对数螺旋线翼型的静动态气动特性分析

杨建; 付丽华; 刘霄龙; 关士学; 汪洋; 宋华

doi:10.13224/j.cnki.jasp.20240660

对数螺旋线翼型的静动态气动特性分析

doi: 10.13224/j.cnki.jasp.20240660

杨建^1,,
付丽华^1,*, ,,
刘霄龙¹,
关士学²,
汪洋²,
宋华¹

1.
辽宁科技大学机械工程与自动化学院，辽宁鞍山 114051
2.
辽宁科技大学创新创业学院，辽宁鞍山 114051

基金项目: 辽宁省自然科学基金（2024-BS-220）；辽宁省教育厅青年项目（LJKOZ20222341）；辽宁科技大学优秀青年科技人才项目（2023YQ04）

详细信息

作者简介:
杨建（1989-），男，副教授，博士，主要从事流体动力学和机械动力学研究。E-mail：yangjian@ustl.edu.cn

通讯作者:
付丽华（1969-），女，教授，硕士，主要从事流体动力学研究。E-mail：fulihua1@126.com

中图分类号: V211.41
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- 被引次数: 0
出版历程
- 收稿日期: 2024-09-25
- 网络出版日期: 2026-03-27

Analysis of static and dynamic aerodynamic characteristics of the logarithmic spiral airfoil

1.
School of Mechanical Engineering and Automation，University of Science and Technology Liaoning，Anshan Liaoning 114051，China
2.
School of Innovation and Entrepreneurship，University of Science and Technology Liaoning，Anshan Liaoning 114051，China

摘要

摘要:
对数螺旋线翼型具有高流动效率和低流动阻力等特性，探索新的对数螺旋线翼型及其设计方法具有重要实际意义。以NACA0012基准翼型的特征点和最大厚度及其位置作为约束条件，采用非线性最小二乘法对对数螺旋线翼型型线的相关系数进行参数逆辨识，构建对数螺旋线翼型型线理论模型。同时，基于嵌套网格和动网格法建立对数螺旋线翼型的静、动态气动特性有限体积计算模型，并开展了网格无关性验证、数值与试验数据对比分析以及静、动态气动特性分析。结果表明：所建立的翼型静、动态气动特性有限体积模型计算结果与试验数据吻合较好；在不同雷诺数工况下，对数螺旋线翼型可获得相对较好的静、动态气动特性，且动态升力系数峰值和动态失速攻角均较静态提升显著（最高分别可达44.6%和50%），对数螺旋线翼型具备较好的应用潜力，该研究结果可为新型翼型的设计提供一定参考。
- 气动特性 /
- 对数螺旋线 /
- 翼型设计 /
- 参数逆辨识 /
- 静动态性能
Abstract:
The logarithmic spiral airfoil exhibits high flow efficiency and low flow resistance, rendering the exploration of new logarithmic spiral airfoil profile and its design method a highly practical endeavor. The nonlinear least squares method was employed to perform parameter inverse identification on the relevant coefficients of the logarithmic spiral airfoil for constructing a theoretical model of the logarithmic spiral airfoil profile, by using the characteristic points, maximum thickness, and its position as constraints. Meanwhile, a finite volume calculation model for the static and dynamic aerodynamic characteristics of the logarithmic spiral airfoil was constructed based on nested grid and dynamic grid methods. And the mesh-independence validation, experimental validation, and static and dynamic aerodynamic characteristics analysis were carried out. The findings demonstrate that the calculated results exhibit good agreement with the experimental data. When subjected to varying Reynolds number conditions, the logarithmic spiral airfoil demonstrates the capacity to attain commendable static and dynamic aerodynamic characteristics, with a notable enhancement in the peak dynamic lift coefficient and dynamic stall angle compared to the static conditions (up to 44.6% and 50% respectively). The logarithmic spiral airfoil exhibits substantial potential for application, and the research outcomes can serve as a valuable reference for novel airfoil design.
- aerodynamic characteristics /
- logarithmic spiral /
- airfoil design /
- inverse parameter identification /
- static and dynamic performance

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图 1 对数螺旋线型线结构

Figure 1. Profile of logarithmic spiral line

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图 2 对数螺旋线与NACA0012翼型对比

Figure 2. Comparison between the logarithmic spiral and NACA0012 airfoils

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图 3 静态网格模型及其边界条件

Figure 3. Static mesh model and its boundary conditions

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图 4 动态网格模型及其边界条件

Figure 4. Dynamic mesh model and its boundary conditions

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图 5 网格无关性分析

Figure 5. Mesh independence analysis

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图 6 静态模型验证

Figure 6. Validation of static model

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图 7 动态模型验证

Figure 7. Verification of dynamic model

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图 8 不同雷诺数下两翼型升力系数对比

Figure 8. Lift coefficient curves of the two airfoils under different Reynolds numbers

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图 9 不同雷诺数下两翼型升阻比对比

Figure 9. Comparison of lift-to-drag ratios of the two airfoils under different Reynolds numbers

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图 10 Re=1.6×10⁷下两翼型压力系数分布及速度云图

Figure 10. Pressure coefficient distribution velocity contour of the two airfoils under Re=1.6×10⁷

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图 11 不同雷诺数下两翼型动态升力系数对比

Figure 11. Comparison of dynamic lift coefficients of two airfoils at different Reynolds numbers

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图 12 俯仰过程两翼型涡量云图对比

Figure 12. Comparison of vorticity contours of two airfoils at Re=1.6×10⁷ during pitch process

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图 13 对数螺旋线翼型静、动态升力系数对比

Figure 13. Comparison of the static and dynamic lift coefficients of the logarithmic spiral airfoil

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