Experimental study on the combustion characteristics of emulsified diesel in a rapid compression and expansion machine
SCIE
SCOPUS
- Title
- Experimental study on the combustion characteristics of emulsified diesel in a rapid compression and expansion machine
- Authors
- Park, JW; Huh, KY; Park, KH
- Date Issued
- 2000-01
- Publisher
- PROFESSIONAL ENGINEERING PUBLISHING L
- Abstract
- The combustion characteristics of emulsified diesel fuels are investigated in a rapid compression and expansion machine (RCEM). Among the test cases, the 40 water-oil (WO) fuel injected at 20 degrees before top dead centre (BTDC) has shown the best performance with respect to efficiency and NO, and soot emissions. The pressure trace of the 40 W/O fuel is characterized by a longer ignition delay and a lower rate of pressure rise in premixed combustion. High-speed photographs show reduced flame luminosity and lower flame temperature with increasing W/O ratio. Microexplosions of emulsified fuel droplets, which affect the local shape and brightness of the flame, are identified in magnified flame images.
- Keywords
- emulsified diesel; rapid compression and expansion machine (RCEM); high-speed photographs; microexplosions
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19872
- DOI
- 10.1243/0954407001527862
- ISSN
- 0954-4070
- Article Type
- Article
- Citation
- PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING, vol. 214, no. D5, page. 579 - 586, 2000-01
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