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离心式压缩机叶轮
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  centrifugal compressor impeller
     Principle and Application of Energy Saving on Centrifugal Compressor Impeller Burnishing
     离心式压缩机叶轮抛光的节能原理及应用
短句来源
     Principle and application of energy saving on centrifugal compressor impeller burnishing
     离心式压缩机叶轮转子抛光的节能原理及应用
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  “离心式压缩机叶轮”译为未确定词的双语例句
     The Boundary Element Analysis for the Meridional Flow in Centrifugal Compressors Impellers
     离心式压缩机叶轮子午面流场的边界元分析
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     Structure and Stress for Centrifugal Compnessor Impeller
     离心式压缩机叶轮的结构与应力
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     Finite Element Analysis of Stress in Impeller-and-Laminae of Centrifugal Compressor
     离心式压缩机叶轮叶片应力有限元分析
短句来源
     Analysis and Reseach on Main Aerodynamic Design Parameters for Impeller of Centrifugal Compressor
     离心式压缩机叶轮主要气动设计参数的分析研究
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     THE PERIODIC SAMPLING AND ENSEMBLE-AVERAGING TECHNIQUE FOR MEASUREMENT OF MEAN VELOCITIES AND TURBULENCE QUANTITIES BEHIND THE CENTRIFUGAL IMPELLER
     研究离心式压缩机叶轮出口流动的周期性采样—平均技术
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  相似匹配句对
     PERFORMANCE PREDICTIONS FOR CENTRIFUGAL COMPRESSOR IMPELLERS
     离心压缩机叶轮的性能分析
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     THE SELECTION OF IMPELLER PARAMETERS FOR SMALL CENTRIFUGAL REFRIGERATING COMPRESSOR
     小型离心制冷压缩机叶轮参数选择
短句来源
     Structure and Stress for Centrifugal Compnessor Impeller
     离心压缩机叶轮的结构与应力
短句来源
     Principle and Application of Energy Saving on Centrifugal Compressor Impeller Burnishing
     离心压缩机叶轮抛光的节能原理及应用
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     Machining Technology on 3D Impeller of Centrifugal Compressor
     离心压缩机三元叶轮加工工艺
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  centrifugal compressor impeller
The periodic unsteadiness is due to the distortion of the flow in the peripheral direction at the exit of the centrifugal compressor impeller, caused by the jet-wake type of flow discharging from each impeller passage.
      


This paper presents a computational method for blade-to-blade flow in centrifugal compressor's impeller with splitter blades. The method uses unitary control equation to handle the solutions in different ranges. The solutions are transimitted from one subrange to another automatically by program. Referring to existing method, the determination of split flow ratio is made by interpolation of coordinate of the leading adge of the splitter blades with considering the influence of outlet conditions. Upstream boundary...

This paper presents a computational method for blade-to-blade flow in centrifugal compressor's impeller with splitter blades. The method uses unitary control equation to handle the solutions in different ranges. The solutions are transimitted from one subrange to another automatically by program. Referring to existing method, the determination of split flow ratio is made by interpolation of coordinate of the leading adge of the splitter blades with considering the influence of outlet conditions. Upstream boundary conditions are determined by inlet axial velocity and the influence of blades on the upstream and downstream boundary conditions-by equal-circulation change in absolute velocity in outlet range. Numerical examples show that the length and periphery position of splitter blades have large influ-ence on flow field. When the leading adge of die splitter blades is located midway between the two long blades and splitter blades incline to pressure surface of long blades, the flow field is much improved and blade load becomes smaller and the outlet Kutta condition is satisfied.

本文提出了计算具有分流叶片的离心式压缩机叶轮跨叶片方向的计算方法,这一方法运用统一的控制方程处理不同区域的问题,在每一个区域之间的数据结构联结均有程序自动完成。分流比的确定参照现有的方法,以分流叶片前缘点坐标插值获得,并考虑出口条件的影响。根据叶轮进口轴向分速和叶片对上游的影响确定上游过界条件,下游边界条件根据绝对速度等环量变化确定。算例结果表明,分流叶片长度、圆周位置均对流场有很大影响,当分流叶片前缘处于相邻两长叶片中间,而后部偏向长叶片压力面一侧时,流动状况有较大改善,并且叶片载荷减小,出口库塔条件满足。

The viscous-inviscid interaction technique has been used to analyse the flow field of cen-trifugal compressor impeller,The stream curvature throughflow method is applied to solveinviscid flow and the viscous flow solutions are obtained by solving inversely the boundary-layer equations proposed by Cebeci.The flow parameters along the impeller exit width andtotal losses for two impellers are measured and compared with the calculated results.Thecomparison shows that the approach presented in this paper can allow...

The viscous-inviscid interaction technique has been used to analyse the flow field of cen-trifugal compressor impeller,The stream curvature throughflow method is applied to solveinviscid flow and the viscous flow solutions are obtained by solving inversely the boundary-layer equations proposed by Cebeci.The flow parameters along the impeller exit width andtotal losses for two impellers are measured and compared with the calculated results.Thecomparison shows that the approach presented in this paper can allow the desinger to predictthe centrifugal impeller performance and to make appropriate design decisions。

使用粘性-非粘性相互作用技术,对离心式压缩机叶轮进行了流场分析,其中势流分析采用流线曲率通流方法,边界层逆分析采用Cebeci给出的反解法,文中对两个离心式叶轮作了实验研究,测出了叶轮出口处沿宽度方向的气流参数和叶轮总损失,分析结果与实验结果有着较好的吻合,充分表明本文提供的方法能为设计者预测离心式叶轮的性能。

A intelligent constant temperature hot wire anemometer is used to measure the flow field within a vaneless diffuser of centrifugal compressor under both operation conditions of rotating impeller and stationary impeller. Analysis and discussions of the measurement results are made.

使用智能型恒温热线风速仪,在离心式压缩机叶轮以某一转速旋转和叶轮静止不动静吹风的两种情况下,对离心式压缩机的无叶扩压器内流场进行了测量,并对测量结果进行了讨论和分析

 
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