运输机标模CHN-T1的验证确认计算研究

章锦威; 张小亮; 孙晓玲; 戚淑妮

doi:10.7638/kqdlxxb-2018.0216

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运输机标模CHN-T1的验证确认计算研究

专栏——CFD验证与确认 | 更新时间：2026-05-28

- 运输机标模CHN-T1的验证确认计算研究
- Research on validation and verification of Chinese transport model CHN-T1
- 空气动力学学报 2019年37卷第2期页码：320-328
- 作者机构：
  
  中国航空工业空气动力研究院,沈阳,110034
- 作者简介：
  
  章锦威(1986-), 男, 工程师, 研究方向:CFD软件开发、工程应用.E-mail:zhangjinw120@sina.com
- 基金信息：
  
  国家重点研发计划（2016YFB0200700）
- DOI：10.7638/kqdlxxb-2018.0216
  中图分类号： V211.3
- 纸质出版：2019
- 稿件说明：
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章锦威, 张小亮, 孙晓玲, 戚淑妮. 运输机标模CHN-T1的验证确认计算研究[J]. 空气动力学学报, 2019, 37(2): 320-328.

ZHANG Jinwei, ZHANG Xiaoliang, SUN Xiaoling, et al. Research on validation and verification of Chinese transport model CHN-T1[J]. 2019, 37(2): 320-328.
章锦威, 张小亮, 孙晓玲, 戚淑妮. 运输机标模CHN-T1的验证确认计算研究[J]. 空气动力学学报, 2019, 37(2): 320-328. DOI： 10.7638/kqdlxxb-2018.0216.

ZHANG Jinwei, ZHANG Xiaoliang, SUN Xiaoling, et al. Research on validation and verification of Chinese transport model CHN-T1[J]. 2019, 37(2): 320-328. DOI： 10.7638/kqdlxxb-2018.0216.

摘要

采用自研的非结构混合网格解算器CARIA-OVERSET对我国第一届航空CFD可信度研讨会提供的运输机标模CHN-T1进行了验证确认计算。重点研究了网格形式、网格尺度、湍流模型等对运输机标模CHN-T1的总体气动特性、局部流场特征、压力分布以及计算收敛性等的影响，并把计算结果与风洞试验数据进行比较分析。分析结果表明，非结构混合网格解算器的计算结果与风洞试验数据吻合度较好。在固定升力条件下，非结构网格的网格尺度误差大于结构网格，湍流模型对迎角和俯仰力矩的影响较大，翼身结合处的分离特性模拟差异较小。带支撑构型的全机升力和低头力矩增加、阻力减小，机翼静气弹变形后升力、阻力和低头力矩均减小。全湍和自由转捩模型的计算结果存在一定差异，差异随着雷诺数的增大而变小。

Abstract

Chinese transport model CHN-T1 is provided by the first aviation CFD credibility seminar in China. 3D flow simulations were accomplished with the unstructured hybrid grids and the flow solver CARIA-OVERSET for the validation and verification study of the CHN-T1. The effects of mesh type

mesh size

and turbulence model were studied on the overall aerodynamic characteristics

flow field characteristics

pressure distribution. It is shown that the numerical results are in good agreement with the wind tunnel test data. Under the condition of fixed lift

the grid scale error of unstructured grids is larger than that of structured grids. Turbulence model has great impact on pitch moment

while weak influence on the separation characteristics at wing-body junction with support configuration

the lift and the pitch down moment of the CHN-T1 model increase

while drag decreases. In consideration of the aeroelastic deformation

the lift

the drag and pitch down moment decrease. The results with full turbulence model and free transition model are different

but the difference decreases with increasing Reynolds number.

关键词

Keywords

references

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