Numerical study of wake effect on rough wall boundary layer

• Autorzy: Elsner W. , Warzecha P.
• Konferencja: International Symposium on Compressor and Turbine Flow Systems - Theory and Application Areas "SYMKOM" (10 ; 26-28.10.2011 ; Łódź, Polska)
• Języki publikacji: EN

Abstrakty

EN

The paper deals with the problem of wakes effect and surface roughness, which influences the performance and flow of axial turbine and compressor stages. The accurate and reliable prediction of both effects are of great interest of designers. The paper discusses the results of verification of boundary layer modeling approach, which rely on a γ - Re θt model proposed by Menter et al. (2004) extended by laminar-turbulent transition correlations proposed by Piotrowski et al. (2008) and Stripf et al. (2008) correlations, which take into account the effects of surface roughness.

Słowa kluczowe

EN

transition modeling; wake effect; surface roughness; boundary layer

PL

modelowanie transformacji; chropowatość powierzchni; warstwa przyścienna

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2011
• Tom: Vol. 15, nr 3
• Strony: 227--236
• Opis fizyczny: Bibliogr. 14 poz.

Twórcy

autor

Elsner W.

autor

Warzecha P.

• Częstochowa University of Technology

Bibliografia

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• [2] Boynton, J .L., Tabibzadeh, R. and Hudson, S.T.: Investigation of Rotor Blade Roughness Effects on Turbine Performance, ASME J. of Turbomachinery, Vol. 115, pp. 614-620, 1993.
• [3] Coleman, H.W., Moffat, R.J. and Kays, W.M.: The accelerated fully rough turbulent boundary layer, J. Fluid Mech., Vol. 82, part 3, pp. 507-528, 1977.
• [4] Elsner, W. and Warzecha, P.: Modeling of rough wall boundary layers with intermittency transport model, submitted to TASK Quarterly, Vol. 14, No. 3, pp. 271-282, 2010.
• [5] Healzer, J.M.: The Turbulent Boundary Layer on a Rough, Porous Plate: Experimental Heat transfer with Uniform Blowing, Dep. of Mech. Eng. Stanford University, report HMT-18, 1974.
• [6] Hellsten, A. and Laine, S.: Extension of the k-w SST turbulence model for flows over rough walls, AIAA Journal, pp. 97-3577, 1997.
• [7] Menter, F.R., Langtry, R.B., Likki, S.R., Suzen, Y.B., Huang, P.G. and Volker, S.: A correlation - based transition model using local variables P.I - Model formation, J. Turbomachinery, Vol. 128, pp. 413-422, 2006.
• [8] Mills, A. and Hang, X.: On the skin friction coefficient for a fully rough fiat plate, ASME J. of Fluids Engineering, pp. 364-365, 1983.
• [9] Montomoli, F., Hodson, H. and Haselbach, F.: Effect of Roughness and Unsteadiness on the Performance of a New LPT Blade at Low Reynolds Numbers, ASME J. of Turbomachinery, Vol. 132, pp. 18_1-031018_9, 2010.
• [10] Piotrowski, W., EIsner, W. and Drobniak, S.: Transition Prediction On Turbine Blade Profile With Intermittency Transport Equation, ASME J. of Turbomachinery, Vol. 132, pp. 011020_1-011020_10, 2010.
• [11] Stripf, M.: Einfluss der Oberflaechenrauigkeit auf die transitionale Grenzschicht an Gasturbinenschaufeln, PhD thesis, Universitaet Karlsruhe, 2007.
• [12] Stripf, M., Schulz, A., Bauer, H.-J. and Wittig, S.: Extended models for transitional rough wall boundary layers with heat transfer - part II: model validation and benchmarking, ASME J. of Turbomachinery, Vol. 131, pp. 031017-1-031017_11, 2009.
• [13] Waigh, D.R. and Kind, R.J.: Improved Aerodynamic Characterization of Regular Three-Dimensional Roughness, AIAA Journal, Vol. 36, No. 6, pp. 1117-1119, 1998.
• [14] Zarzycki, R. and Elsner, W.: The effect of wake parameters on the transitional boundary layer on turbine blade, IMechE, Part A, J. Power and Energy, Vol. 219, pp. 471-480, 2005.