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Investigation of the Sampling Conditions of Aerosols for the Monitoring of Ventilation Air

Möller, T.J. and Bütefisch, K.-A. and Horlbeck, B. (1999) Investigation of the Sampling Conditions of Aerosols for the Monitoring of Ventilation Air. Chemical Engineering and Technology, 22 (4), pp. 317-320.

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The activity surveillance of a nuclear stack waste repository includes monitoring of the stack effluent as an outstanding task. For probe sampling it is prescrible to use a 2-dimensional arrangement of a certain number of single probes. The particle distribution has to satisfy definite homogeneity conditions over the sampling area. Thus it is subject of the present experiments to observe the spatial distribution of the particle number density in the stack section of interest in order to optimize the positioning of the sampling area. The experiments were carried out at a 1:10 model of the stack of the repository project. The present paper deals with a non intrusive optical two dimensional field measurement technique that can determine the spatial distribution of particles, from this the concentration of particles of the measurement plane can be concluded. The concentration of particles must be low enough to allow isolated particles to be distinguished on a single image. In comparison with local measurements using probes this kind of measurement has the advantage of not disturbing the flow and of delivering a spatial information. This is how the effects of changing parameters can be made out. Parameters like this might be different in measurements utilizing probes without being recognized

Item URL in elib:https://elib.dlr.de/13452/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:Investigation of the Sampling Conditions of Aerosols for the Monitoring of Ventilation Air
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Chemical Engineering and Technology
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 317-320
Keywords:Laser Light Sheet, digital image processing, particle laden flow, turbulent flow
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L SI - Versuchs- und Simulationstechniken
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:28

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