Artículo
A new device for the generation of microbubbles
Autor/es | Gordillo Arias de Saavedra, José Manuel
Cheng, Zhengdong Gañán-Calvo, Alfonso M. Márquez, M. Weitz, D. A. |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos |
Fecha de publicación | 2004 |
Fecha de depósito | 2017-04-03 |
Publicado en |
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Resumen | In this paper we present a new method for the production of bubble-liquid suspensions (from now
on BLS) composed of micron-sized bubbles and with gas to liquid volume ratios larger than unity.
We show that the BLS gas ... In this paper we present a new method for the production of bubble-liquid suspensions (from now on BLS) composed of micron-sized bubbles and with gas to liquid volume ratios larger than unity. We show that the BLS gas fraction ʎ=Qg and Q1 , being Qg and Q1 the flow rates of gas and liquid, respectively, is controlled by a dimensionless parameter which accounts for the ratio of the gas pressure inside the device to the liquid viscous pressure drop from the orifices where the liquid is injected to the exit, where the BLS is obtained. This parameter permits the correct scaling of the BLS gas volume fraction of all the experiments presented. |
Cita | Gordillo Arias de Saavedra, J.M., Cheng, Z., Gañán-Calvo, Alfonso M., Márquez, M. y Weitz, D.A. (2004). A new device for the generation of microbubbles. Physiscs of fluids, 16 (8), 2828-2834. |
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