细长椭球体在水中自由下落的运动特性实验研究 1) |
詹军,张杰,阳倦成,倪明玖 |
EXPERIMENTAL STUDY ON THE KINEMATICS OF FREELY FALLING PROLATE SPHERE IN THE WATER 1) |
Zhan Jun,Zhang Jie,Yang Juancheng,Ni Mingjiu |
图10 不同$L/d$下偏转角, 振荡频率$f$及无量纲化后的$St^{\ast}$随$Ar$的演化对比 |
Fig.10 Comparison of the oscillations frequency $f$ and the $St^{\ast }$ of the body inclination angle versus the $Ar$ for various elongation ratio $L/d$ |