大型结冰风洞气流场适航符合性验证

郭向东; 柳庆林; 赖庆仁; 杨升科; 赵照

doi:10.7638/kqdlxxb-2019.0086

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大型结冰风洞气流场适航符合性验证

研究论文 | 更新时间：2026-05-28

- 大型结冰风洞气流场适航符合性验证
- Airworthiness compliance verification of aerodynamic flowfield of a large-scale icing wind tunnel
- 空气动力学学报 2021年39卷第2期页码：184-195
- 作者机构：
  
  中国空气动力研究与发展中心结冰与防除冰重点实验室,绵阳,621000
- 作者简介：
  
  郭向东*（1989-），男，陕西咸阳人，工程师，研究方向：结冰空气动力学. E-mail：easterkuo@163.com
- 基金信息：
  
  国家重点基础研究发展计划（2015CB755800）
- DOI：10.7638/kqdlxxb-2019.0086
  中图分类号： V228.7+1
- 纸质出版：2021
- 稿件说明：
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郭向东, 柳庆林, 赖庆仁, 等. 大型结冰风洞气流场适航符合性验证[J]. 空气动力学学报, 2021, 39(2): 184−195.

GUO Xiangdong, LIU Qinglin, LAI Qingren, et al. Airworthiness compliance verification of aerodynamic flowfield of a large-scale icing wind tunnel[J]. 2021, 39(2): 184-195.
郭向东, 柳庆林, 赖庆仁, 等. 大型结冰风洞气流场适航符合性验证[J]. 空气动力学学报, 2021, 39(2): 184−195. DOI： 10.7638/kqdlxxb-2019.0086

GUO Xiangdong, LIU Qinglin, LAI Qingren, et al. Airworthiness compliance verification of aerodynamic flowfield of a large-scale icing wind tunnel[J]. 2021, 39(2): 184-195. DOI： 10.7638/kqdlxxb-2019.0086.

摘要

大型结冰风洞气流场适航符合性是大型结冰风洞适航应用的先决条件。为验证3 m × 2 m结冰风洞气流场适航符合性，首先建立了结冰风洞气流场适航符合性验证方法，然后针对主试验段构型，开展了气流场适航符合性验证试验，考察了试验段气流速度和喷嘴干空气射流对流场特征参数（气流速度、气流偏角和气流湍流度）的影响，最后评估了试验段内气流场品质，获得了结冰风洞气流场控制包线。结果表明：喷雾耙结构会影响试验段内气流速度和气流偏角空间分布形态，进而导致了非均匀峰值区的形成；增大试验段气流速度会改善气流场品质，但喷嘴干空气射流会显著恶化试验段气流速度低于60 m/s的气流场品质；3 m × 2 m结冰风洞主试验段气流场品质在主要试验速度范围内均满足适航审定要求。

Abstract

The airworthiness compliance of the aerodynamic flowfield is the precondition for the airworthiness application of large icing wind tunnels. In order to verify the airworthiness compliance of the aerodynamic flowfield of the 3 m × 2 m icing wind tunnel at China Aerodynamic Research and Development Center (CARDC)

a verification method is established first in the present study. Then

a verification test is conducted for the main test section of the icing wind tunnel

where influences of the flow velocity and the dry air nozzel jet on characteristic parameters of the flowfield (the airspeed

the flow angularity and the turbulence intensity) are examined. The quality of the aerodynamic flowfield is evaluated

with the aerodynamic operating envelop obtained. Results show that the spray bar configuration has great effects on the spatial distribution of the airspeed and the flow angularity in the test section

resulting in the formation of a non-uniform peak area. Increasing the flow velocity at the test section can improve the quality of the aerodynamic flowfield

but such an improment can be significantly worsened by the nozzle dry air jet when the flow velocity at the test section is below 60 m/s. It is concluded that the quality of the aerodynamic flowfield in the main test section of the 3 m × 2 m icing wind tunnel at CARDC meets the requirement of the airworthiness certification in the main testing airspeed range.

关键词

Keywords

references

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