The effective interfacial area in cocurrent gas-liquid downflow through packed beds is analysed taking into consideration the specific surface of the packing and the inter-dispersion of the phases. Predictive equations valid for low and high interaction regimes are developed based on the experimental data of the present study, and are satisfactorily compared with the data of the earlier investigations. © 1991 Springer-Verlag.

G. S. Venkata Ratnam

Y. B.G. Varma

article

gas flow

nonhuman

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Effective interfacial area in gas-liquid cocurrent downflow through packed beds

Bioprocess Engineering

Interfacial area in cocurrent gas-liquid downflow through packed beds is correlated taking into consideration the physical properties of the fluids and the power dissipation in the system. The correlation is tested with the experimental data covering a wide range in system variables including low and high porosity packings, the flow rates of the phases and their physical properties. © 1994 Springer-Verlag.

A correlation for interfacial area in co-current gas-liquid downflow through packed beds

Flow pattern was visually observed for non‐foaming and foaming Newtonian and non‐Newtonian liquids under concurrent downflow with air in packed beds using different configurations of column geometry and packins. Flow maps delineating the different flow regions were presented based on the present study as well as that of earlier investigations. The total and dynamic liquid saturation were experimentally measured and correlations were presented in terms of (i) the Lockhart‐Martinelli parameter, χ, and (ii) the flow variables. Copyright © 1988 Canadian Society for Chemical Engineering

The Canadian Journal of Chemical Engineering

Flow pattern of the phases and liquid saturation in gas‐liquid concurrent downflow through packed beds

Two‐phase pressure drop and dynamic and total liquid saturation are experimentally determined for air‐water system under cocurrent downflow through packed beds using packing differing widely in geometry. The experimental data of the present study as well as that available in literature is satisfactorily correlated in terms of: (a) Lockhart‐Martinelli parameters; and (b) the Reynolds numbers defined for the respective phases and the bed porosity, taking into account the flow behavior of the phases through the packed bed. Copyright © 1983 American Institute of Chemical Engineers

Journal	Data powered by TypesetBioprocess Engineering
Publisher	Data powered by TypesetSpringer-Verlag
ISSN	0178515X
Open Access	No