On a new experimental set up of filter with three ceramic filter elements,the transient velocity outside the filter element is measured by hot wire anemometer during pulse jet cleaning process.

• 在由三根陶瓷滤管组成的实验装置上,利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定,分析了喷吹压力、脉冲宽度、过滤气速和喷吹距离对滤管外流场的影响。