Adhesive Structure Acoustic Parameters Measurement and Analysis of SRM Based on Ultrasonic Wave

Zhou Yang Bi; Jian Hui  Chen; Guang Long  Wang; Chun Hua YU

doi:10.4028/www.scientific.net/AMM.602-605.2348

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605Adhesive Structure Acoustic Parameters Measurement...

Adhesive Structure Acoustic Parameters Measurement and Analysis of SRM Based on Ultrasonic Wave

Abstract:

The multilayer adhesive structure of solid rocket motors (SRM) is studied in this paper. The ultrasonic pulse-echo measuring method was described to measuring multilayer adhesive structure acoustic parameters. The sound velocity of the thermal barrier and cladding layer was measured. The acoustic impedance and acoustic attenuation coefficient was gained by theoretical calculation. A method of equivalent thermal barrier was proposed to analyzing the transmission coefficient and the reflection coefficient. The experimental results indicate that the method of equivalent thermal barrier can simplify the SRM theoretical model of multilayer adhesive structure, and thus it can effectively provide a good help for SRM structure acoustic research.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

2348-2351

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.2348

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Online since:

August 2014

Authors:

Zhou Yang Bi*, Jian Hui Chen, Guang Long Wang, Chun Hua YU

Keywords:

Acoustic Parameters, Adhesive Structure, Pulse-Echo, Solid Rocket Motor (SRM)

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* - Corresponding Author

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