面向风力机翼型的西北工业大学NF-3数字风洞设计与应用

赵钟; 惠增宏; 张勇; 孙中国; 罗玉明

doi:doi:10.19912/j.0254-0096.tynxb.2025-0054

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面向风力机翼型的西北工业大学NF-3数字风洞设计与应用

更新时间：2026-03-06

- 面向风力机翼型的西北工业大学NF-3数字风洞设计与应用
- Vol. 47, Issue 2, Pages: 616-625(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2025-0054
  CLC： TP391
- Online First：05 March 2026，
  
  Published：05 March 2026
- 稿件说明：
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赵钟, 惠增宏, 张勇, et al. 面向风力机翼型的西北工业大学NF-3数字风洞设计与应用[J]. 2026, 47(2): 616-625.
DOI：

赵钟, 惠增宏, 张勇, et al. 面向风力机翼型的西北工业大学NF-3数字风洞设计与应用[J]. 2026, 47(2): 616-625. DOI： doi:10.19912/j.0254-0096.tynxb.2025-0054.

摘要

聚焦风洞试验数字化转型

针对物理风洞试验和计算流体力学（CFD）数值试验两种手段融合需求

根据西北工业大学NF-3翼型风洞

设计可业务化运行的数字风洞软件系统。基于风雷软件（PHengLEI）

通过重建风洞各部段和翼型数字模型

仿真试验风速控制过程

构建NF-3数字风洞

只需输入二维翼型的坐标

即可自动化开展虚拟试验。为实现自动化、业务化运行

基于预制模板自动生成风洞背景网格和试验模型网格

二者采用拼接技术自动装配为全流场计算网格

通过预处理技术加速可压缩流动求解器收敛。首先介绍物理风洞各部段的数字化模型、试验风速控制策略

再给出数字风洞系统设计方案

包括翼型网格自动生成、风洞/翼型网格拼接装配、流场求解和虚拟试验风速控制方法。最后

采用风力机翼型在数字风洞中开展虚拟试验

对比分析虚拟试验与传统CFD计算结果的差异。结果表明

该数字风洞具备自动化开展翼型虚拟试验能力

能捕捉到传统CFD模拟所无法体现的展向分离流动变化

与传统CFD计算结果相比

数字风洞虚拟试验的气动系数与物理试验吻合更好。

Abstract

Focusing on the digital trarsformation of wind tunnel tests

in response to the demand for the integration of physical wind tunnel tests and computational fluid dynamics（CFD） numerical tests

this study designed and developed a digital wind tunnel system based on the NF-3 airfoil wind tunnel at Northwestern Polytechnical University（NWPU）. The system replicates the experimental NF-3 wind tunnel model

simulates the control process of experimental wind speed

and enables automated execution of experiments in a virtual wind tunnel. To achieve automation and operational deployment

the digital wind tunnel system uses customized grid templates for the automatic generation of both background and model grids. These grids are assembled using overset grid technology

and low-speed precondition techniques are employed to accelerate the convergence of the compressible flow solver. This paper firstly introduces the basic component sections and the control strategy of the physical wind tunnel. Subsequently

it elaborates on the design of the digital wind tunnel system

including the automatic generation of airfoil grid

automated assembly of wind tunnel and airfoil grids

flow solver methodologies

and virtual control strategies for digital wind tunnel. Finally

this research conducts a virtual experiment in the digital wind tunnel utilizing the standard wind turbine air-foil DU91-W2-250

and compared with traditional CFD simulated results. The results demonstrate that the system can effectively support digital wind tunnel experiments

capturing spanwise separated flow region variations that are absent in conventional quasi-2D simulations and the results align better with physical experiments.

关键词

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