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1
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Archivum Combustionis
EN Two methods of determination of the detonation energy of explosives are discussed in the paper. the first one is a calorimetric method, in the second one the results of a so-called cylinder test are used. A calorimetric system for measurement of the heat of detonation of explosive charges is applied[...]
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Central European Journal of Energetic Materials
EN Energy transfer mechanisms to internal molecular degrees of freedom in shock and detonation waves in polyatomic liquids are investigated. The proposed approach uses a new version of the method of nonequilibrium molecular dynamics based on the simplest model potential energy surfaces of reacting poly[...]
3
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Central European Journal of Energetic Materials
EN The research on gaseous detonation has recently become a very important issue, mainly due to safety reasons in connexion with increasing importance of gaseous fuels. To simulate detonation, the Direct Monte-Carlo Simulation technique has been used. This technique is known to be a very powerful tool [...]
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Journal of KONES
EN The first research studies on utilization of gas detonation in production of coatings on steel substrate were conducted in the fifties of the last century. In the first half of the 20th century the first constructions of the detonation guns were presented and patented and the first results of the pr[...]
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Journal of KONES
EN In this paper survey of jet engines based on detonation combustion is provided. After short historical view, basic schemes of engines utilizing detonation are described. Possible improvement of propulsion efficiency due to detonative combustion which results in pressure increase is presented and com[...]
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Biuletyn Wojskowej Akademii Technicznej
PL Z quasistatycznego cyklu dla detonacji wyprowadzono wzory na pracę ekspansji i energię detonacji skondensowanych materiałów wybuchowych. Następnie zaproponowano nową, półempiryczną metodę wyznaczania zdolności miotających produktów detonacji oraz energii detonacji. Podstawą metody są wyniki tzw. tes[...]
EN In the work the expressions for expansion work and detonation energy of condensed explosives are established from a quasistatic cycle for detonation. New semiempirical methods of determination of metal acceleration abilities of detonation products and the detonation energy are proposed. Results of s[...]
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Engineering Transactions
EN The deflection angle of a metal plate launched by the products of detonation grazing along the surface of the plate has been estimated theoretically. The influence of parameters characterising the plate and an explosive charge on quantitative characteristics of the launching process has been analyse[...]
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Biuletyn Wojskowej Akademii Technicznej
PL Podjęto próbę optymalizacji metody reklystalizacji nowego materiału wybuchowego FOX-7 pod kątem uzyskania produktu o obniżonej wrażliwości na bodźce zewnętrzne. Zbadano wrażliwość oraz charakterystyki użytkowe otrzymanego materiału wybuchowego. Wyznaczono m. in. wrażliwość na tarcie i uderzenie, prę[...]
EN An attempt has been undertaken to optimize the reclystalization method of the new FOX-7 explosive in order to obtain a product of lowered sensitivity at the external stimulus's. The sensitivity and the utilizing characteristics of the obtained explosive have been investigated. Among others the sensi[...]
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Problemy Techniki Uzbrojenia
2009 R. 38, z. 111 105--111
PL W pracy przedstawiono wyniki badań wpływu otoczki wodnej na prędkość detonacji wybranych materiałów wybuchowych (MW). Zamieszczone wyniki dotyczą materiałów wybuchowych o różnej prędkości detonacji: saletrolu, emulinitu i plastycznego materiału wybuchowego (MWP SW). W wyniku przeprowadzonych badań s[...]
EN Influence of layer’s water for detonation velocity of some explosives was studied. Results are concerned to explosives with different detonation velocity. From the study resulted that detonation velocity of some explosives is bigger in water than in air. Ivestigated system, after optimalisation, wil[...]
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Biuletyn Wojskowej Akademii Technicznej
PL W pracy zbadano właściwości detonacyjne nowych kompozycji wybuchowych zawierających NTO (3-nitro- 1,2,4-triazol-5-on), trotyl i heksogen. Wyznaczono dla nich prędkość i ciśnienie detonacji, zdolności miotające, energię detonacji oraz równanie stanu produktów detonacji. Określono wrażliwość nowych mi[...]
EN The detonation properties of new explosive compositions containing NTO (3-Nitro-, 2, 4-triazol 5-on), TNT and hexogen were examined. A detonation velocity and pressure, the throwing abilities, detonation energy as well as the equation of state for detonation products were determined. The sensitivity[...]
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Biuletyn Wojskowej Akademii Technicznej
PL W pracy badano w sposób doświadczalny zmianę przyśpieszenia i przemieszczenia (ugięcia) płyt laminatowych i stalowych po odbiciu się od nich fali podmuchowej generowanej detonacją ładunku materiału wybuchowego. Do ciągłego pomiaru przyśpieszenia zastosowano akcelerometry, przemieszczenia zaś mierzon[...]
EN Experimental examination was carried out on a variation of acceleration and displacement (deflection) of laminated and steel boards after reflection from them a burst wave generated by detonation of an explosive. For the continuos measurement of the acceleration the accelerometers were used and the [...]
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Central European Journal of Energetic Materials
2011 Vol. 8, nr 3 193-207
EN This paper presents a study of the relationship between detonation velocities, D, and relative explosive strength (RS) of fortifed W/O emulsion explosives, on the one hand, and the grain size and quality of the demilitarized TNT used for this fortifcation, on the other. It has be[...]
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Central European Journal of Energetic Materials
2017 Vol. 14, no. 4 759--774
EN Mining explosives based on ammonium nitrate(V) are safe and effective, however, the risk of NOx fume production during blasting is still present. In 2013, a project to eliminate NOx fumes from blasting began and hydrogen peroxide was chosen to replace ammonium nitrate(V) as the oxidiser. Previous wo[...]
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Central European Journal of Energetic Materials
2009 Vol. 6, nr 1 119-133
EN A well-known effect of amines, and also of water, on detonation characteristics of nitromethane (NM) is discussed from the point of view of the published knowledge about the study of initiation reactivity of this nitro paraffin. It is documented that bimolecular and higher interactions during the in[...]
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Central European Journal of Energetic Materials
EN Considerations based on available experimental data on regularities of molecular condensed EMs decomposition under the effect of shock waves of different intensities are presented. It follows from the considerations that there exist shock wave pressures p* typical for each charge (for TNT charges p*[...]
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Central European Journal of Energetic Materials
EN The research on an effect of aluminium contents on detonation characteristics of ammonium nitrate explosives was carried out. Measurements of detonation velocity were performed. Parameters of blast waves produced by charges of the investigated explosives detonating in an open space were measured by [...]
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Central European Journal of Energetic Materials
2015 Vol. 12, no. 4 651--669
EN The BKW equation parameters and gaseous product co-volumes were reparametrized for CHNO explosives which release no condensed carbon when detonated. This estimation has led to a more reliable (correct) parameter set of the BKW equation because all of the possible errors due to the uncertainties in t[...]
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Journal of KONES
EN The article presents numerical simulation of interaction of a pressure wave coming from detonation of an improvised explosive device on the crew of the ligtharmoured wheeled vehicle. There was analysed one of the typical scenario, namely the explosion on the side of the vehicle, which the army deals[...]
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Archivum Combustionis
EN Steady detonation regimes in an aerosuspension of aluminium particles is studied on the basis of the mathematical model of heterogenerous detonation with regard for differences in phase velocities and temperatures. The presence of unburned particles in detonation products conditions the sound speed[...]
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Problemy Techniki Uzbrojenia
2001 R. 30, z. 78 143--156
PL Przedstawiono wyniki pomiarów ciśnienia generowanego w wyniku detonacji ładunków kruszących materiałów wybuchowych w komorze o pojemności 150 dm3 wypełnionej różnymi gazami (azotem lub powietrzem) oraz w komorze o objętości 7 m3 wypełnionej powietrzem. Dla trotylu wyznaczona zależność średniego nadc[...]
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