Space and time reconstruction of the precessing vortex core in Francis turbine draft tube by 2D-PIV
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International Association For Hydraulic Research2006
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International Association For Hydraulic Research2006
At low flow rate operation, Francis turbines feature a cavitating vortex rope in the draft tube resulting from the swirling flow of the runner outlet. The unsteady pressure field related to the precession of the vortex rope induces plane wave propagating i ...
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International Association For Hydraulic Research2004