A Theoretical Study of the Combustion of Magnesium/Teflon/Viton Pyrotechnic Compositions

Abstract

A theoretical study has been conducted using the NASA-Lewis CEC 76 computer code to model the combustion of pyrotechnic compositions based on magnesium/Teflon/Viton. The study examines the effect of formulation changes on the distribution of reaction products, the reaction temperature and the heat of reaction. The maximum temperature and heat are produced in the stoichiometric fuel concentration whilst the reaction products change significantly with the concentration of magnesium. The Teflon and Viton oxidizers generally have only a minor effect on the system thermodynamics. The major reaction products are magnesium fluoride, magnesium and solid carbon. The proportion of carbon as a combustion product remains relatively constant over a large range of fuel or oxidant concentration. The choice of the optimal MTV composition for IR decoy applications appears to be based more on burn rate and ignitability requirements than on temperature, heat output or optimization of reaction products.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1991
Accession Number
ADA243244

Entities

People

  • K. J. Smit
  • L. V . De Yong

Organizations

  • Defence Science and Technology Group

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemical Equilibrium
  • Chemical Reaction Properties
  • Chemical Reactions
  • Chemistry
  • Combustion
  • Combustion Products
  • Energy
  • Explosives
  • Heat Energy
  • Heat Of Reaction
  • Heat Transfer
  • Infrared Decoys
  • Materials
  • Physical Chemistry
  • Physical Properties
  • Rocket Engines
  • Thermodynamics

Readers

  • Materials Science and Engineering.
  • Rocket Propulsion.