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Étude numérique du comportement des réservoirs d'oxygène liquide soumis au ballottement.

Numerical Study on Behaviors of the Sloshing Liquid Oxygen Tanks.

Author(s) : ZHANG H., CHEN H., GAO X., PAN X., HUANG Q., XIE J., CHEN J.

Type of article: Periodical article

Summary

In marine storage and transportation, the sloshing of liquid oxygen disturbs the thermodynamic equilibrium and induces stress on tank walls. Numerous problems are associated with the sloshing mechanism and demand a detailed investigation. In this study, a numerical model is developed by coupling the Eulerian framework and the algebraic interface area density (AIAD) method while considering the interphase drag force to investigate the thermal behavior of sloshing liquid oxygen. The effect of the sloshing frequency on the evaporation performance of liquid oxygen is studied. Moreover, anti-sloshing is conducted by employing a T-shaped baffle. The results show that the sloshing induced a vapor explosion phenomenon due to the invalidation of the surface impedance and thermal destratification to enhance free convection, resulting in rapid depressurization and increased evaporation loss. In addition, maximum evaporation loss occurred under the vapor–liquid coupling excitation condition. The T-shaped baffle has an excellent anti-sloshing effect because of the generating tip vortices and the enhanced shearing effect of the walls, which are regarded as motion damping factors.

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  • Original title: Numerical Study on Behaviors of the Sloshing Liquid Oxygen Tanks.
  • Record ID : 30030425
  • Languages: English
  • Subject: Technology
  • Source: Energies - vol. 15 - n. 17
  • Publishers: MDPI
  • Publication date: 2022/09
  • DOI: http://dx.doi.org/10.3390/en15176457

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