Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying

A detached eddy simulation (DES) and a k-ε-based Reynolds-averaged Navier–Stokes (RANS) calculation on the co-current spray drying chamber is presented. The {DES} used here is based on the Spalart–Allmaras (SA) turbulence model, whereas the standard k-ε (SKE) was considered here for comparison purpo...

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Main Authors:	Jolius, Gimbun, Noor Intan Shafinas, Muhammad, Law, Woon Phui
Format:	Article
Language:	English
Published:	Elsevier Ltd 2015
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/1/fkksa-2015-jolius-Unsteady%20RANS%20and%20Detached%20Eddy%20Simulation.pdf

id	ump-13046
recordtype	eprints
spelling	ump-130462019-10-03T08:10:15Z http://umpir.ump.edu.my/id/eprint/13046/ Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying Jolius, Gimbun Noor Intan Shafinas, Muhammad Law, Woon Phui TP Chemical technology A detached eddy simulation (DES) and a k-ε-based Reynolds-averaged Navier–Stokes (RANS) calculation on the co-current spray drying chamber is presented. The {DES} used here is based on the Spalart–Allmaras (SA) turbulence model, whereas the standard k-ε (SKE) was considered here for comparison purposes. Predictions of the mean axial velocity, temperature and humidity profile have been evaluated and compared with experimental measurements. The effects of the turbulence model on the predictions of the mean axial velocity, temperature and the humidity profile are most noticeable in the (highly anisotropic) spraying region. The findings suggest that {DES} provide a more accurate prediction (with error less than 5) of the flow field in a spray drying chamber compared with RANS-based k-ε models. The {DES} simulation also confirmed the presence of anisotropic turbulent flow in the spray dryer from the analysis of the velocity component fluctuations and turbulent structure as illustrated by the Q-criterion. Elsevier Ltd 2015 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/13046/1/fkksa-2015-jolius-Unsteady%20RANS%20and%20Detached%20Eddy%20Simulation.pdf Jolius, Gimbun and Noor Intan Shafinas, Muhammad and Law, Woon Phui (2015) Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying. Chinese Journal of Chemical Engineering, 23 (9). 1421 - 1428. ISSN 1004-9541 http://dx.doi.org/10.1016/j.cjche.2015.05.007 DOI: 10.1016/j.cjche.2015.05.007
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Jolius, Gimbun Noor Intan Shafinas, Muhammad Law, Woon Phui Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
description	A detached eddy simulation (DES) and a k-ε-based Reynolds-averaged Navier–Stokes (RANS) calculation on the co-current spray drying chamber is presented. The {DES} used here is based on the Spalart–Allmaras (SA) turbulence model, whereas the standard k-ε (SKE) was considered here for comparison purposes. Predictions of the mean axial velocity, temperature and humidity profile have been evaluated and compared with experimental measurements. The effects of the turbulence model on the predictions of the mean axial velocity, temperature and the humidity profile are most noticeable in the (highly anisotropic) spraying region. The findings suggest that {DES} provide a more accurate prediction (with error less than 5) of the flow field in a spray drying chamber compared with RANS-based k-ε models. The {DES} simulation also confirmed the presence of anisotropic turbulent flow in the spray dryer from the analysis of the velocity component fluctuations and turbulent structure as illustrated by the Q-criterion.
format	Article
author	Jolius, Gimbun Noor Intan Shafinas, Muhammad Law, Woon Phui
author_facet	Jolius, Gimbun Noor Intan Shafinas, Muhammad Law, Woon Phui
author_sort	Jolius, Gimbun
title	Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
title_short	Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
title_full	Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
title_fullStr	Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
title_full_unstemmed	Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying
title_sort	unsteady rans and detached eddy simulation of the multiphase flow in a co-current spray drying
publisher	Elsevier Ltd
publishDate	2015
url	http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/ http://umpir.ump.edu.my/id/eprint/13046/1/fkksa-2015-jolius-Unsteady%20RANS%20and%20Detached%20Eddy%20Simulation.pdf
first_indexed	2023-09-18T22:15:13Z
last_indexed	2023-09-18T22:15:13Z
_version_	1777415291476639744

Unsteady RANS and Detached Eddy Simulation of the Multiphase Flow in a Co-Current Spray Drying

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