本文分析了上吸式气化炉的气固流动特性及气化过程。
In this paper, the gas fuel contact characteristics and process of gasification of a up-draft gasifier is described.
提出了气固循环流化床中气固流动的人工神经网络模型。
An artificial neural network model was set up to simulate the hydrodynamics of the gas-solid flow in the gas-solid circulating fluidized bed.
介绍了电容探针的测量原理和在稠相气固流动系统中的标定方法；
The principle and calibration of the capacitance probe measurement system were investigated.
用侧面切圆射流和旋流布风板造成了鼓泡流化床内气固流动的新流型。
A new flow pattern in gas-solid fluidized beds is developed by using lateral tangent gas jets and a Spiral distributor.
在冷态试验台上研究了循环流化床料腿密相段中不同管束布置方式对气固流动特性的影响。
The influence of the arrangements of pipes on gas solid flow characteristics in the dense section of standpipe in the circulating fluidized bed is studied on a cold state experiment platform.
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.
由于下行床具有短停留时间、气固流动更均匀和返混小的优点，能获得更高的产品收率，使干气收率受到抑制。
Owing to the short residence time, more uniform gas-solid flow and reduced backmixing of downer reactor, it can obtain more object products and the dry gas yield can be inhibited.
在一个加压喷动流化床装置上进行了冷态实验，研究加压条件下床中的气固流动状态和气体在各部分的扩散特性。
The experimental study of a gas solid flow pattern and gas diffusion characteristics using polystyol particles and glass bead has been carried out in a pressurized spouted fluidized bed.
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.
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.
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.
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.
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.
通过改变催化剂的流动轨迹达到改善气固接触效率的目的。
The gas solid contact efficiency was improved by adjusting the flow tracks of catalyst.
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.
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.
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.
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.
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.
该文采用离散元素法DEM模型对二维L型定向风帽流化床中的气-固流动特性进行模拟。
DEM (Discrete Element Method) is used to simulate the gas-solid flow of a two-dimension fluidized bed with L-type wind caps in this paper.
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.
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.
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.
在空气雾化钻井中，井眼环空携岩流动是一种典型的气、液、固多相流动，其机理和规律十分复杂。
In air and mist drilling, annular carries are the typical of gas, liquid and solid multiphase flow, and its mechanism and principles are very complicated.
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.
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.
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.
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