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Continuous microfluidic process for formation of ADN-Prills

: Radulescu, Ligia; Eberhardt, Angelika; Boskovic, Dusan

Fulltext urn:nbn:de:0011-n-5647907 (364 KByte PDF)
MD5 Fingerprint: ffa1244f5501d810cb1c51d4cba50463
Created on: 9.11.2019

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic materials. Past, present and future : 50th International Annual Conference of the Fraunhofer ICT, June 25-28, 2019, Convention Center, Karlsruhe, Germany
Pfinztal: Fraunhofer ICT, 2019
5 pp.
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <50, 2019, Karlsruhe>
Conference Paper, Electronic Publication
Fraunhofer ICT ()

Ammonium dinitramide (ADN) has the potential to substitute ammonium perchlorate (AP) as oxidizer in solid propellants, which would avoid the environmental, safety and health issues that AP causes. For the incorporation in a propellant matrix spherical shapes of ADN are necessary. The continuous producing of spherical ADN (ADN-prills) in microfluidic droplet generators offers the benefit of controlling the size and the size distribution of the prills. To show the feasibility of the process, a proper experimental setup was developed. Different droplet generators were tested and the most suitable was chosen. The influence of flow velocity of the continuous and disperse phase and the concentration of surfactants on the droplet size were investigated.