Table 1 Stable value of drag coefficient under different length-diameter ratios.

From: Experimental research and analysis on the resistance characteristics of simulated ore bin in water

L/D

Cd (H = 0.15 m)

Cd (H = 0.10 m)

Cd (H = 0.05 m)

0.75

0.39

0.45

0.50

0.67

0.40

0.49

0.55

0.50

0.41

0.53

0.60

0.33

0.43

0.57

0.66

0.25

0.50

0.60

0.69

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