Numerical simulation of the gas phase flow field in inlet annular space of a guide vane cyclone tube 导叶式旋风管入口环形空间内气相流场数值模拟
The sinter size, mass flow of inlet, material height, porosity and inlet temperature are the main parameters in affecting the waste heat recovery efficiency. 烧结矿粒径、进口流量、料层高度、孔隙率和进口风温是影响烧结矿冷却过程中余热利用量的主要参数。
Research on Flow Resistance of Inlet Air and Performance Optimization of Natural Draft Counterflow Wet Cooling Tower with Air Deflectors Optimum Aerodynamic Design for Axial Fan by Excel 具有导风板的自然通风逆流湿式冷却塔进风阻力研究及性能优化应用电子表格进行轴流通风机优化气动设计
The phenomenon of no hysteresis under stable subcritical condition is because of a high total pressure recovery and a flow pattern of inlet similar to external compression inlet. 而在稳定亚临界状态下具有高的总压恢复系数及形成类似于外压式的气动通道是进气道无回路迟滞现象的主要原因。
In this paper, an experimental study of local pressure drop characteristics of gas-water and oil-gas two-phase flow through horizontal inlet, vertical upward outlet 90 ° bend was conducted. 以气水、油气为工质,对水平进口、垂直出口向上的90°弯管内气液两相流局部阻力特性进行了实验研究。
The effects on the average current density, the inlet flow rate and inlet temperature of the fuel and oxidant on the performance of the steady and transient operation are analyzed in detail. 分析了平均电流密度、燃料和氧化剂进口温度和流量对电池稳态和非稳态性能的影响;
Spiral Flow at inlet of Centrifugal Pump Installed Inflow Chamber 锥形吸入室离心泵的入口旋流
The ellipse arc may depress the acceleration of supersonic flow in inlet area, decrease the strength of inlet shock wave. 椭圆形的前缘可减弱超音气流在前缘进口区的加速程度,降低进口弓形波的强度;
Effects of inlet air flow and inlet feed concentration on enrichment rate were predicted by the model. The results had good agreement with the experiment observations. 模型预测了进料浓度和进气速度对富集比的影响,结果表明,模型预测结果和实验结果基本一致。
Numerical results under mass flow inlet boundary conditions are close to experimental ones. Numerical model developed in this paper will benefit the farther aerodynamic acoustic analysis. 比较结果表明,在流量入口边界条件下数值模拟计算的结果接近实验结果,流场计算可以为气动声学分析奠定基础。
This paper presents the treatment about failure and analyzes the flow feature in inlet valve. 上述情形可以归结为阀门不稳定工作。本文就处理进汽阀缺陷的实践并结合有关文献分析阀的气体流动特性。
Charactristics, Productive conditions and reasons of the spiral flow at inlet of the centrifugal pump is presented here, based on the theory of three-dimen-sional flow and experimental studies. 本文在试验研究基础上,用三维流动理论,论述了离心泵入口旋流的特性、产生条件和原因,给出了旋流存在区域。
The design tool includes three levels, i.e. system, device and process level, which took the netlist, solid model and layout as the design data flow inlet and outlet for each level separately. 该方法采用通用的系统级、器件级和工艺级的三级架构,但以网表、标准格式的实体模型和版图文件分别作为这三个级别设计数据的出入口。
It consists of the following main parts: a constant pressure flowmeter, a calibration system, a flow inlet system, a measurement and control system. 它由恒压式微流量计、流量校准系统、待校流量引入系统和测量与控制系统四部分组成。
Two kinds of boundary condition, i.e. mass flow inlet and pressure inlet boundary conditions, were adopted in calculation. And the accuracy of numerical results was checked with Laser Particle Image Velocimetry ( PIV). 计算中采用两类入口边界条件,即流量入口和压力入口,并将流场数值结果与微粒图像测速实验数据进行比较。
In this paper, a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed. 介绍了进排气系统一维非定常流动的FVM-TVD法(总残差减少的有限体积法)。
Some shortcut flow near the inlet of vent-pipe still occurs. 在排气管入口附近仍存在一定程度的短路流动。
The flow passing the inlet guide vanes of centrifugal compressors are calculated numerically under different incidence angles and different Re Numbers, the unsteady development of the trail vortices are discussed. 本文在不同攻角和不同雷诺数Re下,对离心压气机进口导叶的内部流动进行了数值分析,探讨了导叶翼型绕流尾涡的非定常发展过程。
Heat transfer enhancement with turbulent free swirl flow in inlet region of smooth pipe 湍流自由旋流在光滑管入口段的强化传热
Based upon basic aerothermodynamics equations for flow in turbomachinery setted up by Prof. Wu, computing supersonic flow past inlet of cascade section on an arbitrary stream filament of revolution was programmed with method of characteristics. 根据吴仲华提出的基本方程,采用特征线法,对任意回转面叶栅超声速进口流场的计算编制了计算机程序。
There exists a short-circuit flow at the inlet of exhaust pipes. 排气管入口存在短路流动;
Computer program of supersonic flow past inlet of cascade section on an arbitrary stream filament of revolution and determing unique inlet flow angle 任意回转面叶栅超声速进口流场特征线法计算机程序和唯一进气角的确定
Numerical Simulation of Fluid Flow in Inlet Headers of Heat Exchangers 换热器入口集流室中流体流动状况的数值模拟
Experimental study on spiral flow at inlet of centrifugal pump 离心泵入口旋流的试验研究
Experiment of Flow Resistance of Laminar and Turbulent Flow of the Inlet Section of Round Pipe 圆管层流和湍流进口段流动阻力的研究
The result shows that mass flow and flow velocity of inlet pipe were improved and energy loss was reduced. Engine torque and power at middle and high engine speed were improved. 结果提高了质量流量和进气门出口速度,减少了流动损失,提高了发动机在中高速转速时的转矩和功率。
From the basic characteristics equation of jet pump and geometry analysis can be seen, flow ratio, area ratio, distance between power flow inlet and entrance to mixing throat and length of mixing throat are the main factors of jet pump efficiency. 从射流泵的基本特性方程以及几何尺寸分析可以看出,流量比、面积比、喉嘴距和喉管长度等是影响射流泵效率的主要因素。
The effect of primary flow total pressure and total temperature on the eject performance, the influences of secondary flow inlet condition on the requirement of eject performance, and the influences of geometric parameters on the capability of entrainment and pressure matching were investigated. 系统地研究了一次流总压和总温对引射性能的影响、二次流入口参数对引射性能需求的影响以及引射器几何结构参数对引射增压能力和压力匹配能力的影响。
The effects of Ca/ S ratio, temperature, revolving flow, inlet SO2 consistence to efficiency are test and discussed. 对Ca/S比、温度、旋流进气、SO2浓度等对脱硫效率的影响进行了试验。
The results of the analysis and processing were obtained under different valve lift airway flow coefficient, inlet, the cylinder flow velocity and pressure distribution and other information. 对计算结果进行了分析与处理,得出了不同气门升程下的气道流量系数,进气道、气缸内流动速度和压力分布等信息。