Skip to main content

Abstract

The aerodynamic damping of a modern LPT airfoil is compared to the one obtained when pairs of blades are forced to vibrate as a rigid body to mimic the dynamics of welded-pair assemblies. The stabilizing effect of this configuration is shown by means of two-dimensional simulations.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 169.00
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 219.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 219.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  • 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.

    Google Scholar 

  • Corral, R., Escribano, A., Gisbert, F., Serrano, A., and Vasco, V., “Validation of a Linear Multi-grid Accelerated Unstructured Navier-Stokes Solver for the Computation of Turbine Blades on Hybrid Grids”, AIAA Paper 2003–3326, 2003.

    Google Scholar 

  • Corral, R., and Gisbert, F., “A Numerical Investigation on the Influence of Lateral Boundaries in Linear Vibrating Cascades”, ASME Paper 2002-GT-30451, 2002.

    Google Scholar 

  • Giles, M.B., “Non-reflecting Boundary Conditions for Euler Equation Calculations”, AIAA Journal, Vol. 28, No. 12, pp. 2050–2057, 1990.

    Article  Google Scholar 

  • 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.

    Google Scholar 

  • 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

    Article  Google Scholar 

  • Panovski, J., and Kielb, R.E., “A Design Method to Prevent Low Pressure Turbine Blade Flutter”, Journal of Engineering for Gas Turbines and Power, Vol. 122, pp. 89–98, 2000

    Article  Google Scholar 

  • Roe, P., “Approximate Riemman Solvers, Parameters, Vectors and Difference Schemes”, Journal of Computational Physics, Vol. 43, pp. 357–372, 1981.

    Article  MATH  MathSciNet  Google Scholar 

  • 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

    Google Scholar 

  • Swanson, R.C., and Turkel, E., “On Central-Difference and Upwinding Schemes” Journal of Computational Physics, Vol. 101, pp. 292–306, 1992.

    Article  MathSciNet  MATH  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2006 Springer

About this paper

Cite this paper

Corral, R., Cerezal, N., Vasco, C. (2006). FLUTTER BOUNDARIES FOR PAIRS OF LOW PRESSURE TURBINE BLADES. In: Hall, K.C., Kielb, R.E., Thomas, J.P. (eds) UNSTEADY AERODYNAMICS, AEROACOUSTICS AND AEROELASTICITY OF TURBOMACHINES. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4605-7_1

Download citation

  • DOI: https://doi.org/10.1007/1-4020-4605-7_1

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-4267-6

  • Online ISBN: 978-1-4020-4605-6

  • eBook Packages: EngineeringEngineering (R0)

Publish with us

Policies and ethics