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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F10%3A39882464%21RIV11-MSM-25310___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
The heat transfer in explosives can be described by Fourier equation with the additional term for the heat generated by decomposition of the explosive. This equation can be solved numerically. The density, thermal conductivity and heat capacity, together with the description of decomposition reaction kinetics (heat of reaction, activation energy, preexponential factor and reaction model) are to be known to characterize the material. However an importance of these individual parameters on the solution has not been published in a self-contained form. The influence of the individual material properties on the solution is studied. As a standard, a simulation of the slow cookoff test of Semtex 1A using one dimensional finite difference method was used. The results of the simulation corresponds to experimental data. The material parameters were varied and the influence of these variation on the calculated ignition temperature is evaluated and discussed. The heat transfer in explosives can be described by Fourier equation with the additional term for the heat generated by decomposition of the explosive. This equation can be solved numerically. The density, thermal conductivity and heat capacity, together with the description of decomposition reaction kinetics (heat of reaction, activation energy, preexponential factor and reaction model) are to be known to characterize the material. However an importance of these individual parameters on the solution has not been published in a self-contained form. The influence of the individual material properties on the solution is studied. As a standard, a simulation of the slow cookoff test of Semtex 1A using one dimensional finite difference method was used. The results of the simulation corresponds to experimental data. The material parameters were varied and the influence of these variation on the calculated ignition temperature is evaluated and discussed.
dcterms:title
Analysis of heat transfer in explosives Analysis of heat transfer in explosives
skos:prefLabel
Analysis of heat transfer in explosives Analysis of heat transfer in explosives
skos:notation
RIV/00216275:25310/10:39882464!RIV11-MSM-25310___
n3:aktivita
n12:Z
n3:aktivity
Z(MSM0021627501)
n3:dodaniDat
n9:2011
n3:domaciTvurceVysledku
n13:3008002 n13:3571378
n3:druhVysledku
n19:D
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
246406
n3:idVysledku
RIV/00216275:25310/10:39882464
n3:jazykVysledku
n18:eng
n3:klicovaSlova
simulations; heat transfer; explosives
n3:klicoveSlovo
n11:simulations n11:heat%20transfer n11:explosives
n3:kontrolniKodProRIV
[C0295B8CB3FF]
n3:mistoKonaniAkce
Pardubice
n3:mistoVydani
Pardubice
n3:nazevZdroje
Proceedings of the 13th Seminar New Trends of Research of Energetic Materials
n3:obor
n21:CI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n9:2010
n3:tvurceVysledku
Mareček, Roman Šelešovský, Jakub
n3:typAkce
n20:EUR
n3:zahajeniAkce
2010-04-21+02:00
n3:zamer
n15:MSM0021627501
s:numberOfPages
7
n7:hasPublisher
Univerzita Pardubice
n17:isbn
978-80-7395-249-5
n8:organizacniJednotka
25310