Fuel Flow Control for Starting a Crankcase-Injected Two-Stroke Spark Ignition Engine Fueled with Kerosene (RP-3)
Publication: Journal of Energy Engineering
Volume 145, Issue 4
Abstract
To investigate the fuel flow control for starting a crankcase-injected two-stroke spark ignition (SI) engine that is fueled with rocket propellant 3 (RP-3), a fuel film compensation model for crankcase injection was presented on the basis of the fuel film theory. A discrete control algorithm was also given in this study. According to fuel film compensation, the control model of the fuel flow for the engine starting process was simulated. The simulation results showed that the fuel film compensator could ensure that sufficient kerosene fuel enters the engine cylinder. Starting experiments on a two-stroke crankcase-injected SI engine fueled with RP-3 were carried out with the cylinder temperature preheated to 50°C. As the estimated percentage of the fuel deposited on the wall was approximately 0.8, and the estimated value of the fuel film evaporation time constant was 1.2, the kerosene-fueled SI engine attained smooth engine starts with a fast transient speed response.
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Acknowledgments
This study was funded by the Introduce Talent Funding for Scientific Research at Nanjing Tech University (Grant No. 3827401744), the National Natural Science Foundation of China (51865031), and the Science and Technology Research Project of Jiangxi Provincial Education Department (Grant No. GJJ170789). The research project was also supported by the Jiangsu Province Key Laboratory of Aerospace Power Systems (Grant No. CEPE2018003).
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Published In
Journal of Energy Engineering
Volume 145 • Issue 4 • August 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Jul 8, 2018
Accepted: Nov 28, 2018
Published online: Apr 25, 2019
Published in print: Aug 1, 2019
Discussion open until: Sep 25, 2019
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