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Experimental and numerical flow visualization in a transonic turbine


This paper focuses on the visualization of both experimental and numerical results and presents research in a highly-loaded cold-flow transonic turbine under continuous and engine-representative conditions. Special focus was placed on blade row interaction at app. 10600 rpm. While the first step was the investigation of a single stage machine (stator-rotor), the second step extended the test rig to a one-and-a-half stage configuration (stator-rotor-stator). Measurements were carried out in the transonic test turbine at Graz University of Technology using Particle-Image-Velocimetry and Laser-Doppler-Anemometry. The main results of these experiments are discussed and compared to numerical simulations.

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Correspondence to J. Woisetschläger.

Additional information

Jakob Woisetschläger: He received his M.Sc. (Dipl.-Ing.) in 1987 and his Ph.D. in Physics in 1990 from Graz University of Technology with distinction. Exchange student in 1986 at the Institute for Physics, University of Zagreb, Croatia. 1991–1992 Visiting Scientist at the Institute for Biomedical Engineering Research, University of Akron, Ohio USA. Since 1998 Associate Professor at Graz University of Technology. Since 2002 head of the work-group “Experimental Turbomachinery research and Optical Diagnostics” at the Institute for Thermal Turbomachinery and Machine Dynamics, Graz University of Technology. In 2004 and 2005 visiting exchange program with RWTH Aachen, Germany and University Zaragoza, Spain. In 1996 Young Scientist START Award granted by the Austrian Chancellor, in 2004 Research Award granted by the Governor of Styria. Author (co-author) of more than 100 contributions to books, journals and conference proceedings, Author (co-author) of about 30 reports and application notes, one patent. Member International Society for Optical Engineering SPIE and Austrian Physical Society OEPG.

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Woisetschläger, J., Pecnik, R., Göttlich, E. et al. Experimental and numerical flow visualization in a transonic turbine. J Vis 11, 95–102 (2008). https://doi.org/10.1007/BF03181919

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  • Particle Image Velocimetry
  • turbomachinery
  • transonic flow
  • blade row interaction
  • computational fluid dynamics