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A single step ice accretion model using Level-Set method
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DOI：10.1016/j.jfluidstructs.2016.06.001.png)
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摘要
En 中文
A new approach using the Level-Set framework is developed in the NSMB (Navier-Stokes-multi-block) compressible solver for modeling the ice/air interface evolution through time during in-flight icing. Droplet distribution and impingement efficiency are computed by an Eulerian approach and the accreted ice is calculated by a PDE model. An icing velocity field is introduced and the Level-Set equations are solved on body-fitted multi-block structured grids. The whole process is parallelized with the MPI library for efficient calculations. Single step icing is simulated on NACA23012 and NACA0012 airfoils and on the ONERA-M6 and the GLC-305 swept wings. In all the studied cases, the results are in good agreement with existing and available data validating the feasibility of the approach. (C) 2016 Elsevier Ltd. All rights reserved.
Keyword:
Aircraft icing
Level-Set method
Eulerian droplet transport equations
PDE icing model
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