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Brief Communications

Anomalous hydrodynamic drag due to differential diffusion

L. Kh. Ingel'

Institute of Experimental Meteorology, Scientific and Production Association "Typhoon", Obninsk, Kaluga oblast, 249038, Russia

Abstract: The response of a stratified two-component fluid (for example, salt water) to the action of a localized vertical force is considered. If the transport coefficients of two substances (heat and salt) differ considerably, specific disturbances of the buoyancy that influence the hydrodynamic drag of the medium may arise.

Received: 20.05.2009

 English version: Technical Physics, 2010, 55:2, 309–311

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