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Energies 2017, 10(12), 2104; doi:10.3390/en10122104

A Study of Spill Control Characteristics of JP-8 and Conventional Diesel Fuel with a Common Rail Direct Injection System

1
Leaders in Industry-University Cooperation (LINC) of Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 501-759, Korea
2
Department of Mechanical and Automotive Engineering, Songwon University, Songarm-ro, Gwangju-ci 61756, Korea
*
Author to whom correspondence should be addressed.
Received: 19 October 2017 / Revised: 6 December 2017 / Accepted: 7 December 2017 / Published: 11 December 2017
(This article belongs to the Section Energy Fundamentals and Conversion)
View Full-Text   |   Download PDF [14458 KB, uploaded 11 December 2017]   |  

Abstract

Diversification of energy sources is a key task for decreasing environmental impacts and global emission of gases. JP-8, a fuel derived from natural gas, coal, biomass, and waste plastics, is a bright prospect. JP-8 is considered a multi-source multi-purpose fuel, with several applications. A preliminary characterization of the JP-8 injection rate and injection quantity behavior was investigated based on the high-pressure common rail injection system used in a heavy-duty engine. According to the spill injection and injection pressure, a trade-off trend between injection rate and injection quantity was observed. As expected, pilot injection of JP-8 aviation fuel and diesel fuel affects the spray quantity and injection evolution of the subsequent operation without pilot injection. The difference in spilling between diesel and JP-8 aviation fuel is greater than the difference in injection amount per time; in the process of controlling the injector solenoid through ECU (Electric Control Units), the oil pressure valve and the needle valve operate to a higher extent in order to maintain the diesel fuel’s injection quantity volume. It was found that the total injection quantity was decreased by adding 20% pilot injection duration. Because the pilot injection quantity causes solenoid response, loss and needle lift stroke friction loss. View Full-Text
Keywords: aviation fuel; common rail injection system; injection quantity; injection rate; alternative fuel; internal combustion engine; heavy duty engine; spill injection aviation fuel; common rail injection system; injection quantity; injection rate; alternative fuel; internal combustion engine; heavy duty engine; spill injection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yang, S.; Moon, H.; Lee, C. A Study of Spill Control Characteristics of JP-8 and Conventional Diesel Fuel with a Common Rail Direct Injection System. Energies 2017, 10, 2104.

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