LAPSE:2023.4454
Published Article
LAPSE:2023.4454
Effects of a Single Blade Incidence Angle Offset on Adjacent Blades in a Linear Cascade
February 23, 2023
Abstract
The paper presents a numerical and experimental investigation of the effect of incindence angle offset in a two-dimensional section of a flat blade cascade in a high-speed wind tunnel. The aim of the current work is tp determine the aerodynamic excitation forces and approximation of the unsteady blade-loading function using a quasi-stationary approach. The numerical simulations were performed with an in-house finite-volume code built on the top of the OpenFOAM framework. The experimental data were acquired for regimes corresponding to the numerical setup. The comparison of the computational and experimental results is shown for the static pressure distributions on three blades and upstream and downstream of the cascade. The plot of the aerodynamic moments acting on all five blades shows that the adjacent blades are significantly influenced by the angular offset of the middle blade.
The paper presents a numerical and experimental investigation of the effect of incindence angle offset in a two-dimensional section of a flat blade cascade in a high-speed wind tunnel. The aim of the current work is tp determine the aerodynamic excitation forces and approximation of the unsteady blade-loading function using a quasi-stationary approach. The numerical simulations were performed with an in-house finite-volume code built on the top of the OpenFOAM framework. The experimental data were acquired for regimes corresponding to the numerical setup. The comparison of the computational and experimental results is shown for the static pressure distributions on three blades and upstream and downstream of the cascade. The plot of the aerodynamic moments acting on all five blades shows that the adjacent blades are significantly influenced by the angular offset of the middle blade.
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Keywords
compressor cascade, Computational Fluid Dynamics, experimental validation, finite volumes, flutter
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Suggested Citation
Fürst J, Lasota M, Lepicovsky J, Musil J, Pech J, Šidlof P, Šimurda D. Effects of a Single Blade Incidence Angle Offset on Adjacent Blades in a Linear Cascade. (2023). LAPSE:2023.4454
Author Affiliations
Fürst J: Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo Nám. 13, 121 35 Prague 2, Czech Republic; Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic [ORCID]
Lasota M: Faculty of Mechatronics, Technical University of Liberec, Studentská 2, 461 17 Liberec 1, Czech Republic [ORCID]
Lepicovsky J: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic
Musil J: Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo Nám. 13, 121 35 Prague 2, Czech Republic; Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic [ORCID]
Pech J: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic
Šidlof P: Faculty of Mechatronics, Technical University of Liberec, Studentská 2, 461 17 Liberec 1, Czech Republic [ORCID]
Šimurda D: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic [ORCID]
Lasota M: Faculty of Mechatronics, Technical University of Liberec, Studentská 2, 461 17 Liberec 1, Czech Republic [ORCID]
Lepicovsky J: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic
Musil J: Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo Nám. 13, 121 35 Prague 2, Czech Republic; Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic [ORCID]
Pech J: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic
Šidlof P: Faculty of Mechatronics, Technical University of Liberec, Studentská 2, 461 17 Liberec 1, Czech Republic [ORCID]
Šimurda D: Institute of Thermomechanics, Czech Academy of Sciences, Dolejškova 1402/5, 182 00 Prague 8, Czech Republic [ORCID]
Journal Name
Processes
Volume
9
Issue
11
First Page
1974
Year
2021
Publication Date
2021-11-04
ISSN
2227-9717
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Original Submission
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PII: pr9111974, Publication Type: Journal Article
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LAPSE:2023.4454
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https://doi.org/10.3390/pr9111974
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Feb 23, 2023
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