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Melt Crystallization of Ammonium Dinitramide (ADN) Investigated by Means of X‐ray Diffraction

Chemie-Ingenieur-Technik, 2021
AbstractAmmonium dinitramide (ADN) is a promising oxidizing agent for solid rocket propellants. In situ XRD investigations of ADN and ADN suspensions have been performed in order to understand and refine the emulsion crystallization process for manufacturing spherical ADN particles (prills).
Michael Herrmann, Ulrich Förter-Barth, Thomas Heintz   +2 more
exaly   +3 more sources

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Ammonium Dinitramide (ADN)–Prilling, Coating, and Characterization

Propellants, Explosives, Pyrotechnics, 2009
AbstractAmmonium dinitramide (ADN) is the promising oxidizer, which is expected to be applied, e.g., in solid rocket propellants. The manufacturing of spherical ADN particles (the so‐called ADN‐Prills) with useful morphology and reproducible quality is realized by means of the emulsion crystallization process.
Thomas Heintz
exaly   +2 more sources

Adsorption of ammonium dinitramide (ADN) from aqueous solutions

Journal of Hazardous Materials, 2003
S Venkatachalam, K N Ninan
exaly   +2 more sources

Thermal analysis of ammonium dinitramide (ADN)

Thermochimica Acta, 2000
Abstract Kinetic constants of decomposition were determined for ADN and prilled ADN by DSC and TG. Pressure DSC at 550 psi air or helium had similar kinetic constants for prilled ADN, namely 29 kcal/mol activation energy and a log frequency factor of ∼14.0 min−1.
exaly   +2 more sources

An Overview on the Synthetic Routes and Properties of Ammonium Dinitramide (ADN) and other Dinitramide Salts

Propellants, Explosives, Pyrotechnics, 2004
AbstractIn recent years, there has been a considerable interest in the development of novel type of high performance propellants for use in solid rocket motors. Ammonium salt of dinitramidic acid NH4N(NO2)2 (ADN) has attracted wide interest as a potentially useful energetic oxidizer for rocket propellants because of its clean and environment‐friendly ...
Subbiah Venkatachalam, Gopalakrishnan Santhosh, Kovoor Ninan Ninan   +2 more
exaly   +2 more sources

Nanocrystallisation of Ammonium DiNitramide (ADN) by Spray Flash Evaporation (SFE)

Propellants, Explosives, Pyrotechnics, 2018
AbstractAmmonium DiNitramide (ADN) is an interesting oxidizer to replace ammonium perchlorate in the composition of solid propellants. In this study, Spray Flash Evaporation (SFE) is presented as a new technology to enhance stability of ADN by crystallization of nanoparticles.
Fabien Schnell, Denis Spitzer
exaly   +2 more sources

Characteristics of NEPE Propellant with Ammonium Dinitramide (ADN)

Advanced Materials Research, 2011
The theoretical performances of NEPE (nitrate ester plasticized polyether) propellant with and without ADN were calculated with minimum free energy method. The burning characteristics and the thermal decomposition of propellants were determined by nickel chromium wire method and TG- DTG, respectively.
Wei Qiang Pang, Hui Xiang Xu, Yang Li, Xiao Bing Shi   +3 more
openaire   +1 more source

Modeling of ammonium dinitramide (ADN) monopropellant combustion with coupled condensed and gas phase kinetics

Combustion and Flame, 2014
Abstract A comprehensive multi-phase combustion model has been developed to study the physiochemical processes involved in the combustion of ammonium dinitramide (ADN). The numerical model is based on the conservation equations of mass, species concentration, and energy, and takes into account finite-rate chemical kinetics in both condensed and gas ...
Vigor Yang
exaly   +2 more sources

Crystallization of Spherical Ammonium Dinitramide (ADN) Particles

Propellants, Explosives, Pyrotechnics, 2000
The described process aims to produce spherical ammonium dinitramide (ADN) particles of different sizes with a narrow particle size distribution. The crystallization process presented in this paper consists of two stages. In the first stage, molten ADN is dispersed in a continuous phase in which ADN is insoluble.
Ulrich Teipel, Thomas Heintz, Horst H. Krause   +2 more
openaire   +1 more source

Kinetics analysis of thermal decomposition of ammonium dinitramide (ADN)

Journal of Thermal Analysis and Calorimetry, 2016
Kinetics analyses were performed on the thermal decomposition of ammonium dinitramide (ADN) using thermogravimetry-differential thermal analysis–mass spectrometry–infrared spectroscopy (TG-DTA–MS–IR). The main evolved gases were determined to be NH3, H2O, N2, NO, N2O, and NO2.
Yu-ichiro Izato, Mitsuo Koshi, Atsumi Miyake, Hiroto Habu   +3 more
openaire   +1 more source