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Micro and small explosive train design

Author: WangShaoWei
Tutor: NieWeiRong
School: Nanjing University of Technology and Engineering
Course: Weapons systems and the use of engineering
Keywords: Fuse Micro and small explosive train Booster Flameproof Numerical simulation
CLC: TJ430
Type: Master's thesis
Year: 2011
Downloads: 48
Quote: 0
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Abstract


Miniaturization with the ammunition intelligence and dexterity of the requirements of the development , is one of the main direction of development of the fuze . Fuze miniaturization necessary requirement for the explosive train miniaturization , then the design of new micro and small explosive train becomes necessary . Research and analysis a miniature explosive train explosive train designed based on detonation theory , numerical simulation method development status and knowledge of all aspects of the focus , clear explosive train design elements , laid the explosive train booster and spacers burst the theoretical basis for determining the methods used by the numerical simulation , material model , equation of state . Analysis on the the typical dislocation partition on the basis of the explosive train , draw a miniature explosive train design ideas , design a new miniature explosive train . The main features of this miniature explosive train to use flaky slider instead of the original proof institutions , which reduces the volume of the original proof institutions . At the same time , the use of micro and small explosive train under two tiny Pyrotechnics , the gap between the two EED to 0.7 mm . Use of the the CJ theory of the detonation theory , the diameter effect , the theory of curved wavefront calculated detonation parameters of the EED , the booster process and explosion-proof process of theoretical calculations , the calculation results show that the booster is feasible , but the explosion-proof unreliable , the need for further design Detonation Trains structure . LS-DYNA software , the lower EED gap of 0.7mm micro and small explosive train the transfer explosion and flameproof value of simulation , simulation results show that miniature explosive train booster reliable and unreliable flameproof results are consistent with the theoretical calculation . Were next on the subordinate Pyrotechnics gap 1. Omm , 1.2mm, 1.5mm micro and small explosive train the transfer explosion and flameproof value of simulation , based on the simulation results obtained when the space gap is 1.2mm micro explosive train both reliable booster can be reliable explosion-proof . Taking into account the energy loss and ease of assembly , micro and small explosive train under EED gap instead 1.Omm, the micro explosive train booster and flameproof experimental results show that the booster and separated explosion are reliable , more in line with the theoretical calculations and numerical simulation results .

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CLC: > Industrial Technology > Arms industry > Ammunition, fuses, pyrotechnics > Fuse > General issues
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