Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An apparatus for light scattering studies of smoke particles
This study has demonstrated the application of polystyrene spheres suspended in air as a calibration technique for measurements of the differential scattering cross section per mass, sigma(Theta). Introduced for the first time was the quantification of aerosol particle scattering in terms of the differential scattering cross section per mass, which is made possible by gravimetric measurement of the particle mass concentration. This will allow direct comparison between measurements and light scattering theory. The light scattering apparatus used in these measurements has provided repeatable results over a dynamic signal range of 3 to 4 orders of magnitude. Uncertainties lie in the range of 10 % to 20 % and are mainly due to the uncertainties in the calibration factor. The method was then applied to acetylene smoke, which was produced in a consistent and reproducible manner by a co-flow laminar diffusion burner, facilitating the experimental measurements.
An apparatus for light scattering studies of smoke particles
This study has demonstrated the application of polystyrene spheres suspended in air as a calibration technique for measurements of the differential scattering cross section per mass, sigma(Theta). Introduced for the first time was the quantification of aerosol particle scattering in terms of the differential scattering cross section per mass, which is made possible by gravimetric measurement of the particle mass concentration. This will allow direct comparison between measurements and light scattering theory. The light scattering apparatus used in these measurements has provided repeatable results over a dynamic signal range of 3 to 4 orders of magnitude. Uncertainties lie in the range of 10 % to 20 % and are mainly due to the uncertainties in the calibration factor. The method was then applied to acetylene smoke, which was produced in a consistent and reproducible manner by a co-flow laminar diffusion burner, facilitating the experimental measurements.
An apparatus for light scattering studies of smoke particles
Eine Vorrichtung zur Untersuchung der Lichtstreuung an Rauchteilchen
Weinert, D.W. (Autor:in) / Mullholland, G.W. (Autor:in)
2001
12 Seiten, 3 Bilder, 1 Tabelle, 8 Quellen
Aufsatz (Konferenz)
Englisch
An Apparatus for Light Scattering Studies of Smoke Particles
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An Experimental Setup for Measurements of Stokes Scattering Matrixes of Smoke Particles
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