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| - Laser-Induced Incandescence Study on the Metal Aerosol Particles as the Effect of theSurrounding Gas Medium
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| - The fundamental heat transfer phenomena caused by the 1064 nm pulsed laser irradiations on the molybdenumaerosol particles were investigated by monitoring the time evolutions of the incandescence spectra using anICCD detector with a multichannel spectrograph. The particle temperatures were evaluated from theincandescence spectra with the Planck function, and the cooling processes of the laser-heated particles wereinvestigated. By measuring the decrease in the laser-heated particle temperatures with different surroundingmedia, the roles of the heat transfer processes such as vaporization, thermal radiation, and heat conduction tothe surrounding media were discussed. The influences of the vaporization processes on the total heat transferphenomena were investigated by monitoring the emissions of the constituent molybdenum atoms in the laser-induced incandescence spectra of the aerosol particles and also by investigating the relationships between theintensity of the incandescence and the fluence of the 1064 nm pulsed laser. The calculations using the theoryof heat conduction suggested that the diameters of the particles produced by the photolysis of Mo(CO)6depended on the nature of the surrounding gases.
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