Eremin, A.; Falchenko, M.; Gurentsov, E.; Kock, B.F.; Starke, R.; Schulz, C.:

Comparison of TR-LII sizing for pure carbon and hydrogen-containing carbon particles

In: Laser-induced incandescence: Quantitative Interpretation, Modeling, Application, Intl. Discussion Meeting and Workshop / Suntz, R.; Bockhorn, H. (Hrsg.)
Bad Herrenalb, Germany (2006), S. ISSN 1613-0073, Vol. 195, CEUR Workshop Proceedings
Buchaufsatz / Kapitel / Fach: Maschinenbau
Time-Resolved LII (TiRe-LII) particle sizing was performed for the pure carbon particles and for the particles holding some amount of hydrogen. These particles were formed from supersaturated carbon vapor and from carbon vapor with the addition of hydrogen atoms, by the laser photolysis of C3O2 or C3O2+H2S. The current particle sizes were measured by TiRe-LII, while the final count median diameter of particles and the particle size distribution were analyzed by Transmission Electron Microscopy (TEM). The value of thermal accommodation coefficient for argon at the carbon-hydrogen particle surface was extracted by the comparison of TiRe-LII particle sizing with the TEM data and was found to be 0.3.

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