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Eddy Resolving Simulations of Intake Under Crosswinds

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Direct and Large-Eddy Simulation XI

Part of the book series: ERCOFTAC Series ((ERCO,volume 25))

Abstract

Modern aircraft engine designs with higher bypass ratio and lower fan pressure ratio offer significant fuel burn benefits of upto 25%. To compensate for the additional increase in the drag and weight, relatively shorter intakes and nacelles are employed. However, shorter intakes suffer under off-design conditions of high incidence and crosswinds. The flow experiences severe acceleration around the intake lip, relaminarization, flow separation and transition to turbulence. Using eddy resolving simulations, the current paper aims to capture the flow over the intake lip under crosswinds and further explore effects of the Reynolds number.

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Acknowledgements

This project was funded by Innovate UK. Additional support from St. Catharine’s college, Cambridge through the Bowring research fellowship is gratefully acknowledged. Simulations are performed on UK Supercomputer ARCHER, to which access was granted through UK Turbulence consortium (EP/L000261/1) and via the EPSRC RAP call of spring 2017.

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Authors and Affiliations

  1. Deparment of Engineering, Trumington Street, Cambridge, CB2 1PZ, UK

    N. R. Vadlamani & P. G. Tucker

Authors
  1. N. R. Vadlamani
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  2. P. G. Tucker
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Corresponding author

Correspondence to N. R. Vadlamani .

Editor information

Editors and Affiliations

  1. Dipartimento di Ingegneria Civile e Industriale, Università di Pisa, Pisa, Italy

    Maria Vittoria Salvetti

  2. Dipartimento di Ingegneria Civile e Ambientale, Università degli studi di Trieste, Trieste, Italy

    Vincenzo Armenio

  3. Institut für Strömungsmechanik, Technische Universität Dresden, Dresden, Germany

    Jochen Fröhlich

  4. Faculty of Electrical Engineering, Mathematics and Computer Science, Multiscale Modeling and Simulation, University of Twente, Enschede, The Netherlands

    Bernard J. Geurts

  5. Department of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands

    Hans Kuerten

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Vadlamani, N.R., Tucker, P.G. (2019). Eddy Resolving Simulations of Intake Under Crosswinds. In: Salvetti, M., Armenio, V., Fröhlich, J., Geurts, B., Kuerten, H. (eds) Direct and Large-Eddy Simulation XI. ERCOFTAC Series, vol 25. Springer, Cham. https://doi.org/10.1007/978-3-030-04915-7_69

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  • DOI: https://doi.org/10.1007/978-3-030-04915-7_69

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-04914-0

  • Online ISBN: 978-3-030-04915-7

  • eBook Packages: EngineeringEngineering (R0)

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