Particle image velocimetry for natural convection in a cube at high Rayleigh numbers
Georgiou, Marios
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https://hdl.handle.net/2142/50345
Description
Title
Particle image velocimetry for natural convection in a cube at high Rayleigh numbers
Author(s)
Georgiou, Marios
Issue Date
2014-09-16
Director of Research (if dissertation) or Advisor (if thesis)
Georgiadis, John G.
Doctoral Committee Chair(s)
Georgiadis, John G.
Committee Member(s)
Jacobi, Anthony M.
Brewster, M. Quinn
Litchfield, J. Bruce
Department of Study
Mechanical Sci & Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Natural convection
enclosures
Particle Image Velocimetry (PIV)
Proper Orthogonal Decomposition (POD)
Abstract
The study of natural convection in enclosures has attracted the attention of numerous researchers over the past decades due to its applications in many practical engineering problems. Some examples include air conditioning and ventilation systems, electronic cooling devices, heat exchangers and thermal storage.
In the present work an experimental investigation of natural convection
developed in an air filled cube of side H=0.35m is conducted using Particle Image Velocimetry (PIV) to measure the velocity field within the cavity and visualize the dominant flow structures. The low turbulence Rayleigh number regime 5.08E7
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