Numerical and experimental damping prediction of a nonlinearly coupled low pressure steam turbine blading

Proceedings of the ASME Turbo Expo

Volumn 5, Issue PART A, 2008, Pages 531-542

  Siewert, Christian ^a   Panning, Lars ^a   Gerber, Christoph ^b   Masserey, Pierre Alain ^b  

^a LEIBNIZ UNIVERSITY HANNOVER   (Germany)

^b ALSTOM SWITZERLAND LTD   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

COEFFICIENT OF FRICTIONS; DISSIPATED ENERGY; LOSS FACTOR; LOW PRESSURES; MODAL DOMAIN; NODAL DIAMETER; NONLINEAR FREQUENCY RESPONSE; NONLINEARLY COUPLED; SYSTEM OF NONLINEAR EQUATIONS; TURBINE BLADING; VIBRATION CYCLE;

DAMPING; DYNAMIC ANALYSIS; ENERGY DISSIPATION; ENGINES; FREQUENCY RESPONSE; MARINE ENGINES; NONLINEAR EQUATIONS; STEAM; SURFACE ROUGHNESS;

STEAM TURBINES;

EID: 69949168903     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/GT2008-51073     Document Type: Conference Paper

References (18)

1. [Chen andMenq 1998] Chen, J.J., Menq, C.H.: Prediction of Resonant Response of Frictionally Constrained Blade Systems using Contrained Mode Shapes, ASME-Paper 98-GT-548, Proceedings of the ASME Turbo Expo 1998, Stockholm (Sweden), 1998
2. [Chen and Menq 1999] Chen, J.J., Menq, C.H.: Prediction of Periodic Response of Blades having 3D Shroud Constraints, ASME-Paper 99-GT-288, Proceedings of the ASME Turbo Expo 1999, Indiana (USA), 1999
3. [Cook et al. 2002] Cook, R.D., Malkus, D.S., Plesha, M.E., Witt, R.J.: Concepts and Applications of Finite Element Analysis, 4. Edition, John Wiley & Sons, 2002
4. [Gasch and Knothe 1989] Gasch, R., Knothe, K.: Strukturdynamik Bd. 2 - Kontinua und ihre Diskretisierung, 1. Edition, Springer, Berlin, 1989
5. [Ottl 2007] Ottl, D.: VDI-Richtlinie 3830: Werkstoff-und Bauteildämpfung - Modelle und mathematische Beschreibung, Versuchstechniken zur Messung von Dämpfungsgrößen, VDI-Berichte Nr. 2003, 2007
6. [Panning et al. 2004] Panning, L., Popp, K., Sextro, W., Götting, F., Kayser, A., Wolter, I.: Asymmetrical underplatform Dampers in gas Turbines Bladings: Theory and Application, ASME-Paper GT2004-53316, Proceedings of the ASME Turbo Expo 2004, Vienna (Austria), 2004
7. [Petrov 2004] Petrov, E.P.: A Method for Use of Cyclic Symmetry Properties in Analysis of Nonlinear Multiharmonic Vibrations of Bladed Disks, Trans. ASME J. of Turbomachinery, Vol. 126 - January 2004, pp. 175-183, 2004
8. [Petrov and Ewins 2005] Petrov, E.P., Ewins, D.J.: Effects of Damping and Varying Contact Area at Blade-Discs Joints in Forced Response Analysis of Bladed Disc Assemblies, ASME-Paper GT2005-68936, Proceedings of the ASME Turbo Expo 2005, Reno (USA), 2005
9. [Poudou and Pierre 2003] Poudou, O., Pierre, C: Hybrid Frequency-Time Domain Methods for the Analysis of Complex Structural Systems with Friction Damping, Collection of Technical Papers - AIAA / ASME / ASCE / AHS / ASC Structural Dynamics and Materials Conference, Norfolk (USA), Vol. 1, pp. 111-124, 2003
10. [Sextro 2000] Sextro, W.: The Calculation of the Forced Response of Shrouded Blades with Friction Contacs and Its Experimental Verification, ASME-Paper 2OO0-GT-540. Proceedings of the ASME Turbo Expo 2000, Munich (Germany), 2000
11. [Sextro 2007] Sextro, W.: Dynamical Contact Problems with Friction - Models, Methods, Experiments and Applications, 2. Edition, Springer, Berlin, 2007
12. [Rice et al. 2007] Rice, T., Bell, D., Singh, G.: Identification of the Stability Margin between Safe Operation and the Onset of Blade Flutter, ASME-Paper GT2007-27462, Proceedings of the ASME Turbo Expo 2007, Montreal (Canada), 2007
13. [Szwedowicz et al. 2005] Szwedowicz, J., Slowik, S., Mahler, A., Hulme, C.J.: Nonlinear Dynamic Analysis of a Gas Turbine Blade for Attainment of Reliable Shroud Coupling, ASME-Paper GT2005-69062, Proceedings of the ASME Turbo Expo 2005, Reno (USA), 2005
14. [Szwedowicz et al. 2007] Szwedowicz, J., Secall-Wimmel, T., Sonnenschein, A., Dünck-Kerst, P., Westfahl, M., Regnery, D.: Scaling Concepts for Axial Turbine Stages with Loosely Assembled Bolts: The Linear Dynamics Assessment - Part 1, ASME-Paper GT2OO7-275O2, Proceedings of the ASME Turbo Expo 2007, Montreal (Canada), 2007
15. [Thomas 1979] Thomas, D.L.: Dynamics of Rotationally Periodic Structures, Int. J. for Numerical Methods in Engineering, Vol. 14, pp. 81-102, 1979
16. [Traupel 2001] Traupel, W.: Thermische Turbomaschinen Bd. 2, 4. Edition, Springer, Berlin, 1989
17. [Yang and Menq 1996] Yang, B.D., Menq, C.H.: Modeling of Friction Contact and Its Application to the Design of Shroud Contact, ASME-Paper 96-GT-472, Proceedings of the ASME Turbo Expo 1996, Birmingham (Great Britain), 1996
18. [Yang et al. 1998] Yang, B.D., Chen, J.J., Menq, C.H.: Prediction of Resonant Response of Shrouded Blades with Three-Dimensional Shroud Constraint, ASME-Paper 98-GT-485, Proceedings of the ASME Turbo Expo 1998, Stockholm (Sweden), 1998