Characteristics of rotating stall in an axial-flow fan with different axial gaps

ZHANG Lei; YUAN Wei; WANG Songling

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Characteristics of rotating stall in an axial-flow fan with different axial gaps

Thermal Power Generation Issue 9, (2016)

更新时间：2025-09-28

- Characteristics of rotating stall in an axial-flow fan with different axial gaps
- 作者机构：
  
  华北电力大学能源动力与机械工程学院,河北,保定,071003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH443
- Published Online：25 September 2016，
  
  Published：2016
- 稿件说明：
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ZHANG Lei, YUAN Wei, WANG Songling. Characteristics of rotating stall in an axial-flow fan with different axial gaps[J]. Thermal Power Generation, 2016, (9).
DOI：

ZHANG Lei, YUAN Wei, WANG Songling. Characteristics of rotating stall in an axial-flow fan with different axial gaps[J]. Thermal Power Generation, 2016, (9). DOI：

摘要

轴向间距作为轴流风机重要的结构参数

研究其对旋转失速的影响机制具有重要意义。本文采用Realizable k-ε湍流模型

利用Fluent软件对不同轴向间距下风机旋转失速非定常演化过程进行数值模拟。结果表明:在近失速工况下叶片压力面前缘和后缘静压系数沿气流方向迅速减小；叶顶区域先于其他叶高区域出现失速先兆

失速先兆占据的流道随轴向间距的增大而增多；风机进入旋转失速后

大轴向间距下高湍动能区域的面积增大、数目增多；第二级动叶内相对应位置处

压力随轴向间距的增大而减小。

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Publicity Resources

Reason analysis for fracture occurred in axial induced draft fan blade of a 600 MW unit

Vibration analysis of axial flow fan for large capacity unit

Effect of abnormal deflection of the second stage rotor blade on stall of axial fan

Related Author

GU Weiwei

ZHANG Yonghai

LI Yuan

YU Xiaobing

SHI Zhigang

ZHANG Lei

LI Kang

WANG Songling

Related Institution

Xi’an Thermal Power Research Institute Co., Ltd.

Xi’an TPRI Energy Conservation Technology Co., Ltd.

Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, Ministry of Education, North China Electric Power University

State Power Environmental Protection Research Institute

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