Journal
FUEL
Volume 144, Issue -, Pages 222-227Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2014.12.061
Keywords
Combustion; Pre-ignition; Super-knock; Deflagration; Detonation
Categories
Funding
- National Natural Science Foundation of China [51036004]
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Occurrence of sporadic super-knock is the main obstacle in the development of advanced gasoline engines. By utilizing a rapid compression machine, events of pre-ignition and super-knock in a closed system under high temperature and high pressure were captured by synchronous high-speed direct photography and pressure measurement, with the results demonstrating that the mechanism of super-knock is constituted by hotspot-induced deflagration to detonation followed by high-pressure oscillation (DDP). (c) 2014 Elsevier Ltd. All rights reserved.
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