Burning Phenomena of the Gun Propellant JA2

Eisenreich, N.; Eckl, Wilhelm; Fischer, Thomas S.; Weiser, Volker; Kelzenberg, Stefan; Langer, Gesa; Baier, Andrea

doi:10.1002/1521-4087(200006)25:3<143::aid-prep143>3.0.co;2-c

Cited by 11 publications

(6 citation statements)

References 13 publications

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“…Between 30 and 40 wt% there is a sharp increase in the pressure exponent from 0.8 to 1. A similar pressure exponent has been reported for this type of propellant [32, 33].…”

Section: Resultssupporting

confidence: 86%

Linear Burning Rate and Erosivity Properties of Nitrocellulose Propellant Formulations Plasticized by Glycidyl Azide Polymer and Nitroglycerine

Comtois

Favis

Dubois

2021

Propellants Explo Pyrotec

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The performance of the extruded cord geometry of nitrocellulose (NC) propellants plasticized by glycidyl azide polymer (GAP) and nitroglycerine (NG) has been evaluated using both closed and erosion vented vessel techniques in order to obtain the linear burning rate and the relative erosivity of these propellants. The closed vessel experiments performed at −46, 21 and 63 °C demonstrate that the measured maximum pressure is in accordance with the calculation obtained using the CHEETAH V2 thermochemical code. From the closed vessel analysis, the linear burning rates show that it is on average 89±3 % that of the 21 °C propellant when fired at −46 °C. and 112±4 % when fired at 63 °C. The addition of either GAP or NG increases the linear burning rate when compared to the neat NC formulation. Relative erosion data obtained in the erosion vented vessel are in agreement with the Arisawa‐Kimura models and it is found that the ratio of CO/CO2 concentration in combustion gases is a better erosivity indicator than N2/CO ratio.

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“…Between 30 and 40 wt% there is a sharp increase in the pressure exponent from 0.8 to 1. A similar pressure exponent has been reported for this type of propellant [32, 33].…”

Section: Resultssupporting

confidence: 86%

Linear Burning Rate and Erosivity Properties of Nitrocellulose Propellant Formulations Plasticized by Glycidyl Azide Polymer and Nitroglycerine

Comtois

Favis

Dubois

2021

Propellants Explo Pyrotec

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“…14 Eisenreich, et al 15 used a simplified approach to study the burning of solid propellants that also takes into account the radiation and heat release. Equation (3-2) is deduced from their simplified heat transfer balance:…”

Section: Theoretical Considerationsmentioning

confidence: 99%

“…Upon further investigation, Eisenreich et al 15 discovered Q o corresponds to the pressure raised to the power n, which is the pressure exponent of the burn rate. Q o is also a function of the gap width for the double strand configuration in this study.…”

Section: Theoretical Considerationsmentioning

confidence: 99%

Flame Spreading and Combustion Behavior of Gun Propellants Packed in High Loading Densities

Kuo¹,

Ferrara²

2004

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“…In the gaseous phase, in addition to the heat¯ow, the diffusion of three species is allowed. CTEM was successfully applied to the ignition and combustion of nitromethane and the response of a nitramine propellant to energy pulses from external sources (16,18,21) . Figures 1 and 2 show the response on a heat¯ux absorbed at the surface ( Figure 1) and in the interior of the propellant (Figure 2).…”

Section: Simpli®ed Theoretical Approach For Radiation Interactionmentioning

confidence: 99%

“…Taking into account stand-off distances of the¯ame which depend on pressure (Refs. 18,22,23) the porous burning occurs only if these distances are lower than the pore sizes (24) .…”

Section: Simpli®ed Theoretical Approach For Radiation Interactionmentioning

confidence: 99%