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Atomization and Sprays
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ISSN Print: 1044-5110
ISSN Online: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.2015011145
pages 777-793

EXPERIMENTAL STUDY ON INJECTION AND MACROSCOPIC SPRAY CHARACTERISTICS OF ETHYL OLEATE, JET FUEL, AND THEIR BLEND ON A DIESEL ENGINE COMMON RAIL SYSTEM

Yaozong Duan
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
Dong Han
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
Pengfei Li
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China; State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China
Chunhai Wang
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Minhang District, 200240 Shanghai, People's Republic of China
He Lin
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
Zhen Huang
Key Laboratory of Power Machinery and Engineering, Ministry of Education, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Minhang District, 200240 Shanghai, People's Republic of China

ABSTRACT

Injection and macroscopic spray characteristics of ethyl oleate, jet fuel, and ethyl oleate-jet fuel blend are investigated on a common rail injection system, with changed injection pressures and ambient pressures. The volumetric and mass injection rates, as well as the macroscopic spray parameters, such as the spray penetration distance, spray cone angle, projected spray area, spray front velocity, maximum spray width, and light intensity level of different test fuels, are analyzed in detail. It is found that fuel property places an important influence on injection characteristics. Similarly, the fuel physical properties also lead to some distinctions in the macroscopic spray parameters.


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