In this simulation, the particle trajectory affected by the temperature in the compressor must be considered because the high gas velocity leads to the gas temperature increasing. 在分析中将压气机内的流场按可压缩气体处理,同时考虑温度对颗粒运动轨迹的影响。
In this paper, a particle trajectory model attached in an Eulerian-Lagrangian method is used to numerically simulate gas-liquid two-phase flow in RPB. 文中采用基于颗粒轨道模型的欧拉拉格朗日法对超重力旋转床中的气液两相流动与传质进行了数值模拟研究。
These results are also in qualitative agreement with the simulation results given by the particle trajectory model. 这些趋势与颗粒轨道模型的模拟结果定性上一致。
Ignition and combustion processes of boron particles with different diameters in unchoked solid rocket ramjets were simulated by the particle trajectory model. 采用颗粒轨道模型对非壅塞固冲发动机补燃室内不同直径硼粒子的点火及燃烧进行了数值模拟。
A simplified single particle dynamic model is proposed to study the particle trajectory in the classifier rotor. 通过引入一个简化的单颗粒动力学模型,对颗粒的运动轨迹进行了模拟。
Particle Trajectory Model Used in Numerical Simulation of Flue Gas Desulfurization Spray Tower 颗粒轨道模型用于烟气脱硫喷淋塔两相流数值模拟
The gas phase is solved with SIMPLE algorithm in non-staggered grid system, and the liquid phase is solved with PSIC algorithm by adopting the particle trajectory model. The calculation results of the flowfield under four different conditions are reasonable. 在非交错网格体系下,气相用SIMPLE法求解,液相采用颗粒群轨道模型,并用PSIC算法对其进行数值求解。
Particle trajectory model and two order upwind finite volume method were used to simulate two phase flow under longitudinal and transverse acceleration, and the effect of these accelerations on particle trajectory and agglomeration zone analyzed. 计算中应用了颗粒轨道模型和二阶迎风有限体积方法,对纵、横加速度载荷下的两相流动进行了模拟,分析了纵、横向载荷对两种发动机燃烧室内粒子场和聚集带的影响;
The particle trajectory model and the Monte-Carlo method are employed in this study for modeling the chamber fluid field. 本文采用颗粒轨道模型和蒙特卡洛方法对燃烧室流场进行模拟。
Lagrangian Approach for Particle Trajectory in Turbulent Flow 紊流场中固体颗粒运动轨迹的Lagrangian模型
SIMPLE algorithm with the 3-D non-staggered grid system was employed to solve the governing equations. The liquid phase equations were solved with the particle trajectory model and the PSIC algorithm. 在非交错网格下求解气相采用SIMPLE算法,液相采用颗粒轨道模型和PSIC算法。
Accurate Calculation of Influence of Electrode Perturbation in Electromagnetic Focusing System on Particle Trajectory 精确分析电磁聚焦系统结构参数微小变化对粒子轨迹的影响
The particle trajectory model and its simulation in composite particle beds 混合颗粒床中颗粒轨道模型及其数值模拟
The block-structured grid is generated by zone method and elliptic partial differential system. The k-ε turbulent model, EBU-Arrhenius turbulent combustion model and six-flux radiation model and the particle trajectory model are used in calculation. 计算中采用区域法和偏微分方程法生成三维贴体网格,采用标准k-ε双方程紊流模型,EBU-Ar-rhenius紊流燃烧模型和六通量热辐射模型。
The velocity distribution at various sections and particle trajectory within the modified cyclone separator were presented. 给出了经改造后的细粉旋风分离器内不同截面的速度分布和粒子轨迹。
Numerical Simulation for Particle Trajectory in Tubular Electrostatic Precipitator 管式电除尘器中粉尘颗粒运动轨迹的数值模拟
The model is used to predict the velocity, particle trajectory and concentration of the particle phase in circulating fluidized bed. 这一模型可用于预测循环床中颗粒相的速度、颗粒轨迹和颗粒相浓度。
Particle trajectory in the transition region of rotational discontinuity 旋转间断过渡层中的粒子轨道
To determine the particle trajectory, the description of the influence of the gas phase on the turbulence diffusion of particles is based on the Monte Carlo method of Blown particle diffusion. 而气相对粒子湍流扩散的影响则由类似于布朗粒子扩散的MonteCarlo方法来描述,实现了对确定性轨道模型的修正。
A kind of new interior ballistic model ── particle trajectory model is introduced in this paper. 该文介绍了一种新型的内弹道两相流模型&颗粒轨道模型。
They can be utilized to calculate particle velocities and trajectories within a mesh cell or random eddy in particle trajectory/ stochastic trajectory model. 在采用颗粒轨道或随机轨道模型时,它们可用于计算流场网格单元控制体或湍流随机涡团内颗粒运动的速度和轨迹。
The flow field of the gas phase is obtained by solving the Reynolds time-averaged conservative equations under Euler coordinate system while the motion of droplets is simulated using Lagranian particle trajectory model respectively. 进而采用欧拉坐标系求解气体相时均守恒控制方程组来模拟气体流场,液滴相的运动则在拉格朗日坐标系下采用颗粒轨道模型进行模拟。
Based on the induced magnetic field of the conducted melt in a rectangular pipe, the 2 dimensional flow field is computed, then the inclusion trajectories are obtained by solving the MHD equations and the particle trajectory equations, respectively. 推导了矩形管通电金属液的感应磁场,基于磁流体力学方程组,数值计算了二维金属液诱生流场,并追踪了夹杂物颗粒在流场中的运动轨迹。
The use of MATLAB/ SIMULINK outside the trajectory of the projectiles carried out simulation calculation, the trajectory angle over time to respond to map the results of particle trajectory outside the range of local maps and diagrams to enlarge the simulation data, combined with tests demonstrated. 利用MATLAB/SIMULINK对弹丸的外弹道进行了仿真计算,得出了弹道倾角和仰角随时间的响应图、质点外弹道结果图以及射程的等仿真数据,并结合试验进行了论证。
In the choice of a suitable simulation program, the pair of cyclone flow field, particle trajectory, and different operating conditions and structural parameters of the pressure loss and separating efficiency and other parameters of the simulation. 在选择了合适的数值模拟方案后,对旋风子的流场、颗粒的运动轨迹、以及不同操作条件和结构参数下的压力损失及分离效率等参数进行了模拟。
Combined with voltage load, we did transient dynamic analysis for the model, and in post-processing observed the particle trajectory in the wall inside the pump. 在加上电压载荷后,对模型做瞬态动力学分析,在后处理中观察微泵内壁表面质点的椭圆运动轨迹。
The dust collection effects of the particles with different sizes were simulated. The particle trajectory graphs before and after the improvement were obtained. 模拟了改进前后集气罩对不同粒径的焦尘的收尘效果,得出了焦尘颗粒轨迹图。
Then add the jet source of dispersed phase at the inlet, using the particle trajectory model to track the trajectory of solid particles, and get their movement patterns and distribution. 之后在进口处加入离散相射流源,利用颗粒轨道模型跟踪固体颗粒的轨迹,得到其运动规律和分布状况。
As can be seen from the particle trajectory, the particles are deposited on the back of dynamic electret filter fiber because of the electrostatic force. 由颗粒运动轨迹可以看出,动态驻极体的背风面有带电颗粒的沉积,这是由静电力的作用而造成的。
The new formula for the advection time is found to be consistent with estimates derived from the use of particle trajectory analysis in the numerical model. 通过估算公式计算出来的对流时间与数值模型利用粒子轨迹分析得到的结果相一致。