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Document ID (ISN)66773
CIS number 96-750
ISSN - Serial title 0002-8894 - American Industrial Hygiene Association Journal
Year 1996
Convention or series no.
Author(s) Madsen U., Fontaine J.R., Nielsen P.V., Aubertin G., Breum N.O.
Title A numerical study of dispersion and local exhaust capture of aerosols generated from a variety of sources and airflow conditions
Bibliographic information Feb. 1996, Vol.57, No.2, p.134-141. Illus. 21 ref.
Abstract A numerical model was developed to describe the effect of aerosol source and airflow conditions on the dispersion and local exhaust capture of aerosol contaminants. Parameters discussed include particle diameter, density and initial velocity, the influence of obstacles and airflow patterns, particle relaxation time, aerodynamic diameter, and stopping distance. It was concluded that local exhaust capture of passively emitted particles can be described by particle relaxation time and the vertical air velocity at the emission point. The influence of particle initial velocity is limited compared to imposed airflow conditions.
Descriptors (primary) local exhaust; collection efficiency; aerosols
Descriptors (secondary) air movement; mathematical models; particle size; particle dynamics
Document type D - Periodical articles
Country / State or ProvinceDenmark
Subject(s) Dust, aerosols and related diseases
Broad subject area(s) Chemical safety
Browse category(ies) Ventilation