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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
Том 46, 2019 Том 45, 2018 Том 44, 2017 Том 43, 2016 Том 42, 2015 Том 41, 2014 Том 40, 2013 Том 39, 2012 Том 38, 2011 Том 37, 2010 Том 36, 2009 Том 35, 2008 Том 34, 2007 Том 33, 2006 Том 32, 2005 Том 31, 2004 Том 30, 2003 Том 29, 2002 Том 28, 2001 Том 27, 2000 Том 26, 1999 Том 25, 1998 Том 24, 1997 Том 23, 1996 Том 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v24.i4-6.280
pages 727-734

Experimental Study of the Near Field of a Breaking Liquid Sheet

Antonio Lozano
Laboratorio de Investigación en Fluidodinámica y Tecnologías de la Combustión (LIFTEC), Consejo Superior de Investigaciones Científicas (CSIC) - Universidad de Zaragoza, Zaragoza, Spain
Felix Barreras
Laboratorio de Investigación en Fluidodinámica y Tecnologías de la Combustión (LIFTEC), Consejo Superior de Investigaciones Científicas (CSIC) - Universidad de Zaragoza, Zaragoza, Spain
A. J. Yates
LITEC/CSIC, Zaragoza, Spain
J. I. Garcia-Palacin
Centro Politécnico Superior de Ingenieros, Area de Mecénica de Fluidos Universidad de Zaragoza, Zaragoza, Spain
N. Andres
Centro Politécnico Superior de Ingenieros, Area de Mecénica de Fluidos Universidad de Zaragoza, Zaragoza, Spain

Краткое описание

An experimental study has been performed to improve the understanding of the initial air/liquid interaction in a breaking water sheet. This study is focused in the near field close to the exit slit, because it is in this region where instabilities develop and grow, leading to the sheet break-up. Planar laser-induced fluorescence has been used to visualize the air flow field. Acetone vapor seeded in the air streams has been used as fluorescent tracer. Mie scattering from the liquid sheet and water droplets, together with the acetone fluorescence signal has enabled simultaneous determination of the instantaneous water sheet location and the air flow structure. Images have been acquired slicing the flow both longitudinally and transversally. Particle imaging velocimetry measurements have been obtained to determine the air velocity both in absence and in presence of the water sheet.


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