Combustion Behaviour of Advanced Solid Propellants.

  • S. N. Asthana Explosives Research & Development Laboratory, Pune
  • R. B. Mundada Explosives Research & Development Laboratory, Pune
  • P. A. Phawade Explosives Research & Development Laboratory, Pune
  • P. G. Shrotri Explosives Research & Development Laboratory, Pune
Keywords: Ammonium perchlorate, Propellants, Burning rates, Propellant combustion, AP based compositions

Abstract

The study reports the effect of incorporation of Al and ammonium perchlorate (AP) individually and in combination with each other on combustion pattern and specific impulse (Isp) of minimum signature propellants. Incorporation of Al obviates the combustion instability problems; however, it has marginal effect on burning rates. The composition containing AP and zirconium silicate combination gives superior performance; however, its Isp is considerably lower than the composition incorporating 9 per cent AP. A combination of 6 per cent Al gave 20 per cent enhancement in burning rate and 12 s increase in Isp as compared to purely nitramine-based composition, cal-val results also reveal increase in energy output on incorporating AP and Al. Hot stage microscopic and propellant combustion studies indicate occurrence of intense decomposition reaction in case of AP-based compositions.

Author Biographies

S. N. Asthana, Explosives Research & Development Laboratory, Pune
Dr SN Asthana obtained PhD from Poona University in 1990 and is presently working in ERDL,Pune. He is involved in the development of state-of-the-art minimum signature and advanced CMDB propellants. His areas of research include combustion, sensitivity and ageing studies of solid propellants. He has published 30 research papers in national/international journals/proceedings and presented 10 papers in national/international symposia.
R. B. Mundada, Explosives Research & Development Laboratory, Pune
Explosives Research & Development Laboratory, Pune.
P. A. Phawade, Explosives Research & Development Laboratory, Pune
Explosives Research & Development Laboratory, Pune.
P. G. Shrotri, Explosives Research & Development Laboratory, Pune
Explosives Research & Development Laboratory, Pune
Published
2013-01-01
How to Cite
AsthanaS., MundadaR., PhawadeP., & ShrotriP. (2013). Combustion Behaviour of Advanced Solid Propellants. Defence Science Journal, 43(3), 269-273. https://doi.org/10.14429/dsj.43.4285
Section
Materials Science & Metallurgy