Ultraviolet-Visible Spectrometry Characterization of Combustion in Hybrid Rocket Motors | Zendy

Edmond W. Wilson | Zendy; Brett Keller | Zendy; Kellen M. Harkness | Zendy; Christopher Smeal | Zendy; Megan Easterly | Zendy; James E. Mackey | Zendy

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Ultraviolet-Visible Spectrometry Characterization of Combustion in Hybrid Rocket Motors

Author(s) -

Edmond W. Wilson,

Brett Keller,

Kellen M. Harkness,

Christopher Smeal,

Megan Easterly,

James E. Mackey

Publication year - 2006

Publication title -

citeseer x (the pennsylvania state university)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2006-4343

Subject(s) - ultraviolet , combustion , mass spectrometry , rocket (weapon) , characterization (materials science) , aerospace engineering , ultraviolet radiation , materials science , ultraviolet visible spectroscopy , optoelectronics , chemistry , engineering , nanotechnology , chromatography , radiochemistry , organic chemistry

,Small, portable ultraviolet and visible spectrometers can be used to characterize the combustion and regression rates of hybrid rocket and other combustion emission plumes. In this study, two spectrometers, operating in the ultraviolet and visible ranges, were used to measure the hydroxyl radical emission spectrum and the broadband visible emission spectrum of hybrid rocket motors under a variety of oxidizer to fuel ratios. Time and spatial profiles were measured along with regression rates. Correlations were drawn between broadband emission spectra and regression rates. The distribution of hydroxyl radical concentrations was measured as a function of distance from the rocket nozzle, fuel to oxidizer ratio and time into the burn. The fuel grains used were polymethylmethacrylate, PMMA.

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