Instrumented Floret Tests of Detonation Spreading
作者:
James Kennedy,
Igor Plaksin,
Keith Thomas,
Eric Martin,
Kien‐Yin Lee,
Adrian Akinci,
Blaine Asay,
Jose Campos,
Jose Direito,
期刊:
AIP Conference Proceedings
(AIP Available online 1904)
卷期:
Volume 706,
issue 1
页码: 1500-1504
ISSN:0094-243X
年代: 1904
DOI:10.1063/1.1780523
出版商: AIP
数据来源: AIP
摘要:
The floret test was originally devised to permit comparison of detonation‐spreading performance of various insensitive explosive materials, using only the dent in a copper witness plate as a metric. Dent depth in the copper plate is directly related to the fraction of a thin acceptor pellet that was detonated by impact of a small explosive‐driven flyer plate. We have now added instrumentation to quantitatively measure the detonation corner‐turning behavior of IHEs. Results of multi‐fiber optical probe measurements are shown for LLM‐105 and UF‐TATB explosive materials. Results are interpreted and compared with predictions from one reaction‐rate model used to describe detonation spreading, and may be advantageous for comparison with other reactive‐flow wave‐code models. Detonation spreading in UF‐TATB occurred with formation of a non‐detonating region surrounding a detonating core, and re‐establishment of detonation in a “lateral” direction beyond that region. © 2004 American Institute of Physics
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