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Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

Self-sustained oscillations excited by turbulent buoyant plumes in thermocline-like stratified fluid

page 4
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.790
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摘要

Laboratory scale modeling of the non-stationary dynamics of turbulent buoyant plumes in stratified fluid revealed excitation of the internal waves in the tank. A measured dependence of the oscillations’ amplitude on the control parameter is typical of the self-sustained regime. It is demonstrated theoretically and by means of DNS that the flow might support self-sustained modes.

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