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Gas Hold-Up and Liquid Circulation Rate in Two-Phase Airlifts: Examinations of Pressure Drop Models

Jordan Hristov(1*)

(1) University of Chemical Technology and Metallurgy, 8 “KLIMENT OHRIDSKY”, Bulgaria
(*) Corresponding author


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Abstract


Most equations for the liquid circulation rate in ALR have been derived in several different ways. The overall hydrostatic balance model has been discussed. Several pressure drop models and gas holdup –liquid velocity closures have been compared and limitations explored.
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Keywords


Airlift; Pressure Drop Models; Liquid Circulations; Numerical Simulations

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References


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