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Optical Properties of Single Particles for Solar Heated Fluidized Beds.

Sasse, C. (1990) Optical Properties of Single Particles for Solar Heated Fluidized Beds. In: Proceedings 5th IEA Symposium.. 5th IEA Symposium on Solar High Temperature Technolgies, 27-31 August 1990, Davos, Switzerland..

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Abstract

Experimental investigations on the optical absorption properties of solid-gas solar receivers by Sandia National Labortories in 1986 have shown some particles as good candidates for falling curtain receivers or fluidized beds. Their experiments have shown the necessity for detailed investigations of single particles and ensembles since the optical properties play a vital role for effective absorption the solar spectrum and as well as low heat losses in the infrared. At the DLR in Stuttgart an optical laboratory has been installed with the aim to develop further instrumentation and measurement techniques for determining optical scattering and absorption properties of particulates of interest in fluidized beds. An electrodynamic levitator used to "electrically suspend" single charged particles in order to measure light scattering is presented. This technique allows the determination of optical constants from a spherical, chemically inert particle of unknown chemical composition.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1990, note=096, pages=15,
Title:Optical Properties of Single Particles for Solar Heated Fluidized Beds.
Authors:
AuthorsInstitution or Email of Authors
Sasse, C.UNSPECIFIED
Date:1990
Journal or Publication Title:Proceedings 5th IEA Symposium.
Status:Published
Keywords:Solar Receiver, Solar Spectrum, Absorption
Event Title:5th IEA Symposium on Solar High Temperature Technolgies, 27-31 August 1990, Davos, Switzerland.
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Technical Thermodynamics
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 05:55

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