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Modeling of Particle Impingement in Presence of Ice Crystals
Technical Paper
2015-01-2140
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The presence of ice crystals in deep convective clouds has become a major threat for aviation safety. As recently highlighted, once inside the engine core, ice crystals encounter a high temperature environment, so that they can either melt by convection with the warm environment or melt upon impact onto hot static components of the low-pressure components. As a consequence, a liquid film may form which, in turn, is able to capture further ice crystals by sticking mechanism. This scenario results in a significant decrease of the local surface temperature and, hence, promotes the accretion of ice. Therefore, it is clear that icing simulation capabilities have to be updated in order to be able to predict such phenomena. The paper proposes an extension of CIRA icing tools to deal with ice crystals along with supercooled water droplets. Impingement models update are presented here, while ice crystals aerodynamic drag, heat transfer and phase change modeling have been presented in another paper submitted at the same conference.
Authors
Citation
Iuliano, E., "Modeling of Particle Impingement in Presence of Ice Crystals," SAE Technical Paper 2015-01-2140, 2015, https://doi.org/10.4271/2015-01-2140.Also In
References
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