Article | REF: TRP4000 V1

Aircraft icing, physical modeling and numerical simulation

Author: Didier GUFFOND

Publication date: May 10, 2014

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3. Modeling hot air or electric anti-icing

Evaporation is the most important part of modeling dry (total evaporation) or wet (partial evaporation) anti-icing systems. Various models are presented. Two physical models exist:

  • a model based on the gross difference in mass concentration (in fact all models except Spalding), coupled with the Colburn-Chilton analogy for the transfer coefficient. Various simplifying assumptions are made to arrive at a final formulation, but the basic physics remains the same;

  • a model based on a diffusion law, integrated on a plane Couette flow (Spalding model).

The main models used are described below.

3.1 Messinger model

Vaporization is generated by the...

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Modeling hot air or electric anti-icing
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