Linear stability analysis of LPT rotor packets - Part i: Methodology and two-dimensional results

Proceedings of the ASME Turbo Expo 2004

Volumn 6, Issue , 2004, Pages 551-562

  Corral, Roque ^a,c   Lopez, Carlos ^b   Vasco, Carlos ^a  

^a Industria de TurboPropulsores SA   (Spain)

^b Technical University of Madrid UPM   (Spain)

^c UNIVERSIDAD POLITÉCNICA DE MADRID   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

LINEAR SYSTEMS; STRESSES; TURBINES; VIBRATIONS (MECHANICAL); VISCOUS FLOW;

INTER-BLADE PHASE ANGLES (IBPA); LINEAR STABILITY; ROTOR PACKETS;

ROTORS;

EID: 10244253951     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/gt2004-54119     Document Type: Conference Paper

References (18)

1. Chernysheva, O.V., Fransson, T.H., Kielb, R.E., and Barter, J., "Effect of Shroud Coupling on the Aerodynamic Stability of a Turbine Sectored Vane", ASME Paper 2003-GT-38632, 2003.
2. Contreras, J., Corral, R., Fernández-Castañeda, J., Pastor, G., and Vasco, C., "Semi-Unstructured Grid Methods for Turbomachinery Applications" ASME Paper 2002-GT-30572, 2002.
3. Corral, R., Burgos, M.A., and García, A., "Influence of the Artificial Dissipation Model on the propagation of Acoustic and Entropy Waves", ASME Paper 2000-GT-563, 2000.
4. Corral, R., Crespo, J., and Gisbert, F., "Parallel Multigrid Unstructured Method for the Solution of the Navier-Stokes Equations", AIAA Paper 2004-0761, 2004.
5. Corral, R., Escribano, A., Gisbert, F., Serrano, A., and Vasco, C., "Validation of a Linear Multigrid Accelerated Unstructured Navier-Stokes Solver for the Computation of Turbine Blades on Hybrid Grids" AIAA Paper 2003-3326, 2003
6. Corral, R., and Fernández-Castañeda, J., "Surface Mesh Generation by Means of Steiner Triangulations", AIAA Journal, Vol. 39, No. 1, pp. 176-180, January 2001.
7. Corral, R., Gallardo, J.M., and Vasco, C. "Linear Stability Analysis of LPT Rotor Packets - Part II: Three-Dimensional Results and Mistuning Effects", ASME Paper 2004-GT-54220, 2004.
8. Corral, R., and Gisbert, F., "A Numerical Investigation on the Influence of Lateral Boundaries in Linear Vibrating Cascades", Journal of Turbomachinery, Vol. 125, pp. 433-441, July 2003.
9. Giles, M.B., "Non-reflecting Boundary Conditions for Euler Equation Calculations", AIAA Journal, Vol. 28, No. 12, pp. 2050-2057, 1990.
10. Jameson, A., Schmidt, W., and Turkel, E., "Numerical Solution of the Euler Equations by Finite Volume Techniques using Runge-Kutta Time Stepping Schemes", AIAA Paper 81-1259, 1991.
11. Kahl, G. "Application of the Time Linearized Euler Method to Flutter and Forced Response Calculations", ASME Paper 95-GT-123, 1995.
12. Moinier, P., "Algorithm Developments for an Unstructured Viscous Flow Solver", Ph.D Thesis, University of Oxford, 1999.
13. Nowinski, M., and Panovsky, J., "Flutter Mechanisms in Low Pressure Turbine Blades", Journal of Engineering for Gas Turbines and Power, Vol. 122, pp. 82-88, 2000
14. Panovsky, J., and Kielb, R.E., "A Design Method to Prevent Low Pressure Turbine Blade Flutter", Journal of Enginnering for Gas Turbines and Power, Vol. 122, pp. 89-98, 2000
15. Roe, P., "Approximate Riemman Solvers, Parameters, Vectors and Difference Schemes", Journal of Computational Physics, Vol. 43, pp. 357-372, 1981.
16. Sayma, A.I., Vahdati M., Green, J.S., and Imregun, M., "Whole-Assembly Flutter Analysis of a Low Pressure Turbine Blade", in Proceedings of the 8th International Symposium in Unsteady Aerodynamics and Aeroelasticity of Turbomachines, pp. 347-359, Edited by T.H., Fransson, 1998
17. Swanson, R.C., and Turkel, E., "On Central-Difference and Up-winding Schemes" Journal of Computational Physics, Vol. 101, pp. 292-306, 1992.
18. Whitehead, D.S., and Evans, D.H., "Flutter of Grouped Turbine Blades", ASME Paper 92-GT-227, ASME Gas Turbine and Aeroengine Congress and Exposition, Cologne, Germany, 1992.