Table 1. Shape parameters of μCT imaging...

Table 1.

Shape parameters of μCT imaging data and non-spherical clumps (N_s = 25) of tested materials

ID	Sphericity: S			Convexity: C_x			Aspect ratio, AR			Overall regularity, OR
ID	DEM	μCT	Diff.: %	DEM	μCT	Diff..: %	DEM	μCT	Diff.: %	DEM	μCT	Diff.: %
SGB	1·000	0·940	6·4	1·000	0·974	2·7	1·000	0·975	2·6	1·000	0·963	3·8
DGB	0·890	0·916	−2·8	1·000	0·936	6·8	0·900	0·918	−1·9	0·930	0·923	0·7
CGB1	0·862	0·888	−3·0	0·907	0·901	0·6	0·746	0·766	−2·6	0·838	0·852	−1·6
CGB2	0·651	0·671	−3·0	0·541	0·568	−4·8	0·508	0·443	14·7	0·567	0·561	1·1
AGB1	0·715	0·715	−0·04	0·807	0·807	0·04	0·405	0·405	−0·1	0·642	0·642	−0·02
AGB2	0·537	0·537	0·02	0·739	0·739	0·06	0·231	0·281	−17·9	0·502	0·519	−3·2
LBS	0·799	0·799	−0·1	0·847	0·847	0·02	0·882	0·882	0·0	0·843	0·843	−0·01
SS	0·825	0·860	−4·1	0·857	0·886	−3·2	0·877	0·802	9·4	0·853	0·849	0·4

ID	Sphericity: S			Convexity: C_x			Aspect ratio, AR			Overall regularity, OR
ID	DEM	μCT	Diff.: %	DEM	μCT	Diff..: %	DEM	μCT	Diff.: %	DEM	μCT	Diff.: %
SGB	1·000	0·940	6·4	1·000	0·974	2·7	1·000	0·975	2·6	1·000	0·963	3·8
DGB	0·890	0·916	−2·8	1·000	0·936	6·8	0·900	0·918	−1·9	0·930	0·923	0·7
CGB1	0·862	0·888	−3·0	0·907	0·901	0·6	0·746	0·766	−2·6	0·838	0·852	−1·6
CGB2	0·651	0·671	−3·0	0·541	0·568	−4·8	0·508	0·443	14·7	0·567	0·561	1·1
AGB1	0·715	0·715	−0·04	0·807	0·807	0·04	0·405	0·405	−0·1	0·642	0·642	−0·02
AGB2	0·537	0·537	0·02	0·739	0·739	0·06	0·231	0·281	−17·9	0·502	0·519	−3·2
LBS	0·799	0·799	−0·1	0·847	0·847	0·02	0·882	0·882	0·0	0·843	0·843	−0·01
SS	0·825	0·860	−4·1	0·857	0·886	−3·2	0·877	0·802	9·4	0·853	0·849	0·4