Title: PIV of air flow over a step and discussion of fluctuation decompositions
Authors: Duda, Daniel
Uruba, Václav
Citation: DUDA, D., URUBA, V. PIV of air flow over a step and discussion of fluctuation decompositions. In 37th Meeting of Departments of Fluid Mechanics and Thermodynamics. Melville: American Institute of Physics, 2018. s. 1-4. ISBN 978-0-7354-1716-8 , ISSN 0094-243X.
Issue Date: 2018
Publisher: American Institute of Physics
Document type: konferenční příspěvek
URI: 2-s2.0-85051965920
ISBN: 978-0-7354-1716-8
ISSN: 0094-243X
Keywords in different language: Air flow;Velocity measurement;Fluid dynamics;Particle image velocimetry;Variations;Fluid flow;Aerodynamics;Decomposition
Abstract in different language: The experimental method of PIV (Particle image velocimetry) is used to study the air flow over a forward facing step creating shear layer between the outer flow and the recirculation bubble. This layer decays into vortices, which are highlighted by using Reynolds (temporal) decomposition or Agrawal (spatial) decomposition. The later can be tuned to different-sized structures, and, additionally, their energies roughly follow the Kolmogorov -5/3 law.
Rights: © American Institute of Physics
Appears in Collections:Konferenční příspěvky / Conference papers (KKE)

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Please use this identifier to cite or link to this item: http://hdl.handle.net/11025/31167

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