Experimental Study of Spectral Radiative Properties of Chlorella Pyrenoidosa
Microalgae is a kind of very promising renewable biomass energy source.In order to increase the biomass yield of microalgae cells and reduce their cultivation costs,it is essential to optimize the de-sign of photobioreactors,the spectral radiative properties of microalgae cells are fundamental physical pa-rameters for optical analysis in related applications.In this paper,the spectral absorption,scattering and extinction cross-sections,and scattering albedo of chlorella pyrenoidosa in the visible spectral range,were studied experimentally.The measured spectral cross-section parameters of absorption,scattering and extinction are shown to be about the same at 3 different cell concentrations,which agrees with the theoretical results of light scattering,namely,the cross-sections are independent of particle concentra-tions,indicating the accuracy of the measured results.The experimental results presented in this paper provides the essential optical physical parameters for light field analysis in suspensions of chlorella pyre-noidosa and optimization of the photobioreactors.
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