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Optical measurements of particles less than 1 micrometer in flames

Optische Partikelgrößenbestimmung im Sub-Mikrometer-Bereich in Flammen
: Erhardt, W.; Eckl, W.; Weindel, M.; Weiser, V.

Teipel, U. ; Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic materials - production, processing and characterization
Pfinztal: ICT, 1998 (Proceedings of the International Annual Conference of ICT 29)
ISSN: 0722-4087
Fraunhofer-Institut für Chemische Technologie (Internationale Jahrestagung) <29, 1998, Karlsruhe>
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <29, 1998, Karlsruhe>
Fraunhofer ICT ()

An optical system for measuring size and concn. of particles <1 .mu.m in flames is described. The measuring-system is working non-intrusive and has been built up in an exptl. scale. The function of the system is based on a multiple-wavelength-extinction method. In case of sufficient particle-concn. in sooting flames, the system is able to detect particle-sizes in a range of Addnl., the plume of an Al-filled composite propellant was investigated.