This paper reports on application of Stereo Particle Image Velocimetry (Stereo PIV) to measure flow characteristics at high-Reynolds number flow in turbine test facility. The test rig “TS-2” at The Central Institute of Aviation Motors was operated at the pressure up to 2.5 bar, temperature 450°C and flow rates up to 36 kg/s. The main goal of the study was to characterize turbulence intensity and to estimate turbulence integral scale using correlation functions in a test rig immediately before the low pressure aviation turbine. It was found that for different operation pressure (from 1.44 to 2.5 bar) and different flow configuration (with or without turbulent screens) the local turbulence intensity at the inlet of low pressure turbine is about 20 %, but the turbulence integral scale is strongly dependent on the turbine test facility configuration.
PIV characterization of high-Reynolds flow in turbine test facility
INTERNATIONAL CONFERENCE ON THE METHODS OF AEROPHYSICAL RESEARCH (ICMAR 2016): Proceedings of the 18th International Conference on the Methods of Aerophysical Research ; 2016 ; Perm, Russia
AIP Conference Proceedings ; 1770 , 1
2016-10-13
6 pages
Conference paper
Electronic Resource
English
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