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http://dx.doi.org/10.6108/KSPE.2018.22.1.072

OH-and CH-Radical Chemiluminescence Characteristics in the Spray Combustion of Ultransonically Atomized Kerosene  

Kim, Min Cheol (Department of Material Engineering, Pukyong National University)
Kim, Jeong Soo (Department of Mechanical Engineering, Pukyong National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.22, no.1, 2018 , pp. 72-79 More about this Journal
Abstract
An experimental study was performed to investigate the chemiluminescence characteristics in the spray combustion of ultransonically atomized kerosene. The radical intensity of the spray flame was measured using an ICCD camera and the amount of fuel consumed was obtained by a precise flow-rate measurement technique during combustion. Fuel consumption increased linearly with the increase in carrier-gas flow rate, and typical group combustion, which is a characteristic of spray combustion, was observed. It was found from the analysis of chemiluminescence that the maximum emission intensities of OH and CH radicals decrease, and they move downstream resulting in the increase in a vivid reaction zone as the spray flow rate increases.
Keywords
Ultrasonic Atomization; Spray Combustion; Kerosene; Chemiluminescence; Slit-jet;
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Times Cited By KSCI : 1  (Citation Analysis)
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