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Aplikace ortogonálních dekompozičních metod
Uruba, Václav ; Knob, Martin
Orthogonal decomposition techniques are introduced with respect to application to time-resolved PIV data. Several modifications of the techniques are taken into account, particularly the Proper Orthogonal Decomposition in continuous and snapshot variants for space analysis only as well as the Bi-Orthogonal Decomposition to be used for joint space-time analysis.
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PIV study of the controlled pulsatile jets
Pírková, L. ; Kopecký, V. ; Trávníček, Zdeněk
The aim of this paper is to describe an experimental study of controlled pulsating jets using PIV method. The present synchronization of PIV data with the pulsating process enables to measure vector maps of the flow field with the time steps under 1ms. Principle of PIV method and the present experimental set up are described. Main part of the paper discusses vector and scalar maps of the flow.
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