THE STUDY OF DYNAMIC SLUG FLOW CHARACTERISTICS USING DIGITAL IMAGE-ANALYSIS - PART II - MODELING RESULTS

A definition is given for a Froude number in the liquid film ahead of the slug and it is seen that slug characteristics are strongly influen ced by the Froude number. The mechanisms in the mixing zone of the slu g are described in detail and are shown to be a function of the film F roude number. It is shown that the Hubbard and Dukler model for mixing length is inadequate. A new expression is proposed for the slug mixin g length as a function of the film Froude number.