Energy characteristics calculation of insensitive and minimum smoke GAP solid propellant

The energy characteristics of monopropellants and insensitive minimum smoke GAP propellants containing seven kinds of insensitive oxidizers and three insensitive energetic plasticizers,such as N-guanylureadinitramide(FOX-12),1,1-diamino-2,2-dinitroethylene(FOX-7),3-nitro-1,2,4-triazole-5-ketone(NTO),triaminotrinitrobenzene(TATB),3,4-dinitrofurazanfuroxan(DNTF),cyclotr imethylene trinitramine(RDX),ammonium dinitramide(ADN),1,2,4-butantriol trinitrate(BTTN),triethylene glycol dinitrate(TEGDN),trimethylolethane trinitrate(TMETN) and N-butyl-2-nitrate ethyl nitramine(Bu-NENA) were calculated by propellant energy calculation program.The calculation results show that the standard theoretical specific impulse(Isp) of monopropellant containing DNTF and RDX are 2 696.4 N·s/kg and 2 610.2 N·s/kg respectively,which are superior to that of the other oxidizers above.After the GAP binder/DNTF/RDX/ADN/Al propellant formulation is determined,the Isp,characteristic velocity(C*) and density(ρ) gradually increase with the increasing content of DNTF.Therefore,introducing DNTF into propellant helps to improve the energy characteristics of the insensitive and minimum smoke GAP propellant.