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主页 旧刊 有关人员 未来大会 American Society of Thermal and Fluids Engineering
First Thermal and Fluids Engineering Summer Conference

ISSN: 2379-1748

Time-Resolved Laser-Induced Incandescence for Sizing Aerosolized Silver Nanoparticles

Nigel R. Singh
The University of Waterloo, 200 University Ave. W., Waterloo ON N2L 3G1, Canada

Timothy A. Sipkens
Department of Mechanical and Mechatronics Engineering, University of Waterloo 200 University Ave. W, Waterloo, ON, N2L 3G1, Canada

Kyle J. Daun
Department of Mechanical and Mechatronics Engineering, University of Waterloo 200 University Ave. W, Waterloo, ON, N2L 3G1, Canada

DOI: 10.1615/TFESC1.mnr.012913
pages 1673-1685


键词 Time Resolved Laser Induced Incandescence, Nanotechnology, Aerosol

摘要

This paper summarizes time-resolved laser-induced incandescence (TiRe-LII) measurements on silver nanoparticles synthesized in solution and then aerosolized in Ar, N2, and CO2 using a pneumatic atomizer. The optical properties of molten silver are presented along with a peak temperature analysis. An attempt was made to recover both the silver nanoparticle size and thermal accommodation coefficient by calculating and regressing the experimental effective temperature from the measured incandescence with modeled data. The recovered values for the nanoparticle size were consistent with ex situ characterization but the TAC values could not obtained due to evaporation being the dominant form of heat transfer.

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