A Reduced Order Model Based on ANN-POD Algorithm for Steady-State Neutronics and Thermal-Hydraulics Coupling Problem

Table 1

Notation in the governing equations.

Symbols	Physical parameters
	Neutron flux
	Neutron absorption cross section
	Neutron fission cross section
	Neutron diffusion coefficient
	Heat production per nuclear fission reaction
	Effective multiplication factor
	Fuel temperature
	Fuel density
	Fuel heat capacity
	Anisotropic fuel heat conductivity
	Fluid temperature
	Fluid density
	Fluid heat capacity
	Fluid heat conductivity
	Heat transfer coefficient
	Heat transfer area
	Fluid velocity
	Fluid temperature
	Gravity acceleration
	Porosity
	Friction factor