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http://dx.doi.org/10.6108/KSPE.2013.17.1.089

Research on the Low-Frequency Combustion Characteristics of an Oxygen-Rich Preburner  

Moon, Insang (한국항공우주연구원 미래로켓연구팀)
Moon, Ilyoon (한국항공우주연구원 미래로켓연구팀)
Ha, Seong-Up (한국항공우주연구원 미래로켓연구팀)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.17, no.1, 2013 , pp. 89-96 More about this Journal
Abstract
Combustion pressures were measured to study combustion stability for an oxygen rich preburner by both of static and dynamic pressure sensors. The resolutions of each static and dynamic pressure sensor are the 1,000 Hz and 25,600 Hz, respectively. The nominal combustion pressure of the preburner was 200 bar but 80 bar was used at the several initial tests for the safety reason. Two stage ignition was applied to reduce the ignition impact for every tests including the tests with 200 bar combustion pressure. The tests lasted for 10 sec. max. and a little fluctuations of pressure was observed during the main mode. The measured pressures were studied by FFT analysis and no noticeable frequency coupling was found. Thus the preburner can be regarded as stable and it can be utilized for further study on staged combustion cycle liquid rocket engine.
Keywords
Preburner; Liquid Rocket Engine; LOx; Oxygen Rich Combustuion; Lean burn;
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Times Cited By KSCI : 2  (Citation Analysis)
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