Simulation of unsteady electrothermal deicing process based on PHengLEI

LIU Zonghui; BU Xueqin; LIN Guiping; LI Weibin

doi:10.7638/kqdlxxb-2021.0353

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Simulation of unsteady electrothermal deicing process based on PHengLEI

更新时间：2026-05-28

- Simulation of unsteady electrothermal deicing process based on PHengLEI
- Vol. 41, Issue 2, Pages: 53-63(2023)
- 作者机构：
  
  1. 北京航空航天大学航空科学与工程学院,北京,100083
  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-2021.0353
  CLC： V321.2+29;V211.3
- Published：2023
- 稿件说明：
移动端阅览
刘宗辉, 卜雪琴, 林贵平, 等. 基于PHengLEI的非稳态电热除冰过程仿真[J]. 空气动力学学报, 2023, 41(2): 53−63.

LIU Zonghui, BU Xueqin, LIN Guiping, et al. Simulation of unsteady electrothermal deicing process based on PHengLEI[J]. 2023, 41(2): 53-63.
刘宗辉, 卜雪琴, 林贵平, 等. 基于PHengLEI的非稳态电热除冰过程仿真[J]. 空气动力学学报, 2023, 41(2): 53−63. DOI： 10.7638/kqdlxxb-2021.0353

LIU Zonghui, BU Xueqin, LIN Guiping, et al. Simulation of unsteady electrothermal deicing process based on PHengLEI[J]. 2023, 41(2): 53-63. DOI： 10.7638/kqdlxxb-2021.0353.

摘要

为了填补国产自主可控CFD软件风雷平台的防除冰功能开发的空白，本文建立了电热除冰计算模型、计算方法和非稳态导热模型，并在国家数值风洞风雷平台（PHengLEI）基础上，集成了非稳态电热除冰计算和非稳态导热计算功能。通过与主流商业CFD软件仿真结果和实验数据的对比，验证了导热和非稳态电热除冰程序的准确性。针对某飞行工况进行了电热除冰计算，通过对表面溢流水、表面温度、结冰量的计算结果分析，发现合理布局加热片、设计加热热流密度和电热除冰控制率，可实现电热除冰系统的安全运行和能源的高效利用。

Abstract

Aircraft can encounter ice accretion on the windward surface as they fly through clouds that contain sub-cooled water droplet

which can then affect the aircraft performance and pose extremely serious threats to the flight safety. Electrothermal deicing is an important measure for aircraft icing protection. In this study

the numerical model and method for electrothermal deicing together with an unsteady heat conduction model have been established. Based on the “National Numerical Windtunnel” PHengLEI platform

the newly proposed model for unsteady electrothermal deicing is integrated. By comparing with the simulation results of widely used commercial CFD software and experimental data

the accuracy of the integrated unsteady electrothermal deicing program is verified. Simulations for electrothermal deicing under certain working conditions are carried out. Through analyses of the calculated surface overflow water

surface temperature and icing volume

it is found that a reasonable design of the heater layout

the heating heat flux and the electric heating deicing control rate

can help achieve the safe operation of the electrothermal deicing system and improve the efficient use of energy.

关键词

Keywords

references

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