图书馆订阅: Guest
Begell Digital Portal Begell 数字图书馆 电子图书 期刊 参考文献及会议录 研究收集
雾化与喷雾
影响因子: 1.737 5年影响因子: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 2.2

ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

卷:
卷 30, 2020 卷 29, 2019 卷 28, 2018 卷 27, 2017 卷 26, 2016 卷 25, 2015 卷 24, 2014 卷 23, 2013 卷 22, 2012 卷 21, 2011 卷 20, 2010 卷 19, 2009 卷 18, 2008 卷 17, 2007 卷 16, 2006 卷 15, 2005 卷 14, 2004 卷 13, 2003 卷 12, 2002 卷 11, 2001 卷 10, 2000 卷 9, 1999 卷 8, 1998 卷 7, 1997 卷 6, 1996 卷 5, 1995 卷 4, 1994 卷 3, 1993 卷 2, 1992 卷 1, 1991

雾化与喷雾

DOI: 10.1615/AtomizSpr.2018025304
pages 217-240

CHARACTERISTICS OF FREE SPRAY DEVELOPMENT, MIXTURE FORMATION, AND COMBUSTION UNDER HIGH-PRESSURE SPLIT INJECTION

Kang Yang
Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212000, China; Hudong Heavy Machinery Co., Ltd., Building 346, 2851 Pudong Avenue, Pudong New Area, Shanghai, 200129, China
Hirotaka Yamakawa
Mazda Motor Corporation, 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima 735-0028, Japan
Keiya Nishida
Department of Mechanical System Engineering, University of Hiroshima, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Youichi Ogata
Department of Mechanical System Engineering, University of Hiroshima, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan

ABSTRACT

The objective of this study is to gain an enhanced understanding of the characteristics of free spray development, mixture formation, and combustion under high-pressure split injection. The fuel was injected into a constant volume vessel by a single-hole nozzle with a hole diameter of 0.111 mm. The injection process comprised a pre-injection followed by the main injection. The main injection was carried out either as (i) a single main injection, with injection pressure of either 100 MPa or 160 MPa, or (ii) a split main injection with injection pressure of 160 MPa defined by the mass fraction ratio of 75:25. A high-speed camera was used to observe the spray development under non-evaporation conditions. The tracer LAS technique was used to observe the spray mixture formation process. The diesel spray combustion and soot formation processes were studied using a high-speed video camera and examined by two-color pyrometry. The experimental results revealed that split injection can make the vapor phase more homogeneous. Split injection could enhance the combustion and decrease the soot emissions. The soot evolution process was divided into three parts under the single main injection, but into six parts during the split main injection. The effect of the split injection on the soot evolution process ended at the same time when the injection duration is same.


Articles with similar content:

EFFECT OF SPLIT INJECTION ON DIESEL SPRAY AND COMBUSTION IN 2D PISTON CAVITY
Atomization and Sprays, Vol.29, 2019, issue 10
Keiya Nishida, Hirotaka Yamakawa, Kang Yang
INVESTIGATIONS OF COMMON-RAIL FUEL INJECTION TECHNIQUE IN DI-DIESEL-ENGINES
Proceedings of Symposium on Energy Engineering in the 21st Century (SEE2000) Volume I-IV, Vol.0, 2000, issue
Franz Mayinger, B. Ofner, S. Eisen
THE EFFECT OF FLASH BOILING ON THE ATOMIZATION PERFORMANCE OF GASOLINE DIRECT INJECTION MULTISTREAM INJECTORS
Atomization and Sprays, Vol.24, 2014, issue 6
Jerome Helie, Graham Wigley, Mehdi Mojtabi
SPRAY CHARACTERISTICS OF A GROUP-HOLE NOZZLE FOR DIRECT-INJECTION DIESEL ENGINES
Atomization and Sprays, Vol.16, 2006, issue 1
Shinsuke Nomura, Keiya Nishida, Tomoaki Ito, Yuyin Zhang
EFFECT OF FUEL PROPERTIES ON SPRAY CHARACTERISTICS OF ALTERNATIVE JET FUELS USING GLOBAL SIZING VELOCIMETRY
Atomization and Sprays, Vol.24, 2014, issue 7
Kumaran Kannaiyan, Reza Sadr