Development of a fast-stabilized fuel injection system using a solenoid actuator

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A new fuel injection system with a solenoid actuator was developed to reduce jet stabilization times and was compared to a conventional fuel injection system using a fast-acting valve. The jet stabilization time was examined from free-jet images obtained using a flow visualization technique. Using a supersonic wind tunnel, the jet establishment image and trajectory for supersonic flows were obtained. The jet stabilization times were obtained at fuel tank pressures of 500, 700, and 900 kPa and injection orifice diameters of 1 and 2 mm. For all cases, the jets were stabilized at 4-12 ms, which was shorter than the stabilization time (approximately 300 ms) of the conventional system. The injection pressure measurements and jet trajectory comparison showed that the new system could inject fuel at the target pressure more effectively than the conventional fuel system.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2023-10
Language
English
Article Type
Article
Citation

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.37, no.10, pp.5207 - 5218

ISSN
1738-494X
DOI
10.1007/s12206-023-0923-6
URI
http://hdl.handle.net/10203/313843
Appears in Collection
AE-Journal Papers(저널논문)
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