Ping Yu1, *, Chuanhui Huang1, Lei Liu1, Huafeng Guo1, Chengqiang Liu1
FDMP-Fluid Dynamics & Materials Processing, Vol.16, No.2, pp. 267-280, 2020, DOI:10.32604/fdmp.2020.06528
Abstract To study the heat and mass transfer characteristics of alkali metals in a
combined porous wick in high-temperature heat pipes, a three-dimensional (3-D)
numerical model is constructed by using the finite volume method, Darcy’s theory, and
the theory of local thermal equilibrium. The research finds that the pressure drop of
fluids flowing through a combined porous wick exhibits an increasing trend with
increasing flow velocity at the inlet and with decreasing permeability of the porous
media; a combined porous wick of lower porosity and permeability and larger fluid
velocity at the inlet is found to have a less uniformly distributed… More >
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