Ice Detector Installation Position Optimization and Critical Temperature Analysis

CHENG Zikang; WANG Liu; ZHANG Dexin; FENG Jiaxin; SUN Bo; CHEN Jianye; XIE Junlong; ZENG Tenghui

doi:10.16356/j.2097-6771.2026.02.015

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Ice Detector Installation Position Optimization and Critical Temperature Analysis

更新时间：2026-04-30

- Ice Detector Installation Position Optimization and Critical Temperature Analysis
- Journal of Nanjing University of Aeronautics & Astronautics（Natural Science Edition） Vol. 58, Issue 2, Pages: 390-399(2026)
- 作者机构：
  
  1.华中科技大学能源与动力工程学院，武汉 430074
  2.中国航空工业集团公司武汉航空仪表有限责任公司，武汉 430070
- 作者简介：
- 基金信息：
- DOI：10.16356/j.2097-6771.2026.02.015
  CLC： V211.4;V244.1
- Received：19 November 2024，
  
  Revised：2025-03-04，
  
  Published：28 April 2026
- 稿件说明：
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程梓康，王柳，张德新，等. 结冰探测器安装位置优化与临界温度分析［J］. 南京航空航天大学学报（自然科学版），2026，58（2）：390⁃399.

CHENG Zikang， WANG Liu， ZHANG Dexin， et al. Ice detector installation position optimization and critical temperature analysis［J］. Journal of Nanjing University of Aeronautics & Astronautics（Natural Science Edition），2026， 58（2）：390⁃399.
程梓康，王柳，张德新，等. 结冰探测器安装位置优化与临界温度分析［J］. 南京航空航天大学学报（自然科学版），2026，58（2）：390⁃399. DOI： 10.16356/j.2097-6771.2026.02.015.

CHENG Zikang， WANG Liu， ZHANG Dexin， et al. Ice detector installation position optimization and critical temperature analysis［J］. Journal of Nanjing University of Aeronautics & Astronautics（Natural Science Edition），2026， 58（2）：390⁃399. DOI： 10.16356/j.2097-6771.2026.02.015.

摘要

为预防机翼结冰引起的飞行事故需要在飞机表面安装结冰探测器，结冰探测器的安装位置对其能否有效工作十分重要。本文建立了综合考虑水滴遮蔽区和临界温度的结冰探测器安装位置研究方法，针对某机型开展了机头表面水滴及空气流场进行CFD数值模拟，研究了机头表面水滴遮蔽区高度以及临界温度，并综合考虑以上因素分析结冰探测器安装位置。结果表明：水滴遮蔽区高度分布沿机头轴向向远离机头方向逐渐增大，在机头前端上表面水滴遮蔽区高度较低，结冰探测器探头更易伸出水滴遮蔽区。机头临界温度普遍分布在-8.5~-6 ℃，在机头前端由于受到气流冲击的影响临界温度较低且变化明显，在机头中后部临界温度较高且变化较小，撞击水滴更易结冰。综合考虑水滴遮蔽区高度和临界温度的影响，针对该型号机头确定了其表面结冰探测器最佳安装位置横坐标

范围在6.0~10.5 m，纵坐标

在-2.9~2.2 m。

Abstract

In order to prevent flight accidents caused by wing icing， ice detectors need to be installed on the surface of aircraft， and their installation positions are very important to its effective operation. This paper establishes a research method for the installation position of ice detector considering the droplet shielding zone and critical temperature comprehensively. A CFD numerical simulation is carried out for the droplet and air flow field on the nose surface of a certain model， the height of the droplet shielding zone on the nose surface and the critical temperature are studied， and the installation position of ice detector is analyzed comprehensively considering the above factors. The results show that the height distribution of the droplet shielding area increases gradually along the head axis and away from the head. The height of the droplet shielding area on the upper surface of the head is lower， and the probe of the ice detector is more likely to extend out of the droplet shielding area. The critical temperature of the head is generally distributed between -8.5 ℃

and -6 ℃. At the front end of the head， the critical temperature is low and changes obviously due to the impact of air flow； at the middle and back of the head， the critical temperature is high and changes little， and the impact water droplets are more likely to freeze. Considering the influence of the height of the droplet shielding area and the critical temperature， the optimum installation position of the surface ice detector is determined for the model head in the range of 6.0—10.5 m horizontal coordinate

and -2.9—2.2 m vertical coordinate

关键词

Keywords

references

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