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Prediction of liquid height for onset of slug flow

Authors

  • Mahesh J. Vaze,

    1. Mechanical Engineering Department, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
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    • Research Scholar.

  • Jyotirmay Banerjee

    Corresponding author
    1. Mechanical Engineering Department, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
    • Mechanical Engineering Department, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India.
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Abstract

An experimental investigation is carried out to study the transition from stratified to slug flow and the development of slug flow. The variation of Lockhart–Martinelli parameter with the non-dimensional liquid height is established based on the experimental data. A correlation is developed for the liquid height as a function of superficial gas and liquid Reynolds number. The liquid height is observed to increase up to some level depending on the mass flow rate, beyond which there is a sudden jump in the height leading to the formation of slug. This critical liquid height is the limiting condition for the evolution of slug. Below the critical height a stable stratified flow is observed. The critical height for stability limit of stratified flow is established experimentally for various combinations of mass flow rates of the primary and secondary phases. © 2011 Canadian Society for Chemical Engineering

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