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|Title: ||Velociety oscillations in turbulent rayleigh-benard convection|
|Authors: ||Qiu, X.-L.|
|Keywords: ||Velocity oscillations|
Turbulent thermal convection
|Issue Date: ||2003 |
|Abstract: ||A systematic study of velocity oscillations in turbulent thermal convection is
carried out in small aspect-ratio cells filled with water. Local velocity fluctuations and temperature-velocity cross-correlation functions are measured over varying Rayleigh numbers and spatial positions across the entire convection cell. These structural measurements reveal how the thermal plumes interact with the bulk fluid in a closed cell and provide an interesting physical picture for the dynamics of the temperature and velocity oscillations in turbulent convection.
PACS numbers: 47.27.-i, 44.25.+f, 05.40.-a.|
|Appears in Collections:||PHYS Preprints|
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