The Reynolds-averaged model used to analyze the thermalhydraulic
characteristics for the incompressible (Mach
number < 0.3) molten salt of FLiNaK includes equations for continuity,
momentum, energy, as well as the kε two-equation
turbulence model. Uniform velocity and temperature distributions
are set as the inlet boundary condition, and the pressure is
employed at the outlet boundary condition. The inlet velocity varies
from 22 m/s to 220 m/s. The inlet temperature for all simulations is
set at 773 K, and the operating pressure is 1atm. A uniform heat flux
of 1.4 MW/m2 is defined on the wall surface. The standard wall
functions [22] for both the momentum and the energy equations
are applied on the wall. In addition, the physical properties of FLi-
NaK salt, except for specific heat, are strongly dependent on the
temperature [23]. These temperature-dependent physical properties
(f) can be approximated by the following polynomial.
The Reynolds-averaged model used to analyze the thermalhydraulic
characteristics for the incompressible (Mach
number < 0.3) molten salt of FLiNaK includes equations for continuity,
momentum, energy, as well as the kε two-equation
turbulence model. Uniform velocity and temperature distributions
are set as the inlet boundary condition, and the pressure is
employed at the outlet boundary condition. The inlet velocity varies
from 22 m/s to 220 m/s. The inlet temperature for all simulations is
set at 773 K, and the operating pressure is 1atm. A uniform heat flux
of 1.4 MW/m2 is defined on the wall surface. The standard wall
functions [22] for both the momentum and the energy equations
are applied on the wall. In addition, the physical properties of FLi-
NaK salt, except for specific heat, are strongly dependent on the
temperature [23]. These temperature-dependent physical properties
(f) can be approximated by the following polynomial.
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