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Hydro-thermo analysis of Li flow over IFMIF geometry

Authors
Journal
Fusion Engineering and Design
0920-3796
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.fusengdes.2014.06.011
Keywords
  • Ifmif
  • Variable Curvature Backplate
  • Les
  • K-ϵ
  • Rans
  • Thermohydraulic
Disciplines
  • Mathematics

Abstract

Abstract A thermo-hydraulic analysis of high-speed free surface Li flow over a concave plate (IFMIF geometry) is performed. Simulations are done for bulk velocities between 10 and 20m/s using ANSYS Fluent. A pre-computed heat source was imposed at the center of the curved section to simulate the interaction of a dual deuteron beam with the Li jet. LES and k-ϵ models were used for turbulence modeling and Volume of Fluid and Level Set methods were used to model the free surface flow. Results reported are the variation of temperature, pressure and velocities across the Li jet at various locations along the curved region. Safety margins before Li starts boiling are also predicted. All cases predicted smooth surfaces without any waves.

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