颗粒运动状态对阻力的变化率有一定的影响。
Particle's movement has a certain effect on the rate of resistance changing.
四角切圆燃煤锅炉的煤粉颗粒运动对炉膛结渣有重要影响。
The motion of pulverized coal has great influence on the slagging in furnace.
为此,开展农业物料颗粒运动规律的系统理论的研究尤为重要。
The study of dynamic model of dust particle movement in coal face;
借鉴工业生产中的两相流动方法研究掏槽爆破中的颗粒运动规律。
The movement law of the smashed rock mass in the cut blasting was studied using two phase flow method drawn on the experience of industry.
对稀相区在较高固粒流率下对颗粒运动速度进行了变工况分析和讨论。
Under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition.
各观测点的计算孔隙比表明,观测点位置影响了颗粒运动及孔隙比变化。
The calculated porosity of all observation points demonstrates that the location of observation point has effects on grain movement and porosity ratio variation.
采用颗粒运动和动力学方法分析了在外力作用下混合料离析的根本原因。
Meanwhile, analyses the basic segregation reason under external force with motion and kinematical analysis methods.
分析了水平式双锥盘冲击粉碎机理,对锥盘内单个颗粒运动轨迹进行了分析。
The movement track of particle inside the dual-cone disk impact mill is analyzed both in theory and experiment.
利用高速摄影技术对离心泵叶轮中固体颗粒运动轨迹及其规律进行了试验研究。
Experimental study on moving trajectories of solid particles and their motion pattern in centrifugal pump impellers has been carried out by using high speed photograph technique.
本文根据牛顿第二定律,建立了惯性分离室内包含多因素的颗粒运动微分方程序。
In this paper differential equations of grain moving in the deposition chamber were developed based on Newton's Second Law.
多重分形谱图分析有望为大颗粒流化床中颗粒运动规律的探测提供一种新的手段。
The MSS analysis is expected to offer an effective tool for exploring the particle motion in fluidized bed with coarse granules.
采用单颗粒动力学模型计算旋风分离器内颗粒运动轨迹,并由此可算出粒级效率。
Trajectories of motion of particles in cyclone separator are calculated with particle kinetic model, which is followed by the calculation of separation efficiency.
循环流化床内固相颗粒运动特性的研究对于揭示床内气固两相流机理具有重要意义。
Research about solid particle characters in circulating fluidized bed is very important to study the principle of gas-solid two phase flow.
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 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.
在处理颗粒场时考虑到颗粒直径、比重、材料的刚度、摩擦系数等对颗粒运动的影响。
During the treatment of a particle field the effect of particle diameter, specific weight, rigidity of material and friction factor, etc on particle movement has been taken into account.
研究了颗粒浓度及粒径对空泡溃灭的影响,以及观察和分析了空泡溃灭过程中的颗粒运动。
The effects of solid concentration and particle diameter on bubble collapse have been studied, and the particle motion during the bubble collapse has been observed and analyzed.
采用离散相模型(DPM),模拟固体颗粒运动轨迹,并对固体颗粒的除尘效率进行分析。
Discrete phase model (DPM) was applied to simulate the trajectory of solid particles, and the collection efficiency of solid particles was analyzed.
从简化的颗粒运动方程出发,分析了在剪切流场中颗粒脉动强度和流体脉动强度之间的关系。
The relationship between turbulent intensity of particles and those of the carrier fluid was studied theoretically based on simplified particle motion equation.
壁面粗糙度对流场中不同位置处颗粒运动影响的强弱不同,其中逆流区处较弱,下游处较强。
The effect of roughness on particle motion in the recirculation zone is weaker than that in the fully developed flow region.
介绍了离散元(DEM)方法的基本原理、颗粒运动控制方程和颗粒相互作用力的数学模型。
The basic principles of DEM(discrete element model), and the equations of particle motion and models of particle particle interaction are introduced.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
提出了两种提高冲击速度的方法,建立了颗粒运动的力学方程,计算和分析了影响冲击速度的参数。
Two methods to improve the impact velocity are proposed. The dynamic equation of particle motion is established. The influence parameters to the impact velocity are calculated and analyzed.
对实验室原有的DPIV系统进行了改进,并用该系统初步研究了内旋流流化床颗粒运动的速度场。
An improved version of the existing DPIV (digital particle image velocimetry) in the lab has been employed to conduct a preliminary research of the velocity field of the ICFB particle movement.
根据最终状态概率代表颗粒运动趋势的原理,砂床高度的变化应是床层表面颗粒运动状态转换的结果。
The probability of the final movement of grain can indicate its movement tendency, and the change of the sand-bed height can reflect the transformation status of grain movement.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
在深入了解水力旋流器的基础之上,模拟研究了多种情况下的清水流场、颗粒运动轨迹、分离效率、压降等。
On the base of deeply understanding of hydrocyclone, the author studied the water flow field, tracks of particles, separated efficiency, pressure drop and so on in many different conditions.
试验表明脉冲激光全息系统具有很好的诊断动态颗粒场的能力,是一种适合于深入研究颗粒运动细节的有效手段。
Meanwhile, the experiment result shows that the laser holography system is a powerful tool for diagnosing dynamic particle field, with high resolution and large depth of field.
另外,本文用颗粒轨道模型计算了进入水力旋流器的油滴颗粒运动轨迹,在此基础上,得出了水力旋流器的分离效率曲线。
In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the particle obit model. Thereby the separation efficiency of the hydrocyclone can be obtained.
通过频谱分析,考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响,并与壁面对固体颗粒运动的影响进行了比较。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
通过频谱分析,考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响,并与壁面对固体颗粒运动的影响进行了比较。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
应用推荐