OPTIMEX: Measurement of Detonation Front Curvature with a Passive Fiber Optical System | Zendy

Jiří Pachmáň | Zendy; Martin Künzel | Zendy; K Kubát | Zendy; Jakub Šelešovský | Zendy; Roman Maršálek | Zendy; Martin Pospíšil | Zendy; Michal Kubíček | Zendy; Aleš Prokeš | Zendy

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OPTIMEX: Measurement of Detonation Front Curvature with a Passive Fiber Optical System

Author(s) -

Jiří Pachmáň,

Martin Künzel,

K Kubát,

Jakub Šelešovský,

Roman Maršálek,

Martin Pospíšil,

Michal Kubíček,

Aleš Prokeš

Publication year - 2016

Publication title -

central european journal of energetic materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 25

eISSN - 2353-1843

pISSN - 1733-7178

DOI - 10.22211/cejem/62776

Subject(s) - detonation , curvature , materials science , front (military) , fiber , optics , mechanics , explosive material , physics , composite material , geometry , chemistry , mathematics , meteorology , organic chemistry

The ability of a newly developed independent passive optical system OPTIMEX to measure the detonation front curvature is demonstrated on charges of pressed explosive A-IX-1 (RDX/ceresin-stearin mixture with 95/5 wt.%). The charges, with length to diameter ratios of from one to four, were prepared from cylinders with diameters of 21 mm, 30 mm, 40 mm and 50 mm pressed to a density of 1.66 g/cm3. Such charges detonate with a velocity of 8220 m/s. The detonation curvature was obtained using 8 optical fibers and the results were compared with photographs acquired by an ultra-high speed framing camera UHSi 12/24.

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