Spray Characteristics of n-Butanol in a High-Pressure Common-Rail Injection System
Publication: Journal of Energy Engineering
Volume 143, Issue 5
Abstract
This study was conducted to investigate the spray characteristics of n-butanol, using a diesel spray for comparison. Spray tip penetration and spray cone angle were tested and analyzed. A high-speed photographic system was employed to observe the spray evolution, and a common-rail system and constant-volume chamber were used to change the pressure. The results show that the n-butanol spray penetrates faster than the diesel spray while under the same conditions. The experimental trend lines support the axial development model constructed by Hiroyasu and Arai on the grounds of a similar proportional relation to time after the start of injection, and the empirical equations provide reasonable approximations to the experimental measurements of the spray tip penetration.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (No. 51376171).
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Published In
Journal of Energy Engineering
Volume 143 • Issue 5 • October 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Dec 5, 2016
Accepted: Mar 24, 2017
Published online: Jun 28, 2017
Published in print: Oct 1, 2017
Discussion open until: Nov 28, 2017
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