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Flame temperature distributions of biodiesel fuel in a single-cylinder diesel engine

Title
Flame temperature distributions of biodiesel fuel in a single-cylinder diesel engine
Author
박성욱
Keywords
Biodiesel; Injection timing; Flame temperature; Optical engine; Endoscope
Issue Date
2013-06
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Fuel Processing Technology, June 2013, 110, p.227-234
Abstract
An experimental investigation was conducted on the effect of injection timings and pressure on flame temperature of biodiesel. To estimate flame temperatures accurately during the combustion processes, an optical HSDI diesel engine composed of an endoscope and a high-speed CCD camera was used. In addition, the AVL-ThermoVision software allowed measurement of discrete flame temperatures from images taken during the combustion processes. NOx and soot concentration, which are directly related to the flame temperature, were also measured using exhaust emission analyzers, in order to study the correlation between emissions characteristics and the temperature under various injection timings.The results of this study show the characteristics of flame temperature values and distribution for biodiesel and ULSD fuel owing to the difference of their physical properties and injection strategies. Additionally, the study of high pressure injection was performed under the same conditions. When the injection pressure increased, more homogeneous combustion was observed.
URI
https://www.sciencedirect.com/science/article/pii/S0378382012004663http://hdl.handle.net/20.500.11754/46506
ISSN
0378-3820
DOI
10.1016/j.fuproc.2012.12.019
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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