The radial velocity in three kinds of chamber, each with different types of disk-plate disk, grooved disk and bladed disk, were measured by using LDA, respectively.

• 同时对平板形、沟槽形、叶片形三种不同转盘结构的滤室内流体的径向速度进行了激光测定，结果表明三种转盘形式下径向速度的分布及操作参数对径向速度的影响趋势是相似的；