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Keywords: POD
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2023, 145(9): 091202.
Paper No: FE-22-1521
Published Online: May 15, 2023
... and propagation mechanism of the rotating stall of the hump instability region. The frequency characteristics and spatial intensity distribution of the stall cells are studied by adopting the proper orthogonal decomposition (POD) method. The results indicate that the energy loss at 0.80Q DES and 0.75Q DES...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2023, 145(3): 031202.
Paper No: FE-22-1247
Published Online: December 9, 2022
... decomposition (POD) and spectral proper orthogonal decomposition (SPOD). Both POD and SPOD analysis reveal the existence of two types of unsteadiness in the flow field in the volute, one is the large-scale fluctuations at rotation frequency and its high-order harmonics in the main outlet flow, the other is due...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2014, 136(10): 101104.
Paper No: FE-13-1378
Published Online: July 24, 2014
... axis L = length of pipe LDV = laser Doppler velocimetry LIF = laser induced fluorescence PIV = particle image velocimetry POD = proper orthogonal decomposition U c = local centerline velocity X = streamwise coordinate Y = transverse coordinate...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. January 2011, 133(1): 011203.
Published Online: January 28, 2011
...). The large-scale structures were exposed by performing a proper orthogonal decomposition (POD) analysis of the velocity field obtained using a particle image velocimetry system. Measurements were made on vertical and horizontal planes—both containing the axis of the jet. All fields-of-view were positioned...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. January 2011, 133(1): 011201.
Published Online: January 13, 2011
... for the vortices detection and the proper orthogonal decomposition (POD) technique to extract the most energetic modes contained in the turbulent flow and to the turbulent flow filtering. A database has been also constituted and was used to test the validity of the most models of turbulence, and in particular...
Journal Articles
Journal Articles