Research on aerodynamic layout of lift wings on a high-speed train under boundary constraint

YAN Rihua; GAO Chao; WU Bin; LIU Ya; DING Shaocheng; NI Zhangsong; XUE Ming

doi:10.7638/kqdlxxb-2021.0236

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Research on aerodynamic layout of lift wings on a high-speed train under boundary constraint

更新时间：2026-05-28

- Research on aerodynamic layout of lift wings on a high-speed train under boundary constraint
- Vol. 40, Issue 6, Pages: 138-145(2022)
- 作者机构：
  
  1. 西北工业大学翼型叶栅空气动力学重点实验室,西安,710072
  2. 中国空气动力研究与发展中心,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2021.0236
  CLC： V217.2;U292.91+4
- Published：2022
- 稿件说明：
移动端阅览
严日华, 高超, 武斌, 等. 限界约束下高铁升力翼气动布局研究[J]. 空气动力学学报, 2022, 40(6): 138−145.

YAN Rihua, GAO Chao, WU Bin, et al. Research on aerodynamic layout of lift wings on a high-speed train under boundary constraint[J]. 2022, 40(6): 138-145.
严日华, 高超, 武斌, 等. 限界约束下高铁升力翼气动布局研究[J]. 空气动力学学报, 2022, 40(6): 138−145. DOI： 10.7638/kqdlxxb-2021.0236

YAN Rihua, GAO Chao, WU Bin, et al. Research on aerodynamic layout of lift wings on a high-speed train under boundary constraint[J]. 2022, 40(6): 138-145. DOI： 10.7638/kqdlxxb-2021.0236.

摘要

气动升力协同高速列车是一种通过布置串列升力翼提高列车气动升力、实现高速列车整体节能和降低列车全寿命周期成本的创新型高速列车概念。在高铁限界约束下，串列升力翼布局受壁面干扰及翼间流动影响显著。通过数值计算方法研究了升力翼壁面效应及翼间干扰影响规律，在此基础上提出了一种较优的六翼布局方式。研究表明：随着升力翼距壁面高度的增加，机翼受到的壁面效应逐渐减弱，壁面高度大于机翼一倍弦长时，壁面效应对升力翼的影响将消失。双翼布局下翼间距和翼间高度差对该布局的气动性能影响较大，随着翼间距及翼间高度差的增加，前翼对后翼升力系数产生的影响逐渐减小。六翼布局下，同一高度布放方式提供的升力最大，此时平均升力系数为1.1184，平均阻力系数为0.21，总升力为单节车厢总重量的26.66%。

Abstract

The aerodynamic lift cooperative high-speed train is an innovative concept by arranging tandem lift wings on the train body

such that it can improve the aerodynamic lift of the train

achieve the overall energy saving of the train operation and reduce the train's life cycle cost. Under the constraint of high-speed rail

the layout of tandem lifting wings is significantly affected by the wall interference and wing-wing interactions. In this study

numerical simulations are conducted to understand these two effects

and an optimal six-wing layout is proposed. The results show that as the wall-normal height of the lift wing increases

the wall effect on the wing gradually weakens. When the wall-normal height is greater than twice the chord length of the wing

the wall effect on the lift wing disappears. The wing spacing and wall-normal height difference of the double-wing layout can have great impacts on the aerodynamic performance of the wings. As the wing spacing and wall-normal height difference increase

the influence of the front wing on the lift coefficient of the rear wing gradually decreases. For the six-wing layout

the largest lift is generated when the wings are located at the same wall-normal height. Under this configuration

the averaged lift coefficient is 1.1184

the averaged drag coefficient is 0.21

and the total lift accounts for 26.66% of the weight of a single train carriage.

关键词

Keywords

references

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