The flow fields and performances of different transonic radial compressors of varying geometries and conceptual designs have been studied numerically. All the simulations were performed with a modified in-house 3D RANS solver based on an object-oriented open-source library. The solver uses an All-Mach algorithm with a special treatment for the pressure corrector equation to deal with highly compressible flows. The 3D flow field structures, the characteristics and integral quantities have been compared to the results of established, state-of-the-art commercial solvers as well as to measurements whenever possible. This paper demonstrates for various configurations that the main flow features and the flow characteristics have been captured by the new solver. Furthermore, the new solver is also capable of computing the delta variations of similar designs. This is an essential step for the broad application of the new solver for optimization design cycles.
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ASME Turbo Expo 2012: Turbine Technical Conference and Exposition
June 11–15, 2012
Copenhagen, Denmark
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-4474-8
PROCEEDINGS PAPER
An Object-Oriented CFD Code for Optimization of High Pressure Ratio Compressors
Elmar Gröschel,
Elmar Gröschel
ABB Turbo Systems AG Schweiz, Baden, Switzerland
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Benjamin Rembold,
Benjamin Rembold
ABB Turbo Systems AG Schweiz, Baden, Switzerland
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Luca Mangani,
Luca Mangani
Lucerne University of Applied Sciences and Arts, Horw, Switzerland
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Ernesto Casartelli
Ernesto Casartelli
Lucerne University of Applied Sciences and Arts, Horw, Switzerland
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Elmar Gröschel
ABB Turbo Systems AG Schweiz, Baden, Switzerland
Benjamin Rembold
ABB Turbo Systems AG Schweiz, Baden, Switzerland
Luca Mangani
Lucerne University of Applied Sciences and Arts, Horw, Switzerland
Ernesto Casartelli
Lucerne University of Applied Sciences and Arts, Horw, Switzerland
Paper No:
GT2012-68708, pp. 693-701; 9 pages
Published Online:
July 9, 2013
Citation
Gröschel, E, Rembold, B, Mangani, L, & Casartelli, E. "An Object-Oriented CFD Code for Optimization of High Pressure Ratio Compressors." Proceedings of the ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. Volume 8: Turbomachinery, Parts A, B, and C. Copenhagen, Denmark. June 11–15, 2012. pp. 693-701. ASME. https://doi.org/10.1115/GT2012-68708
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