Multiphase Science and Technology A Quarterly

ISSN for PRINT: 0276-1459

For Online Access

Best Paper Award Selection - Editorial Board Site

1987, Volume3

Issue 1-4

508 pages

Issue price - $560.00

Geoffrey F. Hewitt
Department of Chemical Engineering & Chemical Technology, Imperial College of Science, Technology & Medicine, Prince Consort Road, London SW7 2BY UK

Studies of the nature of the flow development are performed for air-water vertical annular flow. Two forms of liquid injector (porous wall and central axial jet injectors, respectively) are employed in the experiments. Their effects on development of flow parameters (e.g. entrained fraction, film thickness and pressure gradient) are further analysed and compared with the published correlations. Poor agreement is observed which is ascribed to the difficulty in modelling the development of the interfacial structure, in particular the disturbance waves and the entrained droplets.

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