publication . Article . 2010

Decomposition Methods For a Piv Data Analysis with Application to a Boundary Layer Separation Dynamics

Václav URUBA;
Open Access English
  • Published: 01 Dec 2010 Journal: Transactions of the VSB : Technical University of Ostrava (issn: 1210-0471, eissn: 1804-0993, Copyright policy)
  • Publisher: VSB-Technical University of Ostrava
Separation of the turbulent boundary layer (BL) on a flat plate under adverse pressure gradient was studied experimentally using Time-Resolved PIV technique. The results of spatio-temporal analysis of flow-field in the separation zone are presented. For this purpose, the POD (Proper Orthogonal Decomposition) and its extension BOD (Bi-Orthogonal Decomposition) techniques are applied as well as dynamical approach based on POPs (Principal Oscillation Patterns) method. The study contributes to understanding physical mechanisms of a boundary layer separation process. The acquired information could be used to improve strategies of a boundary layer separation con...
free text keywords: Mechanical engineering and machinery, TJ1-1570
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