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Development of a Novel Mixing Plane Interface Using a Fully Implicit Averaging for Stage Analysis
Journal article

Development of a Novel Mixing Plane Interface Using a Fully Implicit Averaging for Stage Analysis

  • Hanimann, Lucian Lucerne University of Applied Sciences and Arts, Engineering and Architecture, Technikumstrasse 21, Horw 6048, Switzerland e-mail:
  • Mangani, Luca Lucerne University of Applied Sciences and Arts, Engineering and Architecture, Technikumstrasse 21, Horw 6048, Switzerland
  • Casartelli, Ernesto Lucerne University of Applied Sciences and Arts, Engineering and Architecture, Technikumstrasse 21, Horw 6048, Switzerland
  • Mokulys, Thomas MAN Diesel and Turbo Schweiz AG, Hardstrasse 319, Postfach 2602 Zurich 8021, Switzerland
  • Mauri, Sebastiano MAN Diesel and Turbo Schweiz AG, Hardstrasse 319, Postfach 2602 Zurich 8021, Switzerland
  • 2014-1-31
Published in:
  • Journal of Turbomachinery. - ASME International. - 2014, vol. 136, no. 8
Mechanical Engineering
English This paper describes the development and validation steps of a characteristics-based explicit along with a novel fully implicit mixing plane implementation for turbomachinery applications. The framework is an unstructured 3D RANS in-house modified solver, based on open-source libraries. Particular attention was paid to mass-conservation, accurate variables interpolation, and algorithm stability in order to improve robustness and convergence. By introducing a specific interface, allowing the use of algebraic multigrid solvers together with multiprocessor computation, a speed up of the numerical solution procedure was achieved. The validation of both mixing plane algorithms is carried out on an industrial radial compressor and a cold air 1.5 stages axial turbine.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://folia.unifr.ch/global/documents/70769
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