Unsteady simulation of aircraft electro-thermal deicing process with temperature-based method

被引：20

作者：

Shen, Xiaobin ^{[1
]}

Wang, Huanfa ^{[1
]}

Lin, Guiping ^{[1
]}

Bu, Xueqin ^{[1
]}

Wen, Dongsheng ^{[1
,2
]}

机构：

[1] Beihang Univ, Lab Fundamental Sci Ergon & Environm Control, Sch Aeronaut Sci & Engn, Beijing, Peoples R China

[2] Univ Leeds, Sch Chem & Proc Engn, Leeds, W Yorkshire, England

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING | 2020年 / 234卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Aircraft icing; electro-thermal deicing; unsteady simulation; freezing coefficient; runback water; NUMERICAL-SIMULATION; HEAT-TRANSFER; ICE;

D O I：

10.1177/0954410019866066

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Considering the mass and energy sources carried by the accumulated ice layer, an unsteady heat and mass transfer model of the runback water film on the deicing surface is established to simulate aircraft electro-thermal deicing process. With the extension of the freezing coefficient to the transient calculation, the coupled heat transfer of the runback water and the solid skin is solved at each time step by a temperature-based method. Unsteady numerical simulation is carried out for the electro-thermal deicing system of a NACA 0012 airfoil. The temperature variations with time are in acceptable agreement with the literature data, and the unsteady temperature-based deicing model is verified. The calculation results of temperature, runback water flux and ice thickness on the deicing surface are analyzed at different time points, and it is shown that the unsteady electro-thermal deicing model can capture the main features of the icing, ice melting and re-freezing processes in the transient deicing simulations.

引用

页码：388 / 400

页数：13

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