Premium
Burning Behaviour of Nitramine Model Formulations
Author(s) -
Eckl Wilhelm,
Weiser Volker,
Langer Gesa,
Eisenreich Norbert
Publication year - 1997
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.19970220309
Subject(s) - soot , materials science , radiation , decomposition , adiabatic process , hydrocarbon , adiabatic flame temperature , analytical chemistry (journal) , exponent , atmospheric temperature range , range (aeronautics) , chemical engineering , thermodynamics , chemistry , combustion , composite material , organic chemistry , optics , combustor , linguistics , physics , philosophy , engineering
Model formulations of RDX and a hydrocarbon binder were studied by various methods to investigate the effect of additional fuel on the burning mechanism. The fuel reduces the burning rate at higher pressures and the pressure exponent. Extinguished burning surfaces show that the RDX is depleted at the surface. Emission spectra in the UV/VIS are dominated by the OH, NH and CN similar to the case of pure RDX. However, the OH decreases at higher distances from the surface obviously consumed by decomposition products of the fuel. At high pressures (> 2 MPa) soot emits strong continuous radiation. The temperatures obtained from the OH bands at 306 nm range from 2800 K to 3000 K which is close to the adiabatic flame temperature. The temperatures evaluated from the continuous radiation are considerably lower indicating radiation cooling.