Effect of gas expansion on slug length in long pipelines

Y. Taitel*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


One of the important parameters in slug flow is the length of the liquid slug. Slug length is important in determining the average pressure drop as well as fluctuations in the pressure. Moreover, knowledge of the length of the slugs leaving long pipelines is crucial for the design of slug catchers. For short pipelines, the slug length is determined by the entrance phenomenon and by the stability of the slugs. For long pipelines the situation is not entirely clear. Long slugs may be formed due to terrain slugging. In this work, it is shown that long slugs can also be formed due to the decrease in pressure in the downstream direction.

Original languageEnglish
Pages (from-to)629-637
Number of pages9
JournalInternational Journal of Multiphase Flow
Issue number5
StatePublished - 1987


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