The unsteady IGV-impeller-diffuser interaction in a centrifugal compressor is investigated numerically and experimentally under at different IGV prewhirl angle; and the mechanism of unsteady IGV-impeller-diffuser interaction is explored.
在不同进口导叶预旋角度下,采用非定常的方法对进口导叶/叶轮/扩压器三部件之间非定常相干进行了数值与实验研究,探讨了三部件之间动静相干的机理。
The flow field behind the inlet guide vane(IGV) of the centrifugal compressor was measured under different IGV prewhirl angle,and the influence of IGV prewhirl angle on the flow field and performance was investigated.
在不同的进口导叶预旋角度下对一单级离心压缩机级进口导叶后面的流场进行了测量,分析了进口导叶预旋角度对流动及性能的影响。
Numerical simulations on the unsteady inlet guide vane(IGV)-impeller interaction were performed under different prewhirl angles.
对不同预旋角度下进口导叶/叶轮的相干进行了非定常的数值模拟,讨论了动静相干效应的主要因素,分析了非定常效应对叶轮内流场结构的影响。
Numerical studies of heat transfer in a rotor-stator cavity with different radial positions of pre-swirl inlet;
预旋进气位置对转静盘腔换热影响的数值研究
Experimental study on heat transfer in rotor-stator cavity with high-positioned pre-swirl inflow;
高位预旋进气转静盘腔换热实验
Flow and heat transfer investigation in pre-swirl inflow rotor-stator cavity;
预旋进气转-静盘腔中的流动和传热数值研究
The impeller inlet prewhirl flow in a HW-G1 centrifugal fan has been measured by means of the three-hole probe and micropressure gauge.
结果表明该离心风机叶轮进口存在预旋 ,且预旋沿周向和轴向分布都不均匀。
At the same time,comparison of the fans electric current when the inlet air flow to be backward prerotation and forward prerotation has been carried out under same open degree,and causes resulting in said phenomenon have be.
同时,对相同导叶开度下,入口气流反预旋及正预旋时的风机电流进行了比较,并利用速度三角形及欧拉方程式,对造成此现象的原因进行了简要分析。
Experimental and Numerical Investigation on De-swirl Inflow in Rotating Disc System;
反预旋进气旋转盘腔系统的流场实验与计算研究
Numerical prediction for the acoustic noise of helicopter rotor in forward flight
前飞状态下直升机旋翼旋转噪声预测
The prophet appropriately appropriated the fund for repairing propeller.
预言者恰当为修理螺旋桨拨专款。
Regional Workshop on Tropical Cyclone Warnings
关于热带气旋预报的区域讲习班
Investigation of a Potential Based Surface Panel Method for Prediction of Propeller Performances;
螺旋桨性能预报的速度势面元法研究
Three-dimensional Numerical Simulation of Vortex-pump;
旋流泵三维流场数值模拟及性能预测
Web-based Fault Diagnosis and Condition Monitoring of Rolling Machine;
基于Web旋转机械的故障诊断与预测
The Approach to Recognizing Map Symbol Based on Rotation-Processing;
基于旋转预处理的地图符号识别方法
Predictability of spatial ability using image mental rotation test;
表象旋转测验预测空间能力的有效性
The Appliance of the Rotating and Regressive Amalysis in the Prevention of the Plant Diseases & Insect Pests;
旋转回归分析在预防病虫害中的应用
Numerical study of low emissions for twin annular premixing swirler combustor
双环预混旋流低污染燃烧室数值研究
TC-IDV:A New Tool for Tropical Cyclone Forecasting and Research
TC—IDV——热带气旋预报和研究的新工具
Diagnostic and prognosis judging value of SCT in diagnosis of HIE
螺旋CT诊断HIE及预后判断的价值分析
Application of DFAR Model to the Trend Prediction of Fault in Rotary Machines
DFAR模型在旋转机械故障预测中的应用
Prediction of Propeller Cavitation Using RANS Method
用RANS方法预报螺旋桨非定常空泡
Applied Research on Preseparation of Short Cone Cyclone before Separation of Bismuth
短锥旋流器在选铋前的预选应用研究
Preprocess method for speckle interference image based on spin filtering
基于旋滤波的散斑干涉图预处理方法
Temperature forecast for aluminium electrolysis process based on rotations of principal axes of orthogonal matrice
铝电解过程温度的矩阵主轴旋转预测