Comparison of piezoelectric and crusher measurements of chamber pressure with finite element modeling results

F. Coghe, L. Elkarous, P. Van De Maat, A. Khadimallah, M. Pirlot

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Résumé

It is widely known that the result of a chamber pressure measurement is dependent upon the used measurement technique. This work compares pressure measurements made with two different types of piezoelectric transducers (C.I.P. and SAAMI) to measurements made using copper crushers. Dynamic material characterization followed by finite element modeling of the dynamic compression of the copper crusher inside the chamber was used in an effort to elucidate on the different peak pressures determined with these different measurement techniques. Although the finite element model validated the conversion table supplied with the copper crushers, the results did not permit to make any statistically relevant conclusions on the accuracy of the different measurement techniques.

langue originaleAnglais
titreInterior Ballistics, Exterior Ballistics, Launch Dynamics, Vulnerability and Survivability, Explosion Mechanics
rédacteurs en chefMatthias Wickert, Manfred Salk
EditeurDEStech Publications Inc.
Pages135-146
Nombre de pages12
ISBN (Electronique)9781605951065
étatPublié - 2013
Evénement27th International Symposium on Ballistics, BALLISTICS 2013 - Freiburg, Allemagne
Durée: 22 avr. 201326 avr. 2013

Série de publications

NomProceedings - 27th International Symposium on Ballistics, BALLISTICS 2013
Volume1

Une conférence

Une conférence27th International Symposium on Ballistics, BALLISTICS 2013
Pays/TerritoireAllemagne
La villeFreiburg
période22/04/1326/04/13

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