Low frequency Instability in Hybrid Rocket Post-chamber Configuration

Park, Kyung-Su; Lee, Changjin

doi:10.5139/jksas.2014.42.1.29

Journal of the Korean Society for Aeronautical & Space Scie

2014

DOI: 10.5139/jksas.2014.42.1.29

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Low frequency Instability in Hybrid Rocket Post-chamber Configuration

Kyung-Su Park¹,

Changjin Lee²

Abstract: It is required to investigate the low frequency oscillation mechanism in the future study.

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2015

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Flow Visualization by Light Emission in the Post-chamber of Hybrid Rocket

Park¹,

Choi²,

Lee

2015

Journal of the Korean Society for Aeronautical & Space Scie

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Hybrid rocket combustion displays low frequency instability(LFI, 10~30Hz) at a certain condition. Vortex shedding in the post-chamber is suspected to cause the occurrence of Also POD analysis shows that dominant symmetric spatial modes in the stable combustion shift suddenly into asymmetric spatial pattern with the appearance of LFI. Especially, the appearance of mode 3 is a typical change of flow dynamics in unstable combustion representing a rotational fluid motions associated with vortex shedding.

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Flow Visualization by Light Emission in the Post-chamber of Hybrid Rocket

Park¹,

Choi²,

Lee

2015

Journal of the Korean Society for Aeronautical & Space Scie

View full text Add to dashboard Cite

show abstract

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Low frequency Instability in Hybrid Rocket Post-chamber Configuration

Abstract: It is required to investigate the low frequency oscillation mechanism in the future study.

Cited by 1 publication

References 1 publication

Flow Visualization by Light Emission in the Post-chamber of Hybrid Rocket

Flow Visualization by Light Emission in the Post-chamber of Hybrid Rocket

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