Experimental Study on Drag Reduction Characteristics of Bionic Earthworm Self-Lubrication Surface

Table 2

Single factor test scheme.

Level	Factors
	Forward velocity (cm/min)	Flow rate of lubricating fluid (ml/s)	Normal pressure (N)
1	100	0.01	17
2	200	0.02	34
3	300	0.03	51
4	400	0.04	68
5	500	0.05	85