Process of Air Ingress during a Depressurization Accident of GTHTR300

Table 8

Rayleigh number (10⁴) of the side and top spaces in the apparatus.

Heat input [W]	Distance from the bottom [mm]
	72.5; (Representative length = 33 mm)	205; (Representative length = 33 mm)	337.5; (Representative length = 033 mm)	410; (Representative length = 139.8 mm)
36	0.0030.32	0.0151.24	0.0232.63	3.00219
144	0.0120.87	0.0402.67	0.0555.24	8.13470
324	0.0141.63	0.0644.31	0.0857.82	15.0879