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.
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。
In this paper, a dynamic model of the gas-solid two phase flow in magnetically fluidized bed is established first.
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。
Based upon above research, effects on the mass flow rate of powders of inventory of powders, fluidization gas velocity, reaction gas velocity and void of packed bed are discussed e.
讨论测量细颗粒质量流率的方法，以此为基础研究了细颗粒藏量、流化气速、反应气速及固定床的空隙率对细颗粒质量流率的影响。
The experimental data of gas flow rate in the bed with four slant angles and three kinds of particle materials are obtained.
选用三种颗料状物料，在四种不同倾斜度的斜管中测定了不同负压差和固体流率条件下的气体流率。
When the second derivative of the bubble number in unit bed volume with respect to gas velocity equals zero, the flow regime transition occurs. The model fits fairly well with the experimental data.
导出了当单位床层体积中气泡数目对气速的二阶导数为零时发生流型转变，该模型的计算机结果与实验数据吻合良好。
Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.
采用切断流化床气源，并跟踪测量床面塌落速度的方法，可以测得浓相空隙率。
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.
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。
Gas-solid two-phase flow is a flow system forms by the gas phase and solid phase, such as Gas-solid Fluidized Bed, Gas-solid Circulating Fluidized Bed and Pneumatic transmission system etc.
气-固两相流是由气体相和固体相所组成的流动系统，如气-固流化床、气-固循环流化床、气力输送等。
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.
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。
On the basis of finding out the reasons for colloidal silica fracture, the bed layer flow speed was decreased through increasing 18.3% of the adsorption column diameter to lead-out a part of tail gas.
在找出硅胶破碎原因的基础上，通过吸附塔直径放大18.3%，引出部分尾气，使床层流速降低。
Heat transfer and gas flow in rock bed worked as solar absorber and storage layer have also been studied.
研究了温室蓄热层传热与流动。温室中土壤或岩床具有吸收并贮存太阳能的作用。
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.
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。
In this paper, the gas pressure drop of a cross-flow rotating packed bed is studied based on air-water system.
笔者利用空气水系统对错流旋转填料床的气相压降进行实验研究。
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。
We construct the discrete nonlinear equations for the pressure of gas flow through packed bed of the industrial furnaces. The existence and uniqueness of the solution of these equations is proved.
本文构造了工业反应炉中气体流动压力的离散化方程，同时证明了方程解的存在性和唯一性。
In this paper, the two -phase flow behaviors of gas-solid circulating fluidized bed have been first studied by analysing experimental data.
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。
Combined with process characteristics of flow bed flashing calciner, an analysis is carried out at flashing flow bed calciner on the application of coke oven gas as fuel replacing heavy oil.
结合流态化闪速焙烧炉的工艺特点，对替代燃料——焦炉煤气在流态化闪速焙烧炉上的使用进行了分析研究。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
A type of fluidized bed in which catalyst particles are held in suspension by the upward movement of the liquid reactant and gas flow.
借助上升的液体反应物和气流使催化剂颗粒维持在悬浮状态的一种流化床。
The relationship between pressure fluctuation and flow pattern of fluidized bed is investigated experimentally. The pressure fluctuation characteristics of gas slug and particle slug are measured.
实验研究了流化床流型结构与压力波动的关系，测定了节涌流化床气栓和料栓内的压力波动特性。
We construct the discrete nonlinear equations for the pressure of gas flow through packed bed of the industrial furnaces.
本文构造了工业反应炉中气体流动压力的离散化方程，同时证明了方程解的存在性和唯一性。
The results show that the main effect on the oil production rate is the pyrolytic temperature. But gas flow rate and bed depth can also affect the rate of bio-oil.
结果表明热解温度是生物质产油率的主要影响因素，流化气流速和床层高度对产油率也有一定的影响。
Firstly, on the gas-solid fluidized bed experimental system platform, we get all the flow pattern of the pressure fluctuation signals.
首先，在气固流化床实验系统台上，获取各流型的压力波动信号。
The high temperature gas generated by the air flow bed rises into the circulating fluidized bed to provide heat for the fluidized bed;
气流床生成的高温气上升进入循环流化床，为流化床气化提供热量；
An artificial neural network model was set up to simulate the hydrodynamics of the gas-solid flow in the gas-solid circulating fluidized bed.
提出了气固循环流化床中气固流动的人工神经网络模型。
Gas flow from borehole directly relates to the gas emission from drill drainage coal bed and judging the initial velocity of gas emission from the borehole.
钻孔瓦斯流量直接关系着钻孔抽放煤层瓦斯涌出量及钻孔瓦斯涌出初速度的判定，因此研究钻孔瓦斯流量的变化及发展趋势具有较大实用价值。
The results show that the effects of the Froude number, the dimensionless height of the particle bed and the inlet gas flow rate on mixing characteristics of the stirred bed reactor are significant.
结果表明，弗鲁德数、无因次装料高度及通气速率对混合特性有明显的影响。
The results show that the effects of the Froude number, the dimensionless height of the particle bed and the inlet gas flow rate on mixing characteristics of the stirred bed reactor are significant.
结果表明，弗鲁德数、无因次装料高度及通气速率对混合特性有明显的影响。
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