Optical Diagnostics Of High Pressure Solid Propellant Flames

J. W. Fleming; W. H. Barber; G. B. Wilmont

doi:10.1117/12.943106

28 June 1984 Optical Diagnostics Of High Pressure Solid Propellant Flames

J. W. Fleming, W. H. Barber, G. B. Wilmont

Proceedings Volume 0482, Applications of Laser Chemistry & Diagnostics; (1984) https://doi.org/10.1117/12.943106
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

Optical diagnostics in the area of high pressure propellant combustion require techniques which are effective in a highly turbulent, luminous, and sooting environments. Broadband, folded Coherent Anti-Stokes Raman Spectroscopy (CARS) shows particular promise in addressing these problem areas. The coherence and high intensity of the pulsed CARS signal make spatial and temporal rejection of interfering light possible. Sample volumes can be small and well defined when non-colinear beam geometrics are used. With pulsed and broad band lasers, the temperature and concentration of a flame species can be measured in a single shot, thus making the CARS technique suitable for the measurement of rapidly changing phenomena. This report describes our experimental setup for CARS measusrements and the progress we have made thus far in the application of CARS to double-base rocket propellant flames.

Citation Download Citation

J. W. Fleming, W. H. Barber, and G. B. Wilmont "Optical Diagnostics Of High Pressure Solid Propellant Flames", Proc. SPIE 0482, Applications of Laser Chemistry & Diagnostics, (28 June 1984); https://doi.org/10.1117/12.943106

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