Modelling of test case particle-laden jet with NEPTUNE_CFD

Transcription

1 Modelln of es case arcle-laden e wh NEPTNE_CFD H. D. Le 1 J-M. Lacome 1 A. Vnes 1 B. Debray 1 B. Trcho 1 P. Fede 3 E. Clmen 3 1 INERIS Parc echnoloe ALATA B.P. FR Vernel-en-Halae nversé de Tolose ; INPT PS; IMFT Allée d Professer Camlle Sola Tolose 3 CNRS ; MR550 IMFT ; FR Tolose France Emal: hondc.le@mf.fr 14 h Worsho on Two-Phase Flow Predcons Seember 7 h -10 h 015

2 Olne I. Inrodcon 1. Thess cone. Tes case II. Theorecal model sed by NEPTNE_CFD 1. Governn eaons. Closre models III. Nmercal smlaon by NEPTNE_CFD 1. Geomery. Mesh and bondary condons 3. Nmercal resls IV. Conclsons

3 I. Inrodcon 3

4 Thess cone Thess sbec: Modelln of ressrzed e loaded wh nanoarcles. Radly ncrease of se of nanoechnoloy n ndsral rocess Alcaon n safey manaemen Collaboraon beween: INERIS : Ins Naonal de l Envronnemen Indsrel e des Rses IMFT : Ins de Mécane des Fldes de Tolose Accdenal confraon: leaae of conveyn e of nanoarcle Amosherc dserson model n he far feld CFD Sdy n he near feld Sorce erm Thess sared day : Janary 05h 015 4

5 Thess cone Phenomena nvolved n nanoarcle dserson: Addonal hyscal modelln of arclae e: Dra Inflence of arcles on fld rblence Collson beween arcles Gravy ec Brownan moon Alomeraon - Dealomeraon Nmercal smlaon ools crrenly sed: NEPTNE_CFD V.0 sored by CEA (Commssara à l Enere Aome) EDF (Elecrcé de France) IRSN (Ins de Radoroecon e de Sûreé Ncléare) and AREVA whch se Eler mlfld aroach RANS. Code_Sarne v4.0 develoed by EDF whch ses Eler Larane aroach RANS/LES. Thess aroach: Nmercal smlaon of mcroarcle dserson before nmercal smlaon of nanoarcle dserson Imlemenaon of modelln of Brownan moon and alomeraon n nmercal smlaon ools 5

6 Tes case Am of he es case: Evalaon of nmercal smlaon ool NEPTNE_CFD V.0. 4 flow confraons: Snle hase flow of as Two-hase flow wh 5 μm arcles Two-hase flow wh 70 μm arcles Two-hase flow wh bnary mre (5 μm arcles and 70 μm arcles) Avalable eermenal daa rovved by he Worsho Commee: Velocy of as and arclae hases a nozzle e and a cenre lne Velocy of arclae hase a aal osons of X/D=5 10 and 15 D: nozzle dameer [1] Hadnoo K. Jones E. N. Yrer C. Crs J. S INT J MLTIPHAS FLOW 31: Eermenal se from Hadnoo e al. 005[1] Re 8400 Nmercal smlaon doman 6

7 II. Theorecal models sed by NEPTNE_CFD 7

8 Balance eaons are solved for each hase: Mass balance Momenm balance [1] Balzer G.; Boëlle A. & Smonn O Proc. In. Sym. Enn. Fondaon nseady eleran mlfld aroach for as hase and arclae hase[1]: Connos hase: derved from local nsan conservaon eaons n snle-hase flow by densywehed averan (Favre averan) Parclae hase: derved n he frame of he nec heory of ranlar meda based on a sascal aroach sn a Probaly Densy Fncon (PDF) 0 I P I Momenm echane of as-arcles and arcles-arcles hases Need o be modelled! 8 Governn eaons hase arclae hase as : :

9 Closre models for momenm echane Momenm ransfer beween as and arclae hase [1] Dra model Relaaon me of arcles F F I V F r v d r C d Mean relave velocy of as-arcle V r Vd Wen and Y model[] for C d C d Re Re Re Re [1] Balzer G Powder Technol 113(3) []Wen C.Y. and Y Y.H Chem. En. Po. Sym

10 Closre models for momenm echane Momenm ransfer beween arcles [1] I m m 1 e H ( ) c 1 z c m m n ec ec 0.9 Coeffcen of reson For he es case Collson characersc me Parcle mean relave velocy a macon Parcle mean aaon 1 r c nd r r [1] Gordel C. Smonn O. Brner E In 6 In Conf. on crclan fldzed beds. [] Ln C. Savae S Aca Mech r Parcle mean relave velocy z H Model aromaon 1 ( z) Model arameer r z 3z 10

11 Fld rblence model[1] Inflence of arcles n fld rblence: wo-way coln r d F V V 1 C C 1 C 3 *Trblence creaed by wae of arclae hase s no consdered C C C C C Model consans [1]Elhobash S. E. & Abo Arab T. W Physcs of Flds ( ) 6(4) Reynolds ensor of as hase (Bossnes aromaon) 11 m m 3 Closre models for rblence

12 F col n K K col n K K Knec dffsvy Collsonal dffsvy Dffson of nec enery Knec enery ransor eaon [1] Prodcon by raden of he mean of velocy Ineracon wh as hase Dssaon by nelasc collson Aaon echane beween arcles [1]Boëlle A. Balzer G. Smonn O ASME FED Gas Sold Flow []Balzer G Powder Technoloy m m m m P 3 Granlar sress ensor [] col n Granlar vscosy n Granlar nec vscosy col Granlar collsonal vscosy P Granlar ressre Bl vscosy Closre models for rblence

13 3 1 1 F Transor eaon of correlaon fld arcle velocy flcaon[1] m m m m 3 1 Trblen vscosy Inflence of arcle on correlaon fld arcle velocy flcaon Dssaon Correlaon velocy flcaon as-arcles Trblen ransor by flcaon Prodcon by raden of he mean velocy of as and arclae hase [1]Boëlle A. Balzer G. Smonn O ASME FED Gas Sold Flow Closre models for rblence

14 III. Nmercal smlaon wh NEPTNE_CFD 14

15 1 m Geomery 0.47 m Geomery confraon Nozzle dameer Chamber es dmensons m 0.47 m 0.47 m 1 m m Gas roeres (ar) Densy Vscosy / m 1.18esace 1.85e-05 Pa.s 3 Parcles roeres (lass beads) Densy Dameers / m 500esace 5 μm and 70 μm 3 Parcle mass loadn Monoszed arcle 1 Bnary mre 0.5/class 15

16 Mesh 3D Srcred Mesh Nmber of cells : Mesh dmenson: 0.47 m 0.47 m 1 m y y z z mn ma mn ma mn ma 0.001m 0.05m 0.001m 0.05m 0.04m 0.1m Fron vew To vew Zoom a nle reon 16

17 Wall Bondary condons Mean Velocy: Gas hase: nerolaed from eermenal daa Parclae hases: nerolaed from eermenal daa Wall Inle Wall Mean aaon: -ε model 1 C z 1.5 l m l m 0. 03D 0.09 C z model 1 1 z (Tchen s hyohess) Free Ole 17

18 Bondary condons Parcle mass loadn for monodserse case m Ac 1 A c da c da c Volme fracon of arclae hase m m z z z For 5 μm arcles case and 70 μm arcles case For bnary mre case

19 Nmercal resls- Snle hase flow Radal rofls X/D=1 X/D=3 X/D=5 X/D=10 X/D=15 Relave ressre feld Velocy feld of as hase Aal rofl D: nozzle dameer Physcal me: s. Esablshed reme 19

20 Nmercal resls- Snle hase flow z: aal comonen of as velocy 0

21 Nmercal resls- Two-hase flow wh 5 μm arcles Radal rofles X/D=5 X/D=10 X/D=15 Aal rofle D: nozzle dameer Relave ressre feld Volme fracon feld of arclae hase Velocy feld of as hase Velocy feld of arclae hase 1 Physcal me: s. Esablshed reme

22 Nmercal resls- Two-hase flow wh 5 μm arcles Trbohoress henomenon volme fracon of arclae hase z: aal comonen of as velocy z: aal comonen of arclae velocy : radal comonen of arclae velocy

23 Nmercal resls- Two-hase flow wh 70 μm arcles Radal rofles X/D=5 X/D=10 X/D=15 Aal rofle D: nozzle dameer Relave ressre feld Volme fracon feld of arclae hase Velocy feld of as hase Velocy feld of arclae hase 3 Physcal me: s. Esablshed reme

24 Nmercal resls- Two-hase flow wh 70 μm arcles volme fracon of arclae hase z: aal comonen of as velocy z: aal comonen of arclae velocy : radal comonen of arclae velocy 4

25 Nmercal resls- Two-hase flow wh bnary mre Relave ressre feld Physcal me: s. Esablshed reme Volme fracon feld of 5 μm arclae hase Volme fracon feld of 70 μm arclae hase 5

26 Nmercal resls- Two-hase flow wh bnary mre Radal rofles X/D=5 X/D=10 X/D=15 Aal rofle D: nozzle dameer Velocy feld of as hase Physcal me: s. Esablshed reme Velocy feld of 5 μm arclae hase Velocy feld of 70 μm arclae hase 6

27 Nmercal resls- Two-hase flow wh bnary mre volme fracon of 5 μm arclae hase 3 volme fracon of 70 μm arclae hase 7

28 Nmercal resls- Two-hase flow wh bnary mre z: aal comonen of as velocy z: aal comonen of arclae velocy of 5 μm arcle : radal comonen of arclae velocy of 5 μm arcle z3: aal comonen of arclae velocy of 70 μm arcle 3: radal comonen of arclae velocy of 70 μm arcle 8

29 IV. Conclsons and ersecves Conclsons Good areemen beween nmercal smlaon and eermenal resls s obaned Some dfferences are manly observed for 70 μm arcle for monodserse and bnary mre cases. Oloo The nmercal smlaon wh Code_Sarne s on on. The modelln of brownan moon and alomeraon for nanoarcle wll be mlemened o nmercal ools Nene_CFD and/or Code_Sarne. Velocy of as hase 9 Velocy roeced on Eleren mesh of arclae hase.

30 Than yo for yor aenon! 30