CFD MODELLING OF PARTIALLY BAFFLED AGITATED VESSELS WITH FREE SURFACES

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CFD MODELLING OF PARTIALLY BAFFLED

AGITATED VESSELS WITH FREE SURFACES

Jean-Philippe Torré, David Fletcher, Thierry Lasuye, Catherine Xuereb

To cite this version:

Jean-Philippe Torré, David Fletcher, Thierry Lasuye, Catherine Xuereb. CFD MODELLING OF

PARTIALLY BAFFLED AGITATED VESSELS WITH FREE SURFACES. Fifth International Conf.

on CFD in the Process Industries, CSIRO, Dec 2006, Melbourne, Australia. pp.1-6. �hal-00566299�

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CFD MODELLING OF PARTIALLY BAFFLED AGITATED VESSELS

WITH FREE SURFACES

Jean-Philippe Torré 1, David F. Fletcher 2, Thierry Lasuye 3, Catherine Xuereb 1

1 _{Laboratoire de Génie Chimique CNRS UMR 5503, 5 rue Paulin Talabot, 31106 Toulouse, France.} 2_{School of Chemical and Biomolecular Engineering, The University of Sydney, NSW 2006, Australia}

3_{LVM Quality and Innovation Department, Usine de Mazingarbe,}

Chemin des Soldats, 62160 Bully Les Mines, France

ABSTRACT !" # $ % ! % INTRODUCTION & ' ( % % ( ' ) ( % * % ( ) * ( ) + ) , - ,../00 ) ) 1 ! ( ' 2 $ ,..30 ) 1 ' % ' 4 5 ,.670 ) ! " % % ,"2 0 4 ,./ 0 8 ,9:: 0 8'1 "2 ( $ ,9::30 1 ! + %+ ,' $ ,9::3 00 ! ' $ ,9::3 0 % ' % ' !" ' ( ( ' ( ' ' !"

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9 EXPERIMENTAL APPARATUS ' ) ( % % ! !" ' ( ) ; ' ; ' <,0 =,0 =,0 ' ! " , !"0 ( ' !" ' * ,.. 0 > 8 ,..30 ? ,.. 0 & ,9:: 0 @ ' :. 8 " ' ) ' A7: & ) 73 - 99 . * 93: 4 B * 7/ * ) . * θ 7C * A69 - - .:: 4 - 9 - - A3 - ) - 96 D -’ B/7 6:: < ' 1 %- & ? , E < 767 E7/A & & * µ F F 9:µ 0 * & 4 <G*? 7B9 , 0 * :: ) ' ) ,> " ! ! 0 B63H :9A I ' ( 4 ) D 4 )) 7: E 9 ! :/6 @ ) * 77: * ) ; ' ( B ; ; ( ' ; ' ) ; 3A B9 7:J ' @ 7 : B9HB9 I ' ' % * % % ! .3: ' ) ( + /: ; ),997

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B 0 ' @ G : @ ) @ ! @ @ * ( G K 3BB ' G K3:. 37/ CFD MODELLING 4 ) *48G8% L :: ' 97C %) 8 * + % + ! ( )%M ' ( 1 * 4 8 ) ( , K :AA0 B ' ( ' $ ,9::3 0 ' 9:/::: 9B:::: ' ; * % , 0 % ' ( ; ' ( 6:: :: ( ' % *48G8 L :: 9C % : % ' ; % & 1 ,& 1 0 ' ( ' ,G K 9:: A:: 3:: 0 K:± 67 ± 7: RESULTS

Single phase simulations

9 % ' F: N: ' N: <! 1 <G K9:: = <G KA:: = <G K3:: ,0 K:=,0 K67 =,0 K 7: * ( :%A ,4 F 70 ,4 N 70 :F4 F 7 ( % ) 7 F 4 F 7 K : K 67 K 7: ' ' 0 0.1 0.2 0.3 0.4 0.5 0 5 10 15 20 25 30 35 Agitator rotations U ( m /s ) 0.2 0.3 0.4 0.5 0.6 0 5 10 15 20 25 30 35 Agitator rotations U ( m /s ) 0.1 0.2 0.3 0.4 0.5 0.6 0 5 10 15 20 25 30 35 Agitator rotations U ( m /s )

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A 8 % ,880 , F :%A₀ , :%A :%B0 9:: * B,0 4 K: % < ' <,0 G K9:: K67 =,0 G K9:: K 7: ' :: B 88 ; ) ) ! ' , '0 , 7 F 4 F B70 ' A ( :6B ; B9 ; ' ( 33 ; :: 1 & * 7 : % ! ) ' ' <* % % ,4 K :0 4 K A 3 9 <,0 =,0

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7 < ! ( : % 9/ B: ' ( 9 ' ( ' % ' !" 3 ' " " G K 9:: ' !" 2 3 ' ' 99 B: ! ? ' + ) F67 6 % :: 9:: ' % % ' % ) @ < !" <,0 ± :: 7 E=,0 ± ::9 E

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

<,0 4 K ::1 & 4 K 9 " K B3 E=,0 4 K9::1 & 4 K : " K9 69 E