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https://hdl.handle.net/2142/87735
Description
Title
Kinematics of Vortices in Turbulent Flows
Author(s)
Chakraborty, Pinaki
Issue Date
2006
Doctoral Committee Chair(s)
Adrian, Ronald J.
Balachandar, S.
Department of Study
Theoretical and Applied Mechanics
Discipline
Theoretical and Applied Mechanics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Applied Mechanics
Language
eng
Abstract
The concept of a hierarchy of vortices in the physical space of turbulent flows is commonly extended to Fourier space. Through an analysis of Gaussian vortices, we explore the concept a vortex in Fourier space in terms of local flow kinematics. We find that interpreting a hierarchy of vortices in Fourier space may lead to incorrect results.
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