Type A

・ Right tailed PDF

・ Tall and narrow to the left with longer tails to the right

・ Flow is dominated with low concentration, that is dilute suspension flow

・ Relatively very low fluctuations

Type B

・ Single peak to the left and longer tail towards the right

・ Flow is dominated with low solid concentration

・ High fluctuation between dilute and dense suspension

Type C

・ Single peak at the centre, two tailed profile

・ Flow is dominated with single phase, in this case the dense phase around the mean

・ Existence of low variations in solid fluctuations

Type D

・ Double peak, right tailed

・ Segregated flows

・ Coexistence of the dilute and dense phases

・ High fluctuations