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LES of the Flow in a Rotating Rib-Roughened Duct

  • D. BorelloEmail author
  • A. Salvagni
  • F. Rispoli
  • K. Hanjalic
Conference paper
Part of the ERCOFTAC Series book series (ERCO, volume 20)

Abstract

Interior channels of gas-turbine blades are often lined with ribs, which act as turbulence promoters to enhance heat transfer between the hot blade surface and the cooling air.

Keywords

Vortical Structure Enhance Heat Transfer Recirculation Bubble Corner Vortex Turbulence Promoter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    Coletti, F., Maurer, T., Arts, T., Di Sante, A.: Flow field investigation in a rotating rib-roughened channel by means of particle image velocimetry. Exp. Fluids 52, 1043–1061 (2012)CrossRefGoogle Scholar
  2. 2.
    Delibra, G., Borello, D., Hanjalic, K., Rispoli, F.: LES of flow and heat transfer in a channel with a staggered cylindrical pin matrix. In: Armenio, V., Geurts, B., Froelich, J. (eds.) Direct and Large-Eddy Simulation VII, Proceedings of 7th International ERCOFTAC Workshop, Trieste. Springer Science and Media B.V., 9–10 Sept 2008Google Scholar
  3. 3.
    Casarsa, L., Arts, T.: Experimental investigation of the aerothermal performance of a high blockage rib-roughened cooling channel. J. Turbomach. 127, 580–588 (2005)CrossRefGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • D. Borello
    • 1
    Email author
  • A. Salvagni
    • 1
  • F. Rispoli
    • 1
  • K. Hanjalic
    • 2
    • 3
  1. 1.Dipartimento di Ingegneria Meccanica E Aerospaziale‘Sapienza’ Universit di RomaRomeItaly
  2. 2.Delft University of TechnologyDelftThe Netherlands
  3. 3.Novosibirsk State UniversityNovosibirskRussia

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