Fig. 13. Effects of cos
on finger behavior. Experiments were run at different cos
values, but similar Q. Image times give an indication of relative velocity. (a) cos
= 1.0, Q = 0.254 cm3 min1, t = 90 s; (b) cos
= 0.50, Q = 0.265 cm3 min1, t = 200 s; (c) cos
= 0.25, Q = 0.247 cm3 min1, t = 285 s; and (d) cos
= 0.125, Q = 0.235 cm3 min1, t = 375 s.