The droplet swarm velocity profiles in flowing fluid are measuredby the LPIV with slice light beam technique.Disturbed flow of droplet swarm iS observed at high con-centration of dispersed phase.

• 应用片光束的侧向散射激光粒子成像测速法，测量了液滴群在流动液体中的速度分布，并观察到高浓度的速度扰动。