This forum paper discusses phase-resolved turbulence measurements of the flow downstream of an axial turbine, and especially how phase-resolved measurements compare to time-resolved measurements. The time-resolved spectra produced higher velocity fluctuations than the corresponding phase-resolved spectra even when the periodic component was filtered out from the time-resolved measurements. The phase-resolved spectrum effectively removes all the peaks in the spectrum except for the ones associated with the blade-passage frequency.
- Fluids Engineering Division
Fourier Decomposed Turbulence Measurements Downstream of a High-Pressure Turbine Stage
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Axelsson, L, George, WK, & Johansson, TG. "Fourier Decomposed Turbulence Measurements Downstream of a High-Pressure Turbine Stage." Proceedings of the ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. Volume 2: Fora. Jacksonville, Florida, USA. August 10–14, 2008. pp. 177-182. ASME. https://doi.org/10.1115/FEDSM2008-55146
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