The energy conversion and loss in collision are discussed, a formula ofcoefficientofrestitution is obtained by energy.
讨论碰撞过程中能量转化和能量损失，给出恢复系数的能量表达式。
2
A formula of rebound distance based on coefficientofrestitution was deduced through kinematic analysis of raw coal (mixed gangue) in the process of oblique-impact.
通过对斜碰撞过程中原煤(混矸)球的运动分析，推导出基于碰撞恢复系数的物料块反弹距离公式。
3
The meaning and function ofrestitutioncoefficient were introduced, and some kinds of impact process models were analyzed.