This paper establishes a proven computational approach for open rotor configurations that can be used as a basis for further studies involving open rotor aerodynamics and design. Many of the difficulties encountered in the application of computational fluid dynamics to an open rotor engine arise due to the removal of the casing that is present in conventional aero-engine turbomachinery. In this work, an advanced three-dimensional Navier–Stokes solver is applied to the open rotor. The approach needed to accurately capture the aerodynamics is investigated with particular attention to the mesh configuration and the specification of the boundary conditions. A new three-step meshing strategy for generating the mesh and the most suitable type of far-field boundary condition are discussed. A control volume analysis approach is proposed for post-processing the numerical results for the rotor performance. The capabilities of the solver and the applied methodology are demonstrated at both cruise and take-off operating conditions. The comparison of the computational results with the experimental measurements shows good agreement for both data trend and magnitudes.
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July 2011
Research Papers
Application of a Navier–Stokes Solver to the Study of Open Rotor Aerodynamics
Alexios Zachariadis,
Alexios Zachariadis
Whittle Laboratory,
University of Cambridge
, Cambridge CB3 0DY, UK
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Cesare A. Hall
Cesare A. Hall
Whittle Laboratory,
University of Cambridge
, Cambridge CB3 0DY, UK
Search for other works by this author on:
Alexios Zachariadis
Whittle Laboratory,
University of Cambridge
, Cambridge CB3 0DY, UK
Cesare A. Hall
Whittle Laboratory,
University of Cambridge
, Cambridge CB3 0DY, UKJ. Turbomach. Jul 2011, 133(3): 031025 (11 pages)
Published Online: December 7, 2010
Article history
Received:
September 30, 2009
Revised:
December 21, 2009
Online:
December 7, 2010
Published:
December 7, 2010
Citation
Zachariadis, A., and Hall, C. A. (December 7, 2010). "Application of a Navier–Stokes Solver to the Study of Open Rotor Aerodynamics." ASME. J. Turbomach. July 2011; 133(3): 031025. https://doi.org/10.1115/1.4001246
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