Multi-factor analysis and simulation of particle erosion characteristics of fan blades

Shi Lei; Lu Zhiqiang; Peng Hongbo; Wang Linkai; Zhang Xueyang

doi:10.7638/kqdlxxb-2024.0166

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Multi-factor analysis and simulation of particle erosion characteristics of fan blades

更新时间：2026-05-28

- Multi-factor analysis and simulation of particle erosion characteristics of fan blades
- Vol. 44, Issue 4, Pages: 134-151(2026)
- 作者机构：
  
  1. 中国民航大学中欧航空工程师学院,天津,300300
  2. 中国民航大学航空工程学院,天津,300300
  3. 中国民航大学工程技术训练中心,天津,300300
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2024.0166
  CLC： V231.3
- Published：2026
- 稿件说明：
移动端阅览
史磊, 卢志强, 彭鸿博, 等. 风扇叶片颗粒侵蚀特性的多因素分析与模拟[J]. 空气动力学学报, 2026, 44(4): 134−151.

Shi Lei, Lu Zhiqiang, Peng Hongbo, et al. Multi-factor analysis and simulation of particle erosion characteristics of fan blades[J]. 2026, 44(4): 134-151.
史磊, 卢志强, 彭鸿博, 等. 风扇叶片颗粒侵蚀特性的多因素分析与模拟[J]. 空气动力学学报, 2026, 44(4): 134−151. DOI： 10.7638/kqdlxxb-2024.0166

Shi Lei, Lu Zhiqiang, Peng Hongbo, et al. Multi-factor analysis and simulation of particle erosion characteristics of fan blades[J]. 2026, 44(4): 134-151. DOI： 10.7638/kqdlxxb-2024.0166.

摘要

为研究风扇叶片在砂尘条件下的颗粒物侵蚀特性，本文以大涵道比涡扇发动机风扇/增压级叶片为研究对象，采用欧拉-拉格朗日法实现颗粒追踪，参考国标规定的标准砂尺寸，分析了不同粒径、浓度、形状因子系数条件下颗粒对风扇叶片的侵蚀特性。结果表明：小粒径侵蚀范围较广，侵蚀程度相对较弱；大粒径侵蚀范围相对较小，但侵蚀程度更为严重；浓度增大时，侵蚀区域虽未有明显变化，但侵蚀速率增加明显，浓度每增加10 mg/m

，叶片磨损速率约增加1.35×10

–8

kg/s；形状因子系数减小时，颗粒物跟随性减弱，其侵蚀规律与粒径增大有相似特征，当形状因子系数为0.4时，撞击风扇叶片壁面颗粒数量相较于球形颗粒增加约0.41%，而磨损速率约为球形颗粒工况的1.13倍。本文系统揭示的颗粒多属性侵蚀规律，可为风扇/增压级叶片的抗侵蚀设计与维护策略制定提供理论参考。

Abstract

The erosion of fan blades by particles such as sand and dust poses a significant threat to flight safety. In the present paper

the particle erosion characteristics of fan/compressor stage blades of a high bypass ratio turbofan engine subjected to sand and dust conditions were investigated in the Eulerian-Lagrangian framework. The effects of particle size

concentration

and shape factor coefficient on the erosion were analyzed. The results indicate that small particles exhibit a relatively wide erosion range but the erosion is comparatively less severe. By comparison

large particles demonstrate a relatively small erosio

n range

but more severe erosion. As the concentration increases

the erosion rate increases significantly while the erosion area remains relatively unchanged. For every increment of 10 mg/m

in the concentration

the blades’ wear rate increases by about 1.35 × 10

–8

kg/s. As the shape factor coefficient decreases

the following performance of particles weakens

yielding a variation trend of the erosion pattern similar to that observed with increasing particle size. In particular

compared to spherical particles

when the shape factor coefficient is 0.4

there is a mild increase of approximately 0.41% in the number of particles impinging on the fan blade surface and a considerable increase of 13% in the wear rate. The systematic revelation of the erosion patterns influenced by multiple particle attributes in this study can provide a theoretical reference for the anti-erosion design and maintenance strategy development of fan/booster stage blades.

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references

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