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Eulerian Method for Ice Crystal Icing with Application to Particle Trajectories and Accretion on a Three-Element Airfoil

机译:冰晶结冰的欧拉方法及其在三元素翼型粒子轨迹和积聚中的应用

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The aim of this study is to show the application of an Eulerian method for ice crystal icing to a three-element airfoil in high-lift configuration. The ice crystals have been modeled as non-spherical particles which are subject to convection and/or phase change along their trajectories. On impact with the airfoil surface the ice crystals will either stick to the surface or rebound from the airfoil unchanged or as a number of fragments. The evolution of the secondary cloud containing these rebounded or shattered fragments is computed as well. It is concluded that an Eulerian method is a convenient method to compute trajectories of (melting) ice crystals for a high-lift configuration such as a three-element airfoil if certain limitations with regard to the secondary cloud of particles are taken into account.
机译:这项研究的目的是展示在高升程配置中,欧拉法用于三元素翼型冰晶冰结冰的应用。冰晶已被建模为非球形粒子,它们沿其轨迹经受对流和/或相变。与机翼表面碰撞时,冰晶会粘附在表面或从机翼上反弹,而不会改变或呈许多碎片状。还计算了包含这些反弹或破碎的碎片的次级云的演化。结论是,如果考虑到对粒子的次级云的某些限制,则欧拉方法是一种用于计算高熔点构造(如三元素翼型)的(融化)冰晶轨迹的便捷方法。

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