The periodic motion is observed for low values of the crank speed and
coefficient of restitution. For a given set of parameter values, initial condition and time scale affected the appearance of the response.
Parameters Symbols Unit Value Acceleration of gravity g m/[s.sup.2] 9.8
Coefficient of restitution between [e.sub.1] -- 0.8 the free mass and the drill tool
Coefficient of restitution between [e.sub.2] -- 0.9 the free mass and the percussive horn Vibration amplitude of the [A.sub.0] [micro]m 15 percussive horn Vibration frequency of the f kHz 20 percussive horn Mass of percussive horn [m.sub.u] kg 0.08 Mass of drill tool [m.sub.v] kg 0.05 Mass of free mass [m.sub.w] kg 0.008
Importantly, this seems to be a default value assumed by observers, as the depictions were devoid of any information that could be used to infer the
coefficient of restitution. On the one hand, being schematic depictions, the stimuli provided no information about the balls' materials.
It would be advisable that future research take into account the physical differences between SC and LC balls, such as mass, diameter, and
coefficient of restitution, in order to determine their influence on corresponding performance variables.
NCAA standard for testing baseball bat performance, bat-ball
coefficient of restitution. Retrieved from http://fs.ncaa.org/Docs/rules/baseball/bats/NCAA%20BBCOR%20Protocol %20FINAL%205%2009.pdf
Viscous damping effect is evaluated by a
coefficient of restitution. The average value of the normal grain-wall
coefficient of restitution [c.sup.n.sub.w] = 0.5 was obtained by the grain-bed collision experiments performed in the wind tunnel (Wang 2008) was taken for current simulations.
[33], where measured values of
coefficient of restitution are provided.
The disadvantage of this model is that the variation of 1 b influences the final velocity of impact only a little; thus the
coefficient of restitution e becomes large.
An important parameter for the desired key features of the golf ball's core is said to be the
coefficient of restitution (COR).
Golf Association's .830 limit on the "
coefficient of restitution"--essentially, a club's hotness.
The
coefficient of restitution (COR), an indirect measure of the potential distance a golf ball can be driven, was measured for six golf balls in order to determine whether there is a direct relationship between the cost of a golf ball and the ball's quality.