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http://dx.doi.org/10.6108/KSPE.2017.21.2.111

A Study on Combustion Performance by the Shape of Slit of the Canted Slit Type Pintle Injector  

Yu, Isang (School of Aerospace Engineering, Chungnam National University)
Choi, Jiseon (School of Aerospace Engineering, Chungnam National University)
Kim, Taewoan (School of Aerospace Engineering, Chungnam National University)
Ko, Youngsung (School of Aerospace Engineering, Chungnam National University)
Kim, Sunhoon (School of Aerospace Engineering, Chungnam National University)
Kim, Hyungmo (Engine Parts Research Team, Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.21, no.2, 2017 , pp. 111-118 More about this Journal
Abstract
In this paper, combustion tests were performed to investigate performance characteristics of a canted slit-type pintle injector engine which uses kerosene and liquid oxygen as propellants. The number of slits, slit angle and blockage factor were chosen as design variables of the pintle injector. ${\Delta}SR$ was newly defined as the difference of skip ratio caused by both sides of the tip of the canted slit. The experimental results showed that optimal combustion was performed when the blockage factor is about 1 and the difference is less than 0.26.
Keywords
Pintle Injector; Canted Slit; Blockage Factor; Skip Ratio; ${\Delta}SR$;
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