The mechanism of the formation of the rising liquid thin film and its flow characteristics on the fluted surface of a horizontal tube was investigated. 摘要对蒸发状态下水平螺旋槽管管外壁面升膜的形成机理和流动特性进行了研究。
The pressure and flow characteristics near the recirculation hole of self-priming pumps with outer recirculation were measured and theoretically analysed. 对外混式自吸泵关键机构回流孔处压力和流动特性进行了测试分析。
