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Abstract
The aim of the present study is to verify the ability of a hybrid RANS/LES model, based on the newest version of the RANS k-ω model of Wilcox (2008), to reproduce the flow in a rib-roughened rotating channel. The numerical results are compared to experimental data by Coletti and Arts (2011), and Coletti et al. (2012). Results obtained with the basic RANS k-ω model are analysed as well, with and without the correction term for frame rotation by Hellsten (1998). It is demonstrated that the hybrid RANS/LES k-ω model produces accurate results for the rotating ribbed duct flow. However, the RANS model with the correction term for frame rotation produces quite good results as well for mean velocity profiles, although not as good as with the hybrid model. Further, the RANS model has lower quality in the representation of the small-scale fluctuations.
Keywords
hybrid turbulence models, rotating channel, Turbulence modeling, internal cooling of gas turbine blades, DETACHED-EDDY SIMULATION, IMPINGING JETS, HEAT-TRANSFER, MODEL

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Citation

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MLA
Kubacki, Slawomir, Jacek Rokicki, and Erik Dick. “Hybrid RANS/LES of Flow in a Rib-roughened Rotating Channel.” PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A. ASME, 2014. 1–12. Print.
APA
Kubacki, S., Rokicki, J., & Dick, E. (2014). Hybrid RANS/LES of flow in a rib-roughened rotating channel. PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A (pp. 1–12). Presented at the ASME Turbo Expo: Turbine Technical Conference and Exposition, ASME.
Chicago author-date
Kubacki, Slawomir, Jacek Rokicki, and Erik Dick. 2014. “Hybrid RANS/LES of Flow in a Rib-roughened Rotating Channel.” In PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A, 1–12. ASME.
Chicago author-date (all authors)
Kubacki, Slawomir, Jacek Rokicki, and Erik Dick. 2014. “Hybrid RANS/LES of Flow in a Rib-roughened Rotating Channel.” In PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A, 1–12. ASME.
Vancouver
1.
Kubacki S, Rokicki J, Dick E. Hybrid RANS/LES of flow in a rib-roughened rotating channel. PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A. ASME; 2014. p. 1–12.
IEEE
[1]
S. Kubacki, J. Rokicki, and E. Dick, “Hybrid RANS/LES of flow in a rib-roughened rotating channel,” in PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A, Düsseldorf, Germany, 2014, pp. 1–12.
@inproceedings{4427720,
  abstract     = {The aim of the present study is to verify the ability of a hybrid RANS/LES model, based on the newest version of the RANS k-ω model of Wilcox (2008), to reproduce the flow in a rib-roughened rotating channel. The numerical results are compared to experimental data by Coletti and Arts (2011), and Coletti et al. (2012). Results obtained with the basic RANS k-ω model are analysed as well, with and without the correction term for frame rotation by Hellsten (1998). It is demonstrated that the hybrid RANS/LES k-ω model produces accurate results for the rotating ribbed duct flow. However, the RANS model with the correction term for frame rotation produces quite good results as well for mean velocity profiles, although not as good as with the hybrid model. Further, the RANS model has lower quality in the representation of the small-scale fluctuations.},
  articleno    = {UNSP V05AT12A033},
  author       = {Kubacki, Slawomir and Rokicki, Jacek and Dick, Erik},
  booktitle    = {PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 5A},
  isbn         = {978-0-7918-4571-4},
  keywords     = {hybrid turbulence models,rotating channel,Turbulence modeling,internal cooling of gas turbine blades,DETACHED-EDDY SIMULATION,IMPINGING JETS,HEAT-TRANSFER,MODEL},
  language     = {eng},
  location     = {Düsseldorf, Germany},
  pages        = {UNSP V05AT12A033:1--UNSP V05AT12A033:12},
  publisher    = {ASME},
  title        = {Hybrid RANS/LES of flow in a rib-roughened rotating channel},
  url          = {http://dx.doi.org/10.1115/GT2014-26194},
  year         = {2014},
}

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