Numerical investigation on aerodynamic performance of a standard model CHN-T1 using an unstructured flow solver

XU Chenzhou; QIAO Jianling; NIE Han; WANG Yuan; SONG Minhua; ZHANG Yang; HAN Zhonghua; SONG Wenping

doi:10.7638/kqdlxxb-2018.0198

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Numerical investigation on aerodynamic performance of a standard model CHN-T1 using an unstructured flow solver

更新时间：2026-05-28

- Numerical investigation on aerodynamic performance of a standard model CHN-T1 using an unstructured flow solver
- Vol. 37, Issue 2, Pages: 291-300(2019)
- 作者机构：
  
  西北工业大学航空学院气动与多学科优化设计研究所翼型、叶栅空气动力学重点实验室,西安,710072
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2018.0198
  CLC： V211.3
- Published：2019
- 稿件说明：
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许晨舟, 乔建领, 聂晗, 汪远, 宋敏华, 张阳, 韩忠华, 宋文萍. 基于非结构网格求解器的CHN-T1标模气动特性计算研究[J]. 空气动力学学报, 2019, 37(2): 291-300.

XU Chenzhou, QIAO Jianling, NIE Han, et al. Numerical investigation on aerodynamic performance of a standard model CHN-T1 using an unstructured flow solver[J]. 2019, 37(2): 291-300.
许晨舟, 乔建领, 聂晗, 汪远, 宋敏华, 张阳, 韩忠华, 宋文萍. 基于非结构网格求解器的CHN-T1标模气动特性计算研究[J]. 空气动力学学报, 2019, 37(2): 291-300. DOI： 10.7638/kqdlxxb-2018.0198.

XU Chenzhou, QIAO Jianling, NIE Han, et al. Numerical investigation on aerodynamic performance of a standard model CHN-T1 using an unstructured flow solver[J]. 2019, 37(2): 291-300. DOI： 10.7638/kqdlxxb-2018.0198.

摘要

高可信度计算流体力学（CFD）技术在大型运输机精细化气动设计中发挥着越来越重要的作用。虽然目前基于RANS方程的数值模拟技术已经应用于大型运输机复杂外形的气动性能计算与分析中，但其可信度仍需进一步确认。针对AeCW-1组委会发布的CHN-T1运输机标模，采用基于RANS方程的非结构网格求解器TNS进行了气动性能计算，并与组委会提供的风洞试验结果进行了对比。此外，还研究了网格量和湍流模型等因素对巡航气动特性计算结果的影响，以及支撑干扰和静气弹变形对跨声速抖振特性的影响。结果表明，TNS预测的巡航升阻比及跨声速抖振特性等气动性能与试验值吻合良好，计算结果完全位于试验值误差带内，验证了所采用的非结构网格求解器在大型运输机复杂外形气动力预测中的可靠性。

Abstract

Nowadays

high-fidelity computational fluid dynamics (CFD) technology plays an increasingly important role in aerodynamic shape design and large transport aircraft optimization. Despite the wide application of Reynolds-averaged Navier-Stokes (RANS) flow solvers to aerodynamic performance analysis for complex aircraft configurations in transonic flows

there is still a strong need to verify these solvers. An unstructured RANS solver TNS is used to predict both the cruise performance and buffeting-characteristics of a standard transport model CHN-T1

which is released by the 1st aeronautics CFD credibility workshop (AeCW-1) organizing committee. The computed results are compared with the wind-tunnel experimental data. The influence of mesh size and turbulence model on the cruising performance prediction is studied and the effects of support interference

and static aeroelastic deformation on the buffeting characteristics computation are analyzed. The results show that the predicted aerodynamic performance including lift-to-drag ratio at the cruising condition is in very good agreement with experimental data

with all the values located within the error bar of experimental data. This good agreement indicates the reliability and accuracy of the TNS solver for the design and aerodynamic performance analysis of large transport aircrafts.

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Keywords

references

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