Detsches Zentrm für Lft- nd Ramfahrt e.v. FLISTCOM Fld Strctre Interacton for Combston Systems ( MRTN-CT-003-504183) Combston Instablty Effects and Aero-Thermal Near-Wall Response Agenda 1-Months Progress Meetng DLR-Insttte of Combston Technology, Janary 005 D. Panara, R. Dannecer, B.Noll Insttt für Verbrennngstechn DLR Detsches Zentrm für Lft- nd Ramfahrt e.v. Mtgled der Herrmann von Helmholtz-Gemenschaft Detscher Forschngszentren HGF Stttgart Insttt für Verbrennngstechn - Insttte of Combston Technology 1
Detsches Zentrm für Lft- nd Ramfahrt e.v. Danele Panara, Actvty 003-004 Janary 003 -nversty of Florence, Mechancal Engneerng Dploma Thess ttle: Fnflo and Tascflow a comparson between two dfferent Naver-Stoes CFD codes n strong crvatre applcatons Spervsors: Prof. T. Sonen ( Helsn nversty of Tech.) Prof. F. Martell and P. Adam ( nversty of Florence ) Jan-Aprl 003 -Helsn nversty of Technology, Researcher Thess Pblcaton, Helsn nversty Laboratory Report. Jne-Jly Jly-Sept 003 -Tenomeccanca s.r.l., Italy, Control and Assemblng 003 -Novo Pgnone GE ol & Gas, Italy, Qalty Engneer Sept 003-Jne 004 -Von Karman Insttte for Fld Dynamc Dploma Corse, Department of Trbomachnery and Proplson Proect ttle: Qas-3D nsteady Nmercal Investgaton of Clocng Effects n 1&1/ Stage Transonc Trbne Spervsor: Prof. R. Denos Insttt für Verbrennngstechn - Insttte of Combston Technology
Detsches Zentrm für Lft- nd Ramfahrt e.v. Overvew Lteratre Research on Plsatng Flow Epermental Evdences Thermal Bondary Layer Vscos Bondary Layer Nmercal Models Tested ISAAC code Insttt für Verbrennngstechn - Insttte of Combston Technology 3
Oscllatng Flow: ( t) m sn( ωt) Detsches Zentrm für Lft- nd Ramfahrt e.v. Near Wall Aerodynamc Response n Plsatng Ppe Flows Sorce: C.R.Lodahl, et al.: J.Fld Mech., Vol.373, 1998 Plsatng Flow: ( t) V m sn( ωt) Re Re l l s s 400 Lamnar 800 Trblent 0l Re l s υ s Sorce: A.Scott,. Pomell : Physcs of Flds,13(5), 001 Re w a a m υ mt π R δ D l s Re c l s VD υ υ ω Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC Insttt für Verbrennngstechn - Insttte of Combston Technology 4
Detsches Zentrm für Lft- nd Ramfahrt e.v. Trblent Flows, Characterstc Parameters Oscllatng Trblent Flow: ( t) m sn( ωt) r r r r r r r r (, t) ( ) (, t) (, t) Plsatng Trblent Flow: ( t) V m sn( ωt) ω ω 0.001 0.001 ω ω ωυ τ τ 0.05 τ w ρ a c V 0.05Intermedate Freqency Qas-Lamnar m Sorce: M.Gündogd, M.Carpnlogl : JSME nt. Jornal, 4(3), 1999 Qas Steady Flow Mean parameters lttle affected Dscrepancy close to brstng freqency Effects n the Stoe-layers Phase shft of _ c p to 45 Sorce: C.R.Lodahl, et al.: J.Fld Mech., Vol.373, 1998 τ τ c τ w T 1 τ dt T 0 Mean parameters affected _/_ c p to 4 Strong nsteady effects Re-lamnarzaton can occr Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC Insttt für Verbrennngstechn - Insttte of Combston Technology 5
Detsches Zentrm für Lft- nd Ramfahrt e.v. Near Wall Thermal Response Lacng of epermental data for crrent domnated flow Contradctory reslts n both lamnar and trblent flow condtons abot the effect of oscllatons on mean flow qanttes Measred a phase shft p to 180 º for the wall heat transfer In low-ampltde plsatng flows (sorce Valeva 00) Freqency range 0 to 1000Hz Measred heat transfer ncreases In wave domnated plsatng flows (sorce Dec, Keller and Arpac,199) Freqency range 100Hz Measred heat transfer ncreases p to a factor of 5 over steady flow The Reynolds analogy proved not to hold Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC Insttt für Verbrennngstechn - Insttte of Combston Technology 6
7 Insttt für Verbrennngstechn - Insttte of Combston Technology Detsches Zentrm für Lft- nd Ramfahrt e.v. Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC ν σ ν ν σ ν ν µ µ 1 1 f C D E f c f c t t t t t P P y D y w w ν ν Pressre-stran Moleclar vscosty Non zero vale of at the wall P for 3 for 0 δ t δ δ υ 3 3 Low-Reynolds model coeffcents Correcton for non local sotropy Fll Reynolds model Crtcal closre Pressre-Stran term (flctatng pressre) Two-eqaton model Inaccrate formlaton for plsatng flows Accrate formlatons for crvatre and rotaton Trblence Modelng Sorce: Fan, Lashmnarayana and Barnett, AIAA J. Oct. 1993
Detsches Zentrm für Lft- nd Ramfahrt e.v. Strategy of Investgaton Naver-Stoes CFD Code: ISAAC Developed by Morrson, J. H for a NASA contract Now freely avalable from www.sorceforge.com Strctred Mltgrd nsteady Eplct Rnge-Ktta Implct Psedo Tme Steppng ( p to II order) Implct: AF3F: Dagonalzed Spatally Splt Appro. Factorzaton Compressble: Roe Fl-Splttng Problems Code applcablty to Incompressble test cases Proper etenson of B.C. to oscllatng flows Hgh Trblence Capabltes K-_ Models: Low-Reynolds SAA : Spezale,Abd,Anderson ZSGS : Zhang,So,Gats,Spezale ZSSL : Zhang,So,Spezale,La Hgh-Reynolds HIGH RE: standard RNG : Renormalzaton Grop ADRM: Ansotropc Dsspaton Rate K-_ Models: Low-Reynolds K OMEGA: Wlco Reynolds Stress Model Eplct Algebrac Reynolds Stress Model Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC Insttt für Verbrennngstechn - Insttte of Combston Technology 8
Detsches Zentrm für Lft- nd Ramfahrt e.v. Conclsons An overvew on epermental evdences on plsatng flow has been presented The necessty of a better nderstandng of the aero-thermal near-wall flow behavor has been n deep analyzed An etensve bblography on test cases and proposed models for nsteady flows have been acqred. The ISAAC code has been tested for the ftre nvestgatons The lmtatons of the code have been addressed Possble soltons are n progress. Insttt für Verbrennngstechn - Insttte of Combston Technology 9
Detsches Zentrm für Lft- nd Ramfahrt e.v. Qestons? Insttt für Verbrennngstechn - Insttte of Combston Technology 10
Detsches Zentrm für Lft- nd Ramfahrt e.v. Etras Insttt für Verbrennngstechn - Insttte of Combston Technology 11
Detsches Zentrm für Lft- nd Ramfahrt e.v. Trblence Modelng Algebrac eddy vscosty models Inaccrate: Important role of transport of trblent qanttes Two eqatons hgh-reynolds model Wall fnctons Inaccrate: Steady flow wall fncton not sted Two eqatons low-reynolds model Inaccrate: Eddy vscosty sotropy assmpton Fll Reynolds stress models Inaccrate: Insffcent near wall treatment Two eqatons low Reynolds model nsteady near-wall correctons Sorce: Fan, Lashmnarayana and Barnett, AIAA J. Oct. 1993 Vscos Bondary Layer Thermal Bondary Layer Nmercal Models ISAAC Insttt für Verbrennngstechn - Insttte of Combston Technology 1
Detsches Zentrm für Lft- nd Ramfahrt e.v. Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Insttt für Verbrennngstechn - Insttte of Combston Technology 13
Detsches Zentrm für Lft- nd Ramfahrt e.v. References: AERODYNAMICS General overvew aerodynamcs: Low ampltde Gndogd and Carpnlogl,JSME,vol4,n3,1999 Scott and Pomell,physcs of fld,vol13,n5,001 Low and Hgh ampltde Lodahl and Smer and Fredsoe, J.Fld Mech,vol373,1998 Test case also (ppe water) Koehler and Patanar and Ibele,NASA-CR187177 Test cases Coste and Hodevlle (flat plate ar) Tard and Bnder and Blacwelder (ppe water) Ideas for nsteady trblence models: Fan and Lashmnarayana,AIAA,vol31,1993 Manbad and L, J.Fld Mech,vol38,199 Hanalc and Stosc Rod and Scheerer,J.Flds Eng.,vol108,1986 Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Insttt für Verbrennngstechn - Insttte of Combston Technology 14
Detsches Zentrm für Lft- nd Ramfahrt e.v. References: HEAT TRANSFER Low ampltde Valeva,Hgh Temperatre,vol37,n5,1999 Test case also ( oscllatng, compressble ncompressble) Ideas for nsteady trblence model Ideas for nsteady Energy eqaton Hgh ampltde Dec and Keller,Int.J.Heat Mass Transfer,vol35,n9,199 Test case also (oscllatng combstor tal ppe) Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Insttt für Verbrennngstechn - Insttte of Combston Technology 15
Detsches Zentrm für Lft- nd Ramfahrt e.v. Morrson, J. H., Fl Dfference Splt Scheme for Trblent Transport Eqatons, AIAA Paper 90-551, October 1990. Morrson, J. H., A Compressble Naver-Stoes Solver wth Two-Eqaton and Reynolds Stress Trblence Closre Models, NASA CR-4440, May 199. Morrson, J. H. and Korte, J. J., Implementaton of Vgneron's Streamwse Pressre Gradent Appromaton n Parabolzed Naver-Stoes Eqatons, AIAA Jornal, Vol. 30, No. 1, November 199. Morrson, J. H., Gats, T. B., Sommer, T. P., Zhang, H. S., and So, R. M. C., Evalaton of a Near-Wall Trblent Closre Model n Predctng Compressble Ramp Flows, Near-Wall Trblent Flows, Eds. R. M. C. So, C. G. Spezale, and B. E. Lander, Elsever Scence Pblshers B.V., 1993. Chenalt, C. F., Development and Implementaton of a Scramet Cycle Analyss Code Wth a Fnte-Rate-Chemstry Combston Model For se on A Personal Compter, Masters Thess, Ar Force Insttte of Technology, December 1993. AFIT/GAE/ENY/93D-7 Abd, R., Gats, T. B., and Morrson, J. H., Assessment of Pressre-Stran Models n Predctng Compressble, Trblent Ramp Flows, AIAA Jornal, Vol. 33, No. 1, Janary 1995. Vahala, G., Vahala, L., Morrson, J., Krashennnov, S., and Sgmar, D., Effects of Netral Three-Dmensonal Trblence n the Gas Blanet Regme for Dvertors, Physcs Letters A, Vol. 05, 1995, pp. 66-73. Vahala, G., Vahala, L., Morrson, J., Krashennnov, S., and Sgmar, D., Torodal Wall Heat Fl and Condctvty Profles De to Netral 3D Trblence n the Gas Blanet Regme for Dvertors, Contrb. Plasma Phys., Vol. 36, No. /3, 1996, pp. 304-308. Gats, T. B., Predcton of Arfol Characterstcs wth Hgher Order Trblence Models, NASA Techncal Memorandm 11046, Aprl, 1996. Abstract PDF Postscrpt Gats, T. B., Arfol Stall Predcton sng a Two-Eqaton and an Eplct Algebrac Stress Model, Advances n Trblence VI, Eds. Gavrlas, S., Machels, L., and Monewtz, P. A., Klwer Academc Pblshers, 1996. Rstorcell, J. R. and Morrson, J. H., The Favre-Reynolds Average Dstncton and a Consstent Gradent Transport Epresson for the Dsspaton, Physcs of Flds, Vol. 8, No. 9, September 1996. Abd, R., Morrson, J. H., Gats, T. B., and Spezale, C. G., Predcton of Aerodynamc Flows wth a New Eplct Algebrac Stress Model, AIAA Jornal, Vol. 34, No. 1, December 1996. Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Insttt für Verbrennngstechn - Insttte of Combston Technology 16
Detsches Zentrm für Lft- nd Ramfahrt e.v. Vahala, G., Vahala, L., Morrson, J., Krashennnov, S., and Sgmar, D., K-e Compressble 3D Netral Fld Trblence Modellng of the Effect of Torodal Cavtes on Flame-Front Propagaton n the Gas-Blanet Regme for Toama Dvertors, J. Plasma Physcs, Vol. 57, Part 1, 1997, pp. 155-173. Woodrff, S. L., Morrson, J. H., and Hssan, M. Y., Evalaton of Several Trblence Models n a Mltple- Element Arfol Comptaton, AIAA Paper 98-037, Janary 1998. Chenalt, C. F., Analyss of Trblence Models as Appled to Two- and Three-Dmensonal Inecton Flows, Ph.D. Dssertaton, Ar Force Insttte of Technology, March 1998. AFIT/DS/ENY/98M-01 Chenalt, C. F., Beran, P. S., and Bowerso, R. D. W., Second-Order Reynolds Stress Trblence Modelng of Three-Dmensonal Oblqe Spersonc Inecton, AIAA Paper 98-345, Jly 1998. Chenalt, C. F. and Beran, P. S., K-Epslon and Reynolds Stress Trblence Model Comparsons for Two- Dmensonal Inecton Flows, AIAA Jornal, Vol. 36, No. 8, pp. 1401-141, Agst 1998. Morrson, J. H., Nmercal Stdy of Trblence Model Predctons for the MD 30P/30N and the NHLP-D Three- Element Hghlft Confgratons, NASA CR-1998-08967, December 1998. Abstract PDF Postscrpt Chenalt, C. F., Beran, P. S., and Bowerso, R. D. W., Nmercal Investgaton of Spersonc Inecton sng a Reynolds-Stress Trblence Model, AIAA Jornal, Vol. 37, No. 10, October 1999. Woodrff, S. L., Sener, J. M., Hssan, M. Y., and Erlebacher, G., Evalaton of Trblence-Model Performance n Jet Flows, AIAA Jornal, Vol. 39, No. 1, December 001. Morrson, J. H., Panaras, A. G., Gats, T. B., and Georgantopolos, G. A., Analyss of Etensve Cross-Flow Separaton sng Hgher-Order RANS Closre Models, AIAA Paper 003-353, Jne 003. Abstract PDF Postscrpt Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Insttt für Verbrennngstechn - Insttte of Combston Technology 17
18 Insttt für Verbrennngstechn - Insttte of Combston Technology Detsches Zentrm für Lft- nd Ramfahrt e.v. Sstanable Energy Combston Instabltes Near-wall fld strctres Strategy of nvestgaton Dt D ν Π P Fll Reynolds Stress Eqaton p p Π ρ 1 υ P t Dt D Dt D ), ( ), ( ), ( t t t r r r r r