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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Application of TR-PIV Method to Turbulent Flow-Field Studies
 Uruba, Václav ; Knob, Martin
The paper deals with conditions of correct application of the Time Resolved – Particle Image Velocimetry (TR-PIV) method to study a turbulent flow-field. The method is able to catch both spatial and temporal correlation of the velocity field simultaneously, However the method resolution is limited. Influence of those limitations on evaluated results is shown. The TR-PIV hardware fy DANTEC is taken into account.
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Stručný přehled vírových identifikačních metod s aplikací na 2D PIV data
 Knob, Martin ; Uruba, Václav
A brief survey of four basic vortex identification methods, namely the Q-criterion,the λ2 method, the Γ2 method and the Complex eigenvalue method, is given in this contribution. All the methods are investigated on an artificial flow- field as well as an unsteady signal, obtained by the TR PIV system. The results of all the methods are evaluated and compared.
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