Numerical transonic flow field prediction for samsung splitter impeller

机译：三星分流叶轮的跨音速流场数值预测

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The flow inside a centrifugal impeller has various complex three dimensional phenomena (flow separation, jet-wake structure, shock wave, etc.). In this study, the internal flow field calculation of Samsung, high pressure ratio, high speed, centrifugal impeller with splitter blades is obtained by commercially available CFX-Tascflow code with CFX-Turbogrid for grid generation. The results are compared to that obtained by Lee and Oh (1996) who used Denton and Dawes codes. The impeller is used in the first stage centrifugal compressor of an industrial gas turbine. The purpose of this article is to compare the predictive capabilities of different codes for this compressor. The results showed that the Tascflow is superior for detailed flow field calculations among the other codes.

机译：离心式叶轮内部的流动具有各种复杂的三维现象（流动分离，射流尾流结构，冲击波等）。在这项研究中，通过带有CFX-Turbogrid的商用CFX-Tascflow代码获得了用于网格生成的Samsung，高压比，高速，带分流叶片的内部流场计算。将结果与使用Denton和Dawes代码的Lee和Oh（1996）获得的结果进行比较。叶轮用于工业燃气轮机的第一级离心压缩机。本文的目的是比较此压缩器的不同代码的预测能力。结果表明，在其他代码中，Tascflow优于详细的流场计算。

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《International Conference on Applied Computational Fluid Dynamics October 17-20, 2000 Beijing China》|2000年|p.360-366|共7页
会议地点 Beijing(CN)
作者
Mekhail Tarek; Han Ping-Chen; Zhao Hui-Du;
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正文语种 eng
中图分类力学;
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Numerical transonic flow field prediction for samsung splitter impeller

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