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Title: Comparison of single-phase and two-phase flow dynamics in the HLTP for microalgae culture
Authors: Ujjwal Kumar Deb
Kittisak Chayantrakom
Yongwimon Lenbury
Mahidol University
Keywords: Computer Science;Mathematics
Issue Date: 1-Dec-2012
Citation: International Journal of Mathematics and Computers in Simulation. Vol.6, No.5 (2012), 496-503
Abstract: This paper aims to show dynamic behavior of microalgae suspension in a Horizontal Loop Tubular Photobioreactor (HLTP). Two models of a single-phase flow and a two-phase flow have been proposed taking into account the light irradiance. The governing equations describing a single-phase flow are the continuity equation and the Navier-Stokes equation. The viscosity of the microalgae suspension is a function of microalgae cell concentration which varies in time. Using the governing equations of a single-phase flow together with the Cahn-Hiliard mass conservation equation, we can describe the dynamic behavior of a two-phase flow. The results obtained from both models are compared. It is noted that both results are significantly different. In the two-phase flow model, the mass transfer rate and the shear rate are higher than those obtained from the single-phase model.
ISSN: 19980159
Appears in Collections:Scopus 2011-2015

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