Liquid equal residence time distributions on DJ type tray with guide plate were measured in air-water system by using hot-water tracer technique and computerized multipass thermometer.

• 以空气-水为物系,采用热水示踪技术和计算机温度测量系统测试了设置有导流板的DJ型塔板上的液体等停留时间分布,研究了导流板对液体流动的作用。