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The paper discusses the effect of grid resolution on proper modelling of dissipation of the stator wake on its way through the rotor passage. Comparison is made between solutions, our own and available in the literature, of the stator/rotor interaction calculated using different RANS codes. The reference material consists of experimental data and those obtained with the aid of the vortex dynamics theory (VDT). The final conclusion of the study suggests grid resolution ranges that may produce wake dissipation patterns acceptable from the point of view of accuracy and time consumption.
Słowa kluczowe
Rocznik
Tom
Strony
531--538
Opis fizyczny
Bibliogr. 8 poz.
Twórcy
autor
- Institute of Fluid-Flow Machinery PAS Gdansk, Poland, jsk@imp.gda.pl
Bibliografia
- [1] Swirydczuk J., 2002, “RANS simulations of Unsteady Stator/Rotor Interaction Using Different Turbulence Models”, Turbomachinery, Vol. 122/2002, pp. 269-276
- [2] Swirydczuk, J., 2003, “Unsteady Performance of an HP Turbine Stage Optimised for Steady-State Conditions”, Proc. 5th European Conference, Prague, pp. 1157-1166
- [3] Świrydczuk J. and Gardzilewicz A., 2003, “The Comparison of Unsteady and Steady-State Approaches to Turbine Stage Flow Calculations”, Proc. XXXV Kraftwerkstechnisches Kolloquium, Dresden
- [4] Yershov, S., Rusanov, A., Gardzilewicz, A., Lampart, P., and Swirydczuk, J., 1998, “Numerical Simulation of 3D Flow in Axial Turbomachines”, TASK Quarterly, Vol. 2, pp. 319-347
- [5] Rusanov, A. and Yershov, S., 1987, “Simulation of 3D Unsteady Viscous Flow Generated by Interaction of Reciprocally Moving Turbomachine Cascades”, Modelling and Design in Fluid-Flow Machinery, J.Badur et al., ed., Wydawnictwo IMP PAN, pp. 153-160
- [6] Cicatelli, G and Sieverding C.H., 1997, „The Effect of Vortex Shedding on the Unsteady Pressure Distribution Around the Trailing Edge of a Turbine Blade”, Trans ASME, Journal of Turbomachinery, vol. 119, pp;. 810-819.
- [7] Swirydczuk J., 2002, „Vortex Dynamics of the Stator Wake-Rotor Cascade Interaction”, Trans ASME, Journal of Fluids Engineering, vol. 124, pp;. 400-402.
- [8] Kost, F., Hummel, F., and Tiedemann, M., 2000, “Investigation of the Unsteady Rotor Flow Field in a Single HP Turbine Stage,” Proc. ASME TURBO EXPO, Munich, Germany.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-LOD5-0007-0024