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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.i4-6.40
pages 480-487

Characterization of Direct-Injection Gasoline Sprays under Different Ambient and Fuel Injection Conditions

J.-H. Yoo
Mechanical Engineering Department, Wayne State University, Detroit, MI
Fu-Quan Zhao
Department of Mechanical Engineering, Wayne State University, Detroit, MI 48202
Y. Liu
Mechanical Engineering Department, Wayne State University, Detroit, MI
Ming Chia Lai
Department of Mechanical Engineering, Wayne State University, Detroit, MI 48202
K.-S. Lee
Hyundai America Technical Center, Inc., Ann Arbor, MI

Краткое описание

The spray characteristics of a high-pressure fuel injector for direct-injection gasoline engines were tested under different ambient and fuel injection conditions. The global spray structure was visualized using laser Mie scattering technique and the spray atomization process was characterized by Phase Doppler analyzer. The transient spay structure was investigated as a function of time after fuel injection start. Two apparent counter-rotating recirculation zones were observed at the later stage or after the end of fuel injection inside the sprays with a small momentum and the dependence of droplet size and velocity on the fuel injection pressure is complex and changes with the measurement location.


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