Investigation and application of ice accretion shape online measurement system for large-scale icing wind tunnel

ZUO Chenglin; MA Jun; WEI Longtao; SUN Dongning; LIU Guanmian; CHENG Zhihang; YI Xian

doi:10.7638/kqdlxxb-2023.0213

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Investigation and application of ice accretion shape online measurement system for large-scale icing wind tunnel

更新时间：2026-07-27

- Investigation and application of ice accretion shape online measurement system for large-scale icing wind tunnel
- Vol. 42, Issue 11, Pages: 110-120(2024)
- 作者机构：
  
  1. 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
  2. 中航通飞华南飞机工业有限公司,珠海,519000
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2023.0213
  CLC： V216.8
- Published：2024
- 稿件说明：
移动端阅览
左承林, 马军, 魏龙涛, 等. 大型结冰风洞冰形在线测量系统研制与应用[J]. 空气动力学学报, 2024, 42(11): 110−120.

ZUO Chenglin, MA Jun, WEI Longtao, et al. Investigation and application of ice accretion shape online measurement system for large-scale icing wind tunnel[J]. 2024, 42(11): 110-120.
左承林, 马军, 魏龙涛, 等. 大型结冰风洞冰形在线测量系统研制与应用[J]. 空气动力学学报, 2024, 42(11): 110−120. DOI： 10.7638/kqdlxxb-2023.0213

ZUO Chenglin, MA Jun, WEI Longtao, et al. Investigation and application of ice accretion shape online measurement system for large-scale icing wind tunnel[J]. 2024, 42(11): 110-120. DOI： 10.7638/kqdlxxb-2023.0213.

摘要

针对大型结冰风洞试验中结冰生长过程三维冰形连续测量需求，研制了基于激光线扫描成像的冰形在线测量系统，并在中国空气动力研究与发展中心3 m×2 m结冰风洞某型飞机机翼模型结冰试验中得到了实际应用。基于三维标定装置，对系统扫描测量过程中的所有激光平面进行了快速标定，获得了相机参数和激光平面参数。为实现复杂结冰表面激光线的精确提取，将Steger方法与梯度重心法进行了有效结合，实现了激光线亚像素的精确提取，结合标定结果，解算激光线空间三维坐标，进而重建得到结冰冰形整体三维形貌。试验结果表明，冰形在线测量系统重复测量精度仅为0.18 mm，可有效获取不同云雾环境下模型前缘霜冰、明冰以及混合冰生长过程在不同时刻的三维冰形。与商用三维扫描仪的测量结果相比，两者结果吻合良好，整体标准偏差为0.5 mm。

Abstract

Ice accretion on aircraft surface degrades aircraft's aerodynamic performance and results in unpredictable disasters. Large-scale icing wind tunnels are essential for studying the growth process of the ice accretion on aircraft surfaces

the key to which is obtaining the precise ice shape. In the present paper

we developed a laser line scanning imaging-based system for online measuring the three-dimensional geometry of ice accretion in large-scale icing wind tunnels. This system has been successfully demonstrated in tests using an aircraft wing model at China Aerodynamics Research and Development Center's 3 m×2 m icing wind tunnel. Prior to scanning

a tridimensional calibration device was used to acquire all laser plane coefficients

which were later combined with camera calibration parameters to establish a mapping function between image and real-world dimensions. Using a combination of the Steger method and gradient barycenter calculation

we accurately located the laser lines on the intricate ice surface and calculated its three-dimensional coordinates

which were used to reconstruct the entire three-dimensional ice geometry. Experimental results indicate that our measurement system has a repeatability accuracy of 0.18 mm; it can effectively capture the three-dimensional geometry of rime

mixed and clear ice on the airfoil model's leading edge during the growth process. Our results agree well with commercial 3D scanners

with an overall standard deviation of 0.5 mm.

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references

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