Large eddy simulation of the Gas-Liquid flow in a square cross-sectioned bubble column

N.G. Deen, T. Solberg, B.H. Hjertager

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

226 Citaties (Scopus)

Uittreksel

In this work the use of large eddy simulations (LES) in numerical simulations of the gas–liquid flow in bubble columns is studied. The Euler–Euler approach is used to describe the equations of motion of the two-phase flow. It is found that, when the drag, lift and virtual mass forces are used, the transient behaviour that was observed in experiments can be captured. Good quantitative agreement with experimental data is obtained both for the mean velocities and the fluctuating velocities. The LES shows better agreement with the experimental data than simulations using the k–var epsilon model.
TaalEngels
Pagina's6341-6349
TijdschriftChemical Engineering Science
Volume56
Nummer van het tijdschrift21-22
DOI's
StatusGepubliceerd - 2001

Vingerafdruk

Bubble columns
Large eddy simulation
Gases
Liquids
Two phase flow
Equations of motion
Drag
Computer simulation
Experiments

Citeer dit

Deen, N.G. ; Solberg, T. ; Hjertager, B.H./ Large eddy simulation of the Gas-Liquid flow in a square cross-sectioned bubble column. In: Chemical Engineering Science. 2001 ; Vol. 56, Nr. 21-22. blz. 6341-6349
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Large eddy simulation of the Gas-Liquid flow in a square cross-sectioned bubble column. / Deen, N.G.; Solberg, T.; Hjertager, B.H.

In: Chemical Engineering Science, Vol. 56, Nr. 21-22, 2001, blz. 6341-6349.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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N2 - In this work the use of large eddy simulations (LES) in numerical simulations of the gas–liquid flow in bubble columns is studied. The Euler–Euler approach is used to describe the equations of motion of the two-phase flow. It is found that, when the drag, lift and virtual mass forces are used, the transient behaviour that was observed in experiments can be captured. Good quantitative agreement with experimental data is obtained both for the mean velocities and the fluctuating velocities. The LES shows better agreement with the experimental data than simulations using the k–var epsilon model.

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