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Effects of Atomization Condition on Burning Behavior of Premixed N-decane Sprays in Counterflow
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mizuta, Yoshimi Nakachi, Nobutoshi Mikami, Masato Kojima, Naoya |
| Copyright Year | 2006 |
| Abstract | ABSTRACT The combustion of the fuel spray/air mixture, termed “premixed spray”, was experimentally studied in counterflow field. It is important to clarify combustion characteristics of the premixed spray, because the group combustion of fuel spray always appears after the transient combustion processes of the premixed spray. The liquid-fuel spray with air stream was introduced from the lower duct to the combustion zone, and the air stream was blown from the upper duct. N-decane was used as a liquid fuel with low volatility. The overall equivalence ratio of the premixed spray from the lower duct was varied with the fuel flow rate. The atomization condition was varied with the atomizing air flow rate in a twin-fluid atomizer placed at the bottom of the lower duct. The total flow rate of the air from the lower duct could be kept constant by adding the supplementary air. The premixed-spray flame consisting of blue flame and yellow luminous flame was established near the stagnation region. The burning behavior and the stabilization of the premixed-spray flame were examined by varying the atomization conditions. The flame spread among droplets was observed by an intensified high-speed video. The stabilization of the premixed-flame was discussed based on the observation of the flame-spread behavior. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://ilasseurope.org/ICLASS/ICLASS2006/DATA/PDF/E4-01-172.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
