain the critical spray momentum demand in the given fire scenario.
利用“三传（动量、能量、质量传递）一反（反应工程）”的原理，建立了固定床加压气化过程的数学模型；
Utilizing principle of momentum transport, energy transport, quality transport and reaction engineering, the mathematical model for coal pressure gasification on fixed bed has been established.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
研究了BP网络模型和BP算法，并对BP算法进行了加入动量项和自适应调节步长的改进。
BP network model and BP algorithm are also researched and BP algorithm is improved by adding the momentum item and self-adapting the length of train step.
分析了二能级原子在振幅调制驻波场中动量扩散模型。
In this paper the model of two level atomic momentum spread in amplitude modulated standing light wave was investigated.
建立圆管内滞止液体中长气泡漂移速度动量分析模型。
Set up was a momentum analysis model of the drift velocity in stagnant liquid of long bubbles in an annular tube.
结合动量理论和涡流理论，推导了桨叶环量方程，用广义尾流模型计算了旋翼下洗流场。
Combining momentum theory and vortex theory, rotor circulation equation was deduced. The rotor down-wash flow field was calculated using generalized down-wash flow model.
通过以上研究，得到了板厚比、焊缝位置和曲线焊缝半径对于拼焊板成形高度以及焊缝移动量的模型和规律性，为工程设计提供了参考依据。
With the FEM modeling for the curved weld line TWBs, the paper makes the comparison of linear and nonlinear weld line TWBs, which can help to offer the reference for the engineering application.
基于井筒多相流流体质量、动量、能量守恒原理，导出了描述其井筒压力、温度预测耦合模型；
Based on the mass, momentum and energy conservation of fluids in multiphase wellbore flow, the coupling model to predict pressure and temperature is deduced.
理论分析和数值试验的结果都表明，本模型严格地满足质量守恒定律和动量定理。
The theoretical analysis and numerical tests both show that this model strictly obeys the conservation law of mass and momentum.
以双流体模型为基础，通过质量守恒方程和动量守恒方程的耦合，提出了液液两相系中弥散传质的连续波模型。
A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.
通过构造出质系动量系统碰撞模型和采用线性编址双缓冲图形绘制技术，实现了质系动量定理的实时仿真。
By constructing momentum theorem collision model and employing addressable, double-buffered graphic rendering technology and the real-time simulation of momentum theorem is implemented.
根据动量守恒定律，建立了摩托车与汽车正面碰撞及直角侧面碰撞的数学模型。
Based on the law of momentum conservation, the mathematics patterns of front collision and vertical side collision of motorcycles and motor vehicles are developed.
基于叶素动量理论分析了小型风力机的气动性能分析模型，并提出了叶片的气动优化设计方法。
Based on the blade element-momentum theory, this paper studied the aerodynamic performance prediction model for small wind turbines.
以r22为制冷工质，根据质量守恒、动量守恒和能量守恒等热力学基本定理建立了空调冷凝器的稳态分布参数模型。
From basic thermophysical laws, a steady distributed parameter model of an air-conditioning condenser was constructed, in which R22 was taken as working fluid.
模型采用有限体积法对方程进行离散，采用与动量插值技术相结合的SIMPLEC算法进行模型求解。
The governing equations for flow-sediment transport are solved with the finite volume method and the SIMPLEC algorithm with the momentum interpolation.
在混合损失计算模型的基础上，应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。
Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.
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