Experimental study of vorticity filament
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B. Dernoncourt; J.-F. Pinton; S. Fauve
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Article
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1998
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Elsevier Science
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English
โ 744 KB
We study vorticity fluctuations in a turbulent von K~rm~n swirling flow generated in the gap between coaxial contrarotating disks. The flow is probed acoustically by an ultrasonic incident wave and the scattered pressure reveals intense vorticity concentrations which occur intermittently in the bulk