沿着 5.0 厘米标志的蛞蝓开始和随后的进化, 16m 长水平的管子试验性地被学习。界面的结构的短暂特征被沿着管子在多重地点使用液体高度的同时的大小描述。沿着管子的蛞蝓开始和进化上的表面的气体和液体速度和压力摆动的各种各样的效果被说明。蛞蝓被一个确定的过程为表面的气体速度 USG 在入口附近与液体的补充和弄空开始,这被发现 > 3.0 m · s 1 并且由有沿着为 USG 的管子的波浪结合的一个随机的过程 < 3.0 m · s 1。蛞蝓的进化被表面的气体和液体速度强烈为 USG 影响 < 3.0 m · s 1 但是微弱地为 USG 由表面的气体速度影响了 < 3.0 m · s 1。在管子入口的压力摆动的抑制显著地推迟猛击的发作,与形成的蛞蝓进一步下游地推迟了。然而,在插头的蛞蝓频率没被变化在压力摆动影响。
Slug initiation and subsequem evolution along a 5.0 cm ID, 16m long horizomal pipe are experimentally studied. The transient characteristics of interfacial structures are described by using simultaneous measuremeres of the liquid height at multiple locations along the pipe. Various effects of superficial gas and liquid velocities and pressure oscillation on the slug initiation and evolution along the pipe are illustrated. It is found that the slug is initiated by a deterministic orocess with reolenishmem and deoletion of liquid near the inlet for the superficial gas velocity USG〈3.0m·s^-1 and by a stochastic process with wave coalescence along the pipe for USG〉3.0m·s^-1.The evolution of the slugs is strongly attected by superhclal gas and liquid veloclties for USG〈3.0m·s^-1 but weakly affected by the superficial gas velocity for USG〉3.0 m·s . The suppression of pressure oscillation at the pipe inlet significantly delays the onset of slugging, with slugs forming postponed further downstream. The slug frequency at the outlet is, however, not affected by the variation in the pressure oscillation.