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Communication Dans Un Congrès Année : 2023

Direct numerical simulation of sloshing and phase change in LH2 tanks

Résumé

Better understanding the boil-off phenomenon is necessary to optimize the storage and transportation of cryogenic liquids, especially during space missions where the cryogenic tank is subjected to various stresses. Here, a numerical study of sloshing and boiling in LH2 tanks using direct numerical simulation is presented. A compressible formalism is retained to capture phase change and interface deformation in a confined two-phase environment. Our objective is to analyze the behavior of the boil off rate in a sloshed cryogenic tank. A significant increase of the boiling rate is observed compared to the static configuration with the same parameters.
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Dates et versions

hal-04647747 , version 1 (17-07-2024)

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Leandro Germes Martinez, Benjamin Duret, Julien Reveillon, F.X. Demoulin, Amauric Jarry. Direct numerical simulation of sloshing and phase change in LH2 tanks. Joint 10th European Conference for Aerospace Sciences (EUCASS) and 9th conference of the Council of European Aerospace Societies (CEAS), Jul 2023, Lausanne, Switzerland. ⟨10.13009/EUCASS2023-346⟩. ⟨hal-04647747⟩
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