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This paper presents modified Gurney formulas determining velocities of the explosive-driven metal plates which are parts of a flat asymmetric sandwich (AS). The modification takes into account a linear profile of the detonation products velocity in the Eulerian coordinates and a change of their density in terms of expansion time. Such variations of the parameters of the detonation products as the above are compatible with a conventional dynamic gas theory, and describes the dynamics of the detonation products behaviour during launching the plates from AS.
Słowa kluczowe
Rocznik
Strony
9--22
Opis fizyczny
Bibliogr. 19 poz., rys., wykr.
Twórcy
autor
- Military University of Technology, Faculty of Mechatronics and Aerospace, 2 gen. S. Kaliskiego Street, 00-908 Warsaw, Poland
autor
- Military University of Technology, Faculty of Mechatronics and Aerospace, 2 gen. S. Kaliskiego Street, 00-908 Warsaw, Poland
Bibliografia
- [1] Persson A. 1983. A theoretical analysis of the mechanics of tandem shaped charges and their interaction with different targets. In Proceedings of the 7th International Symposium of Ballistics. Hague.
- [2] Held Manfred, Wolfgang Shwartz. 1994. “The importance of jet tip velocity for the performance of shaped charges against explosive reactive armour”. Propellants, Explosives, Pyrotechnics 19.
- [3] Wiśniewski Adam. 1996. “Armour protection, against shaped charges” (in Polish). Problemy Techniki Uzbrojenia I Radiolokacji 58.
- [4] Walters William, Jonas Zukas. 1989. Fundamentals of shaped charges. New York – Chichester – Brisbane – Toronto – Singapore: John Wiley and Sons.
- [5] Baum F.A., L.P. Orlenko, K.P. Stanyukovich, W.J. Chelyshev, B.J. Shekhter. 1975. Explosion physics (in Russian). Moscow: Nauka.
- [6] Włodarczyk Edward. 1994. “On hydrodynamic stationary theory of jet formation”. J. Tech Phys. 35 (3).
- [7] Włodarczyk Edward. 1994. “The impact of direction and velocity of the detonation wave and the liner apex angle on parameters of a shaped charge jet and slug as well as an explosively formed penetrator”. J. Tech Phys. 35 (4).
- [8] Gurney Ronald Wilfred. 1943. The initial velocities of fragments from bombs, shell and grenades. BRL Report 405, Aberdeen Providing Ground.
- [9] Gurney Ronald Wilfred. 1947. Fragmentation of bombs, shell and grenades. BRL Report 635.
- [10] Henry J.G. 1967. The Gurney formula and related approximation for the high-explosive deployment of fragments. Hughes Aircraft Company, Culver City, CA, Report No. PUB-189, (AD 813389).
- [11] Hirsch E. 1986. “Improved Gurney formulas for exploding cylinders and spheres using hard core approximation”. Propellants, Explosives, Pyrotechnics 11 (1).
- [12] Jones G.E., James Kennedy, L.D. Berthof. 1980. “Ballistics calculations of R.W. Gurney”. Am. J. Phys. 48 (4).
- [13] Kennedy James. 1970. Gurney Energy of explosives: estimation of the velocity and impulse imparted to driven metal. Sandia National Laboratories, SC – RR – 70-790.
- [14] Włodarczyk Edward. 2000. “The backward launching of solids by products of detonation”. J. Tech Phys. 41 (2).
- [15] Włodarczyk Edward. 2001. “The closed form solution of the Darboux boundary value problem for backward driving of solids by the high explosive”. J. Tech Phys. 42 (1).
- [16] Cheret Roger. 1993. Detonation of condensed explosives. New York: Springer-Verlag.
- [17] Włodarczyk Edward. 1994. Fundamentals of the explosion mechanics (in Polish). Warsaw: Edited by PWN.
- [18] Włodarczyk Edward, Bartosz Fikus. 2016. “The initial velocity of a metal plate explosively-launched from an Open-Faced Sandwich (OFS)”. Engineering Transactions 64(3) : 287-300.
- [19] De Carli Paul, Marc Andre Meyers. 1981. Design of uniaxial strain shock recovery experiments, in Shock waves and high-strain-rate phenomena in metals, concepts and applications. M.A. Meyers and L.E. Murr (eds.), Plenum press, New York and London, 341-373.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-bfbe8cbf-9c62-41a5-adc2-cf3a33d8a803