Investigation and Assessment of the CFD for Horizontal Flow in the VHTR Core

Table 1

Mass flow rates and pressure drop versus grid concentration.

5.8 mm gap width
Number of elements	Pressure drop (Pa)	Mass flow rates (kg/s)
8.8 million	3879.7	0.1531
4.1 million	3916.6	0.1552
1.8 million	3961.2	0.1582
0.75 million	4243.5	0.1619
Extrapolation value	3865.475	0.1525