Analysis of the Natural Convection Flow in the Upper Plenum of the MONJU Reactor with Trio_U

Table 2

Physical properties of sodium at 400°C.

Quantity	Value	Unit
Density	858	kg⋅m^−3
Dynamic viscosity	2.81 * 10^−4	kg⋅m^−1⋅s^−1
Therm. conductivity	69.7	W⋅m^−1⋅K^−1
Heat capacity	1284	J⋅kg^−1⋅K^−1
Therm. expansion coefficient	2.68 * 10^−4	K^−1