Raschig"s Rings with Cross Partition

Type Size(mm)	Surface Area(m2/m3)	Void raction(%)	Numbers(n/m3)	Bulk Density(kg/m3)
80×8	120	0.54	1950	916
100×10	110	0.53	1000	930
150×15	60	0.58	296	960

Cylindrical Rings

Type Size(mm)	Surface Area(m2/m3)	Void Fraction(%)	Numbers(n/m3)	Bulk Density(kg/m3)	Packed Factor(1/m)
25×25×2.5	200	0.78	54000	598	400
40×40×4	140	0.75	13200	580	305
50×50×5	105	0.81	6800	590	177
80×8×08	90	0.68	1950	690	243
100×100×10	70	0.70	1000	700	172

 

Pall - Rings

Type Size(mm)	Surface Area(m2/m3)	Void Fraction(%)	Numbers(n/m3)	Bulk Density(kg/m3)	Packed Factor(1/m)
25×3	210	0.68	54000	580	540
38×4	150	0.75	13000	570	430
50×5	115	0.78	6800	540	77
80×8	98	0.81	1950	670	343

Super Torus Saddles

Type Size(mm)	Surface Area(m2/m3)	Void Fraction(%)	Numbers(n/m3)	Bulk Density(kg/m3)	Packed Factor(1/m)
25×3	260	0.86	86400	510	340
38×4	210	0.79	21000	483	190
50×5	140	0.81	9400	538	140
76×9	105	0.78	2800	580	74

Torus Saddles

Type Size(mm)	Surface Area(m2/m3)	Void Fraction(%)	Numbers(n/m3)	Bulk Density(kg/m3)	Packed Factor(1/m)
25×3	258	0.77	86400	548	320
38×4	197	0.78	21000	520	170
50×5	120	0.79	9400	532	130
76×9	92	0.81	2800	595	72