提出了模拟稠密气固两相流动的改进模型。
Improved models regarding dense gas-particle two-phase flow are proposed.
本文提出了气固两相流动的湍流扩散数学模型。
A numerical model for turbulent fluctuation and diffusion of gas-particle flows is presented.
运用气固两相流动理论，建立粉尘运动的数学模型。
A mathematical model of dust movement was derived from the gas-solid two-phase flow theory.
本文首先从理论上建立了磁流化床气固两相流动的动力学模型。
In this paper, a dynamic model of the gas-solid two phase flow in magnetically fluidized bed is established first.
为此，本文有兴趣对该区域的气固两相流动特性进行重新审视和仔细研究。
This work surveys and focuses on the characteristic of gas-solid two-phase flowat the exit region.
提出了数值模拟稠密气固两相流动的多重格子-真实轨道模型（MLAT模型）。
To simulate the cluster formation in dense two-phase flow, a multi-lattice actual trajectory (MLAT) model is developed.
计算结果表明颗粒间非弹性碰撞和气固间曳力的增大均使气固两相流动的非均匀性增大。
The results show that the stronger the particle-particle collisional dissipation and gas-solid drag force, the more heterogeneous the flow structure.
在具有粒子注入和回收系统的垂直激波管中，测量了气固两相流动激波前沿后松驰区的压力。
The pressures in the relaxation zone behind a shock front for gas-particle flow were measured in the vertical shock tube with a system of injecting and collecting particles.
根据气固两相流动和数学模型方面的研究，提出了磨蚀的计算方法和防止叶片磨蚀的有效手段。
Based on study to two aspects of gas-solid two-phase flow and mathematical model, the calculation program for blade erosion and the countermeasures are resented.
气力输送实际上是气固两相流动的问题，其数值模拟方法同研究气固两相流数值模拟方法相类似。
In fact pneumatic conveying is the question of the solid-gas two phase flows; its numerical simulation method of the research is similar to the solid-gas two phase flows numerical simulation method.
并就水平直管内的高载荷比气固两相流动进行了数值计算，其计算结果和收敛速度都是令人满意的。
Numerical results of a high loading dilute gas-particle flow in a horizontal straight pipe is given as an example.
在火力发电设备中，广泛存在着气固两相流动的问题，用计算机对气固流动进行模拟研究已成为重要手段。
Gas solid two phase flow problems are widely met with in power equipment and numerical simulation methods are often used for studying them.
计算结果与前人实验结果相符并表明，采用该模型及其算法模拟循环流化床内稠密气固两相流动是可行的。
These calculated results are in agreement with experiment ones. It shows that these models and algorithm are feasible and can be used to study the dense two-phase flow in a CFB efficiently.
本文对垂直气固两相流动系统中，从初始流态化到气力输送的整个区域内气固两相之间的相互作用规律进行了研究。
The interaction between gas and particles under different flow regimes, ranging from minimum fluidization to pneumatic transportation, was investigated in a vertical gas-solid flow system.
经循环流化床数值模拟的检验证明，新模型的计算结果与实验数据吻合，从而在稠密气固两相流动的数值模拟中具有相当的优越性。
In the numerical simulation of a CFB apparatus, the result of the new model agrees with the experiment data well, so it shows the remarkable advantage or simulation of dense gas-solid two-phase flow.
用颗粒动态分析仪(PDA)测量了悬浮床内气固两相流动的结构，确定了不同表观气速和不同进气结构条件下的两相流场的特点。
The structures of the gas solid two phase flow in the suspension bed were measured by a particle dynamic analyzer (PDA) at different apparent velocities for each of the nozzle structures.
将气泡生成脉动能量与气泡模型进行比较，结果再次论证本文分析方法的可靠性，本文的研究工作为稠密气固两相流动的研究揭开了一个崭新的篇章。
At last, the energy of the bubble formation frequency band was compared with the bubble model which shows the reliability of the analysis methods mentioned above.
在自然界和实际的工程应用中，气固两相自由剪切流动比较典型。
In the nature and practical engineering applications, the gas-solid two-phase free shear flows are typical.
本文通过采用实验和数值模拟的方法，研究了喷动流化床内气体混合特性以及床内气固两相的流动特性。
The dissertation studies the characteristics of gas mixing and the gas-solid two phases flow in spouted-fluidization bed with experiment and numerical simulation methods.
因此，开展对气固两相自由剪切流动的研究不仅具有重要的学术理论意义，也有广泛的工程应用价值。
So, it is not only of academic theoretical significance but also has the extensive engineering application value to carry out the study on the gas-solid two-phase free shear flows.
颗粒的流动速度是反应气固两相流流动状况的一个重要参数。
Particle velocity is an important parameter describing the flow state of gas-solid two-phase flow.
本文首先从实验数据分析的角度揭示了气-固循环流化床的两相流动规律。
In this paper, the two -phase flow behaviors of gas-solid circulating fluidized bed have been first studied by analysing experimental data.
论文成功研制了气固两相圆湍射流拟序结构实验台及其流动显示系统。
The gas-particle round jet coherent structure experimental system and the visualization system were successfully designed and manufactured.
气固两相射流具有高的颗粒温度，呈现强烈的气固两相湍流流动特性。
High granular temperature of particles appeared the intensity turbulence of gas-solid jetting flow.
对气固两相平板混合层流动，采用离散涡方法模拟气相场，轨道法跟踪颗粒的运动。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
湍流模型采用雷诺应力模型，研究对象为U型分离器内的气-固两相流动。
Reynolds stress model is used to serve as a turbulent flow model with the object of study being the gas-solid two-phase flow in a U-shaped separator.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型，考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响，数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型，考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响，数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
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