Applied Bionics and Biomechanics / 2019 / Article / Fig 5

Research Article

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

Figure 5

Results of a single factor test.
(a) The effect of forward velocity on forward resistance
(b) The effect of normal pressure on forward resistance
(c) The effect of flow rate of lubricating fluid on forward resistance