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Application of a pulsed laser for soot measurements in premixed flames (1989)

Bengtsson, P. -E. ; Aldén, M.

Springer

Applied physics 48 (1989), S. 155-164

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Details

ISSN: 1432-0649

Schlagwort(e): 78.35 ; 82.40

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract A pulsed Nd: YAG laser has been used to perform scattering/extinction measurements in flat, premixed methane/oxygen flames to determine soot particle sizes, number concentrations and soot volume fractions. A discussion is given on accuracies in these determinations with respect to experimental and theoretical parameters. Absorptions were measured through a referencing method which yielded a single-pulse relative standard deviation in the normalized signal of 0.7%. The incident laser fluence was kept below 0.1 J/cm2 in the focusing point in the flame to avoid soot vaporization effects. Interference in the measurements from polyaromatic hydrocarbons (PAH) is also discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00692141

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