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Transition Prediction on Turbine Blade Profile With Intermittency Transport Equation

[+] Author Affiliations
Wladyslaw Piotrowski

GE Oil & Gas EDC, Warsaw, Poland

Witold Elsner, Stanisław Drobniak

Czestochowa University of Technology, Czestochowa, Poland

Paper No. GT2008-50796, pp. 1291-1300; 10 pages
doi:10.1115/GT2008-50796
From:
  • ASME Turbo Expo 2008: Power for Land, Sea, and Air
  • Volume 4: Heat Transfer, Parts A and B
  • Berlin, Germany, June 9–13, 2008
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4314-7 | eISBN: 0-7918-3824-2
  • Copyright © 2008 by ASME

abstract

The paper presents the results of tests and validations of γ-Reθ model proposed by Menter at al [10], which was extended by in-house correlations on onset location and transition length. The tests performed were based on experimental data on the flat plate Test Cases available at ERCOFTAC Data Base as well as on experimental data of turbine blade profile investigated at Czestochowa University of Technology. Further on, the model was applied for unsteady calculations of the blade profile test case, where chosen inlet conditions (turbulent intensity, wake parameters) were applied. For the selected case numerical results were compared not only with the experimental data, but also with the results obtained with other transition models. It was shown that the applied model was able to reproduce some essential flow features related to the bypass and wake-induced transitions and the simulations reveal good agreement with the experimental results in terms of localisation and extent of wake-induced transition.

Copyright © 2008 by ASME

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