Table 4.

Chilldown efficiencies and mass flow rates for the six flight cases.

	Reduced-G			Ground-G
Case	Teflon coated	Bare SS304	Mass flow rate, kg/s	Teflon coated	SS304
1 (micro-g) 80 psig, continuous flow	18.54%	13.38%	0.0253	23.19%	19.54%
2 (micro-g) 80 psig 40% DC, 1 s Period	28.50%	21.26%	0.0350	28.49%	21.74%
3 (micro-g) 80 psig 70% DC, 1 s Period	23.48%	13.65%	0.0239	21.17%	17.78%
4 (micro-g) 60 psig, continuous flow	28.40%	17.83%	0.0100	24.50%	18.58%
5 (micro-g) 90 psig, continuous flow	16.87%*	12.96%*	0.0264*	17.26%	14.32%
6 (micro-g) 90 psig 50% DC, 1 s Period	23.88%*	18.63%*	0.0255*	20.52%	16.76%