Computational investigation on Flow Field and performance of Centrifugal Airfoil Fan with radial Clearance at Impeller inlet

Renjing Cao; Shin-Hyoung Kang

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Computational investigation on Flow Field and performance of Centrifugal Airfoil Fan with radial Clearance at Impeller inlet

机译：叶轮入口径向间隙离心翼型风扇流场和性能的计算研究。

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摘要

There always exists a small size gap between the rotating component of the impeller and the fixed inlet casing of an airfoil fan. The static pressure is higher at the discharge side than in the suction duct and there is leakage flow through the gap. The objective of this paper is, using the commercial code STAR/CD, to numerically investigate the flow field and the Mechanism of performance variation due to the leakage flow through the radial clearance at the impeller inlet. The three Dimensional flow and the total performance of an airfoil fan impeller with an without radial clearance are presented and the Flow structure through the impeller is discussed.

机译：叶轮的旋转部件和翼型风扇的固定进风口之间始终存在很小的间隙。排气侧的静压高于吸气管中的静压，并且有泄漏流经间隙。本文的目的是使用商业代码STAR / CD，对由于流经叶轮入口径向间隙的泄漏流引起的流场和性能变化机理进行数值研究。介绍了无径向间隙的翼型风扇叶轮的三维流动和整体性能，并讨论了通过叶轮的流动结构。

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《European journal of mechanical engineering》 |2000年第2期|p.73-78|共6页
作者
Renjing Cao; Shin-Hyoung Kang;
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正文语种 eng
中图分类机械、仪表工业;
关键词
Centrifugal airfoil fan; radial clearance; CFD;

机译：离心翼型风扇;径向间隙差价合约;

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专利

1. Numerical Simulation of Flow Field for a Whole Centrifugal Fan and Analysis of the Effects of Blade Inlet Angle and Impeller Gap [J] . Zhao Yu, Song Li, Wenqi He, HVAC&R research . 2005,第2期

机译：整个离心风机流场的数值模拟及叶片入口角和叶轮间隙影响的分析
2. The investigation of absolute flow non-uniform velocity distributions influence at the centrifugal compressor axial radial impeller inlet using numerical calculation methods in ANSYS CFX [J] . L.A. Rakhmanina, A.V. Zuev, A. Yu. Petrov, E3S Web of Conferences . 2019,第4期

机译：利用ANSYS CFX中的数值计算方法研究离心压缩机轴向径向叶轮进口处的绝对流量非均匀速度分布影响。
3. The investigation of absolute flow non-uniform velocity distributions influence at the centrifugal compressor axial radial impeller inlet using numerical calculation methods in ANSYS CFX [J] . L.A. Rakhmanina, A.V. Zuev, A. Yu. Petrov, E3S Web of Conferences . 2019,第1期

机译：利用ANSYS CFX中的数值计算方法研究离心压缩机轴向径向叶轮进口处的绝对流量非均匀速度分布影响。
4. EFFECT OF TIP CLEARANCE AT IMPELLER INLET ON THE FLOW FIELD AND PERFORMANCE OF AIRFOIL FAN [C] . Renjing Cao, Shin-Hyoung Kang ASME/JSME Joint Fluids Engineering Conference . 2000

机译：尖端间隙在叶轮入口对翼型风扇流场和性能的影响
5. The effects of the back clearance size and the balance holes on the back clearance flow of the centrifugal pump with semi-open impeller . [D] . Park, Sang Hyun. 2008

机译：后间隙尺寸和平衡孔对半开式叶轮离心泵后间隙流量的影响。
6. Computational Parametric Study of the Axial and Radial Clearances in a Centrifugal Rotary Blood Pump [O] . M. A. Rezaienia, G. Paul, E. J. Avital, -1

机译：离心式旋转血泵轴向和径向间隙的计算参数研究
7. The Internal Flow Field and Overall Performance of a Centrifugal Fan Impeller: Experiment and Prediction [O] . T. Wright, K. T. S. Tzou, K. W. Greaves, 1982

机译：离心风扇叶轮的内部流场和整体性能：实验和预测
8. Theoretical analysis of incompressible flow through a radial-inlet centrifugal impeller at various weight flows [R] . Kramer, James J, Prian, Vasily D, Wu, Chung-Hua 1956

机译：不同重量流量下径向入口离心叶轮不可压缩流动的理论分析

Computational investigation on Flow Field and performance of Centrifugal Airfoil Fan with radial Clearance at Impeller inlet

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