凝聚性沉滓水庫之排砂策略研究─水庫沉滓沉降行為之研究

According to these investigations, an implicit
relation between Cd(drag coefficient) and
Re(Reynolds number),also named as the standard
drag curve. Using self-developed “Dynamic Image
Digitalization System”, we got two new regressed
curve for estimating terminal velocity. In basis of
experiment data, the ratio of the period of the velocity in lateral direction to the period of the velocity in gravitational direction is 2:1.