Unicellular algal suspensions are relevant to the natural aquatic environment and to food production and water treatment processes. Algal growth and the thermal structure of the liquid substrate depend upon radiation transfer within the suspension which, in turn, depends upon the absorption and scattering properties of the algal cells. Experiments have been performed to determine these properties for two common species (C. pyrenoidosa and S.obliquus) over the visible region of the spectrum. Specific measurements include the absorption, and the scattering albedo is typically in excess of 0.8. The directional nature of the scattering is characterized by a phase function which is strongly peaked in the forward direction. Attempts are made to interpret the data in terms of the cell size distribution and pigment concentration.
Optical property measurements for suspensions of unicellular algae
Messung der optischen Eigenschaften einzelliger Algen im Wasser
ASME-Papers ; 1-8
1978
8 Seiten, 11 Bilder, 1 Tabelle, 20 Quellen
Conference paper
English
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