Results 11 to 20 of about 173,945 (302)
Numerical Simulation of Hold-up and Velocity Profiles for Two-phase Developed Flows in a Column
Chemical Engineering Transactions, 2021 The purpose of this article is to simulate and analyse two-phase fluid dynamics in a bubble column, through two different numerical approaches, in a fast and effective way, to minimize project costs and increase productivity.
Pâmela Palhares, Reginaldo Guirardello
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Rudarsko-geološko-naftni Zbornik, 2022 The effect of initial bubble diameter on the bubble motion pattern in a flotation column has been studied by the twophase computational fluid dynamics (CFD) method. The two-phase simulations have been done using the volume of a fluid (VOF) model in ANSYS®
Narjes Khorasanizadeh +2 more
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Journal of Chemical and Petroleum Engineering, 2015 Bubble columns are gas- liquid contactors that are widely used in chemical and bio- chemical industries. High mixing that result in high heat and mass transfer rates are amongst their advantages.
Rahbar Rahimi, Somayeh Hajghani
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Axial and Radial Investigation of Hydrodynamics in a Bubble Column;Influence of Fluids Flow Rates and Sparger Type [PDF]
, 2006 A detailed investigation of local hydrodynamics in a pilot plant bubble column has been performed using various techniques, exploring both axial and radial variations of the gas hold-up, bubble average diameter and frequency, surface area.
Billet, Anne-Marie +2 more
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Bubble properties of heterogeneous bubbly flows in a square bubble column [PDF]
AIP Conference Proceedings, 2010 The present work focuses on the measurements of bubble properties in heterogeneous bubbly flows in a square bubble column. A four-point optical fibre probe was used for this purpose. The accuracy and intrusive effect of the optical probe was investigated first.
W. Bai +7 more
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Development of modeling and simulation of bubble‐liquid hydrodynamics in bubble column
Energy Science & Engineering, 2020 In the present work, the investigation on strategies to alleviate the cell death in terms of bubble‐liquid two‐phase hydrodynamics in bubble column was performed using the modeling and numerical simulation approaches. A multifluid bubble‐liquid turbulent
Yang Liu, Li Zhang, Lixing Zhou
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Chemical Engineering Transactions, 2013 Bubble column reactors are frequently applied to chemical plants and other industrial plants. To elucidate the practical properties of the bubble columns, the heat and mass transfer phenomena in consideration of the average bubble diameters and average ...
Y. Mizushima, T. Saito
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Bubble transport Mechanism: Indications for a gas bubble-mediated inoculation of benthic methanothrophs into the water column [PDF]
, 2015 Highlights • A new bentho-pelagic transport mechanism of microorganisms is hypothesized • A bubble transport hypothesis was tested using a new gas bubble-collecting device • Bubble-mediated transport rate of methanotrophs was quantified at ...
Fram, Andreas +7 more
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Modelling ultrasonic sensor for gas bubble profiles characterization of chemical column [PDF]
, 2013 In this paper, we present a modelling and experimental work to characterize gas bubble profiles in chemical column using a pair of ultrasonic sensor. The gas bubble profiles from 2.90 mm to 7.50 mm diameter are of interest in this study.
Abdul Rahim, Herlina +5 more
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Deposition and transport of graphene oxide in saturated and unsaturated porous media [PDF]
, 2013 In this work, sand and bubble column experiments were conducted to explore the deposition mechanisms of graphene oxide (GO) particles in porous media with various combinations of moisture content and ionic strength.
Gao, Bin +6 more
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