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http://dx.doi.org/10.6108/KSPE.2014.18.2.060

Combustion Stability Rating Test of Liquid Rocket Engine Thrust Chamber  

Ahn, Kyubok (School of Mechanical Engineering, Chungbuk National University)
Kim, Jong-Gyu (Combustion Chamber Department, Korea Aerospace Research Institute)
Choi, Hwan-Seok (Combustion Chamber Department, Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.18, no.2, 2014 , pp. 60-66 More about this Journal
Abstract
As a evaluation method of combustion stability in a liquid rocket engine thrust chamber, external disturbance devices are used. In the paper, the study on pulse-gun ignition tests for a combustion stability rating test of a thrust chamber was performed. Charging volume of pulse-guns was determined by confirming the intensities of the pressure waves from the ignition tests in the cold-flow conditions. While using same injector head, combustion instabilities were not encountered during 14 hot-firing tests without pulse-guns but combustion instabilities were triggered by pulse-gun ignition during 2 hot-firing tests. The results showed that the pulse-gun ignition test could be the evaluation method and could reduce the hot-firing test number for the stability rating of a thrust chamber.
Keywords
Combustion Stability Rating Test; Thrust Chamber; Pulse-gun; Combustion Instability;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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