Download Demystifying Explosives: Concepts in High Energy Materials by Sethuramasharma Venugopalan PDF

By Sethuramasharma Venugopalan

Demystifying Explosives: suggestions in excessive power Materials explains the fundamental techniques of and the technological know-how in the back of the full spectrum of excessive power fabrics (HEMs) and offers a wide point of view approximately every kind of HEMs and their interrelationships. Demystifying Explosives covers issues starting from explosives, deflagration, detonation, and pyrotechnics to security and safety features of HEMS, their features, relatively their inter-relatedness with admire to homes and function. The publication explains suggestions relating to the molecular constitution of HEMs, their houses, functionality parameters, detonation and surprise waves together with explosives and propellants. The theory-based identify additionally offers with very important (safety and defense) and engaging (constructive functions) elements attached with HEMs and is of primary use to scholars of their advent to those fabrics and applications.

  • Explains the idea that of excessive power fabrics in basic language and down-to-earth examples
  • Worked examples and difficulties are given anyplace required
  • Demystifies the idea that of explosives
  • Limited use of massive and intricate equations
  • Questions and steered interpreting are given on the finish of every chapter

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Extra info for Demystifying Explosives: Concepts in High Energy Materials

Example text

1 Calculate the following parameters for RDX: (1) OB, (2) heat of explosion, and (3) heat of combustion. 42 kcal/mol, respectively). 1. The molecular formula of RDX is C3H6N6O6, which corresponds to a molecular weight of 222. It needs three extra oxygen atoms to completely oxidize C and H to CO2 and H2O, respectively. The combustion equation is written as C3 H6 N6 O6 þ 3=2O2 / 3CO2 þ 3H2 O þ 3N2 ðþDHc Þ 222 g of RDX requires 48 g of oxygen. 6%. 6%. 2. Heat of combustion (DHc) From the above equation, we can write À Á À Á DHc ¼ S DHf products À S DHf reactants DHc ¼ ½ð3  À94:05Þ þ ð3  À67:4ފ À ð16:09Þ ¼ À500:5 kcal=mole ¼ À 500;500 cal=g ¼ À2255 cal=g 222 3.

7 Classification of Pyrotechnics Based on Special Effects. 1 Light Emission of bright light is the primary function of many pyrotechnic compositions. Aluminum or magnesium fuels are found in most white-light pyrotechnic compositions. These metals evolve substantial heat during oxidation and the magnesium oxide (MgO) and aluminum oxide (Al2O3) reaction products are good light emitters at the high reaction temperatures. 2 Smoke Smokes are used for military signaling and screening. These are usually prepared by mixing certain dye stuffs with the fireworks.

6. Define explosives. 7. Classify the following explosives as primary, secondary, or low explosives: (a) Lead azide, (b) b-HMX, (c) TNT, (d) a rocket propellant, (e) tetrazene, (f) PETN, (g) RDX, (h) a gun propellant, (I) tetryl, (j) mercury fulminate. 8. Why is a molecular explosive preferred to a mixture that acts as an explosive? 9. What important characteristics should a military explosive satisfy? 10. Why can you not use a military explosive for civilian application (and vice versa)? 11. What are explosophores?

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