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Volume 30 Issue 1
Feb.  2009
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XIE Bo, HU Rui. Behavior of Tritium Release from Liquid LiPb Alloy[J]. Nuclear Power Engineering, 2009, 30(1): 124-128.
Citation: XIE Bo, HU Rui. Behavior of Tritium Release from Liquid LiPb Alloy[J]. Nuclear Power Engineering, 2009, 30(1): 124-128.

Behavior of Tritium Release from Liquid LiPb Alloy

  • Received Date: 2007-10-27
  • Rev Recd Date: 2008-04-17
  • Available Online: 2025-07-28
  • Publish Date: 2009-02-15
  • The liquid lithium lead alloy is a prominent breeder material for the fusion reactor tritium blanket. For an effective calculation of the knowledge of kinetics of tritium release behavior from liquid LiPb alloy, a mathematical model is built by taking into consideration the theory of metals and hydrogen and the design of the bubble tritium extraction system from the liquid Lithium-Lead module for fusion reactor. The calculation data of tritium release-behavior from liquid LiPb under different operating conditions of tempera-ture and tritium partial pressures and helium gas flow-rates and mass transfer coefficients are obtained. These results have shown that the overall release process, even though including five sub-processes (transport of the tritium by diffusion and convection, transport of the tritium by diffusion through a layer of eutectic adjacent to the gas-eutectic interface, heterogeneous reaction at the interface of the tritium atoms recombination, diffusion of the tritium through the gas-phase boundary layer, transport of the gaseous tritium by diffusion and convec-tion from the gas phase boundary layer), is governed by the diffusion of tritium atoms in the LiPb and by the heterogeneous reaction at the gas-eutectic interface of the tritium atoms recombination in the desorptiong temperature vary from 633 to 723 K.

     

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