气固两相射流有着广泛的应用领域。
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.
介绍一种气固两相流固相质量流量测量新技术。
This paper introduces a new measurement technique of gas-solid two-phase mass flow measurement.
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.
气固两相高度分散状态进行对流干燥达到除去水份的目的。
Good state of distribution between air and solid phase carries out convective dry in order to remove moisture.
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.
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.
本文还讨论了二体碰撞假设和混沌假设在气固两相流中的适用性。
The application of binary collision assumption and the assumption of molecular chaos to gas-particle flows is also discussed.
模拟计算表明气固两相射流速度沿轴向和径向减小,颗粒浓度下降。
Simulation results shown that the jet velocities of gas and particle phases, and concentration decreased along both the radial and axial directions.
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.
分析气固两相流在循环路径中的压力分布,并通过试验对其进行了研究。
Firstly, the pressure distribution of gas solid flow along the circulating route is analyzed and experimentally studied.
目前,气固两相流检测技术已成为多相流研究中的一个亟待解决的问题。
At present, the measurement techniques for gas-solid two phases flow have become a desiderative problem to be solved in multi-phase field.
本文首先采用直接数值模拟方法研究了三维气固两相绕圆柱的物理特征。
The main object is to study three-dimensional physical character of gas-solid flow past a circular cylinder by using direct numerical simulation method.
计算结果表明所选的湍流模型能够很好的反映离心风机气固两相流的情况。
The computational predictions of the centrifugal fan flow indicated that the turbulence model under-predicted gas-solid two-phase flows.
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.
再采用拉格朗同颗粒轨道模型,利用单相耦合法模拟了风机内部的气固两相流场。
Then the Lagrange particle track model and the uniphase coupling method are used to simulate the gas-solid two phase flow field in the centrifugal fan.
为了探求气固两相圆湍流射流的特性,研究了不同雷诺数对气固两相圆湍射流的影响。
To study the characteristics of the gas-particle turbulent round jet, the effects of Reynolds number on the round jet were investigated.
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.
本文研究了用三维粒子动态分析仪(PDA)测量气固两相湍流流场时固体粒子的选择问题。
How to choose the solid particles during gas-solid two-phase turbulent flow field measured by particle Dynamic Analyzer (PDA) is discussed in this paper.
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.
预热预分解系统的气固两相流中,颗粒、颗粒特征及运动规律是影响预热系统热效率的重要因素。
Particle in the gas and solid two- phase flow of precalcining system, particle characteristic and moving rule are important factors that influence heat system efficiency.
对气固两相流参数的精确测量及实时监控直接关系到产品的质量、工业过程的稳定或能量供给的平衡。
The precise measurement and real-time monitor of gas-solid flow parameters is important for the product's quality control, stability of industrial processes, also the balance of energy supply.
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.
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.
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