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Raman monitoring and evaluation of the aging effects of rocket propellant stabilizers
Author(s): Jonathan Mills; Carlton Farley; Aschalew Kassu; Michael Curley; Anup Sharma; Paul Ruffin; Christopher Marshall; Jeremy Rice; Brian McDonald
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Paper Abstract

Stabilizers are added to nitrate ester-based rocket motor propellants to form a stable product. The products added to stabilize the propellants react with NOx and are gradually exhausted over a period of time. In this paper, we demonstrate the efficacy of Raman spectroscopy technique for nondestructive, inexpensive, and rapid evaluation and monitoring of the depletion of rocket motor propellant stabilizers. Preliminary results show that concentrations as low as 0.1% of both MNA and 2-NDPA dissolved in DMSO (Dimethyl sulfoxide) can easily be detected at 1 second integration time using a 785 nm wavelength Raman system. In addition, MNA concentrations between 0.37% and 0.54% are detected in propellant samples containing energetic constituents using a 60 second integration time.

Paper Details

Date Published: 23 August 2017
PDF: 9 pages
Proc. SPIE 10382, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI, 1038210 (23 August 2017); doi: 10.1117/12.2274931
Show Author Affiliations
Jonathan Mills, Alabama A&M Univ. (United States)
Carlton Farley, Alabama A&M Univ. (United States)
Aschalew Kassu, Alabama A&M Univ. (United States)
Michael Curley, Alabama A&M Univ. (United States)
Anup Sharma, Alabama A&M Univ. (United States)
Paul Ruffin, Alabama A&M Univ. (United States)
Christopher Marshall, U.S. Army Research, Development and Engineering Command (United States)
Jeremy Rice, U.S. Army Research, Development and Engineering Command (United States)
Brian McDonald, U.S. Army Research, Development and Engineering Command (United States)


Published in SPIE Proceedings Vol. 10382:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI
Shizhuo Yin; Ruyan Guo, Editor(s)

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