LI Ming-jian, CHEN Long, NI Ming-jiu, ZHANG Nian-mei. Mechanical Behaviors of the FCI With Various Geometric Characteristics in Multi-Physics Fields[J]. Applied Mathematics and Mechanics, 2015, 36(3): 252-261. doi: 10.3879/j.issn.1000-0887.2015.03.003
Citation: LI Ming-jian, CHEN Long, NI Ming-jiu, ZHANG Nian-mei. Mechanical Behaviors of the FCI With Various Geometric Characteristics in Multi-Physics Fields[J]. Applied Mathematics and Mechanics, 2015, 36(3): 252-261. doi: 10.3879/j.issn.1000-0887.2015.03.003

Mechanical Behaviors of the FCI With Various Geometric Characteristics in Multi-Physics Fields

doi: 10.3879/j.issn.1000-0887.2015.03.003
Funds:  The National Natural Science Foundation of China(51376175)
  • Received Date: 2014-09-24
  • Rev Recd Date: 2014-10-30
  • Publish Date: 2015-03-15
  • The flow channel insert (FCI) is an indispensable component in the ITER. It serves as the thermal and electric insulator in the blanket module. The mechanical behaviors of the FCI were investigated under the coupling effects of magneto-thermo-fluid-mechanical fields. Numerical investigations based on the finite volume method and finite element method were applied. The velocity profiles, temperature distributions and structural stress states were analyzed. Influences by the magnetic field and geometric characteristics of the FCI on the blanket module were investigated. Results show that, a stronger magnetic field causes lower first-wall (FW) temperature and FCI thermal stresses despite leading to the MHD effects, a thicker FCI yields lower FW temperature yet higher FCI temperature gradient and thermal stresses, and a wider gap leads to lower FW temperature yet higher Mises stresses in the FCI.
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