NDLI: Spectroscopic study of combustion diagnostics on hydroxyl radicals

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Spectroscopic study of combustion diagnostics on hydroxyl radicals

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hung, R. J.
Copyright Year	1990
Description	Experimental observations of propane-air flames were performed. Measurements of hydroxyl (OH) radical concentration were made using resonance line absorption techniques. A microwave-pumped low pressure discharge in argon and water vapor is employed to produce strong OH radical band radiation in the 308 nm region. This radiation is transmitted through the plume and absorption data are taken at various radical positions using an optical multichannel analyzer. This absorption data is used to compute OH number density using a model for the absorption band characteristics as a function of temperature based on an atlas of line strengths. A numerical computation of flow fields, temperature profile and OH number density is carried out by using a technique of computational fluid dynamics (CFD). The results of CFD computation are good compared with experimental observation with a good agreement.
File Size	810938
Page Count	35
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900019378
Archival Resource Key	ark:/13960/t1ck39h5b
Language	English
Publisher Date	1990-01-01
Access Restriction	Open
Subject Keyword	Inorganic And Physical Chemistry Combustion Chemistry Turbulent Flow Computational Fluid Dynamics Microwave Equipment Combustion Products Temperature Profiles Water Vapor Flame Spectroscopy Ultraviolet Spectrometers Hydrocarbon Fuels Hydroxyl Radicals Rocket Exhaust Absorption Spectra Liquid Propellant Rocket Engines Argon Propane Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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