Eulerian Method for Ice Crystal Icing

Ellen Norde; Edwin Theodorus Antonius van der Weide; Hendrik Willem Marie Hoeijmakers

doi:10.2514/1.J056184

Eulerian Method for Ice Crystal Icing

Ellen Norde (Corresponding Author), Edwin Theodorus Antonius van der Weide, Hendrik Willem Marie Hoeijmakers

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

In this study, an ice accretion method aimed at ice crystal icing in turbofan engines is developed and demonstrated for glaciated as well as mixed-phase icing conditions. The particle trajectories are computed by an Eulerian trajectory method. The effects of heat transfer and phase change on the particle trajectory and on the impact at the icing surface are taken into account. The computation of the evolution of the ice layer includes the contributions of ice and liquid water for mixed-phase conditions as well as the effects of erosion caused by ice crystals. Verification and validation benchmarks are carried out for a NACA 0012 airfoil and a streamlined shape with a curved cylindrical nose. It is shown that the ice thickness and shape are predicted accurately by the proposed method.

Original language	English
Pages (from-to)	222-234
Number of pages	13
Journal	AIAA journal
Volume	56
Issue number	1
DOIs	https://doi.org/10.2514/1.J056184
Publication status	Published - Jan 2018

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AB - In this study, an ice accretion method aimed at ice crystal icing in turbofan engines is developed and demonstrated for glaciated as well as mixed-phase icing conditions. The particle trajectories are computed by an Eulerian trajectory method. The effects of heat transfer and phase change on the particle trajectory and on the impact at the icing surface are taken into account. The computation of the evolution of the ice layer includes the contributions of ice and liquid water for mixed-phase conditions as well as the effects of erosion caused by ice crystals. Verification and validation benchmarks are carried out for a NACA 0012 airfoil and a streamlined shape with a curved cylindrical nose. It is shown that the ice thickness and shape are predicted accurately by the proposed method.

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