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Document ID (ISN)33580
CIS number 80-982
ISSN - Serial title Prevention
Year 1979
Convention or series no.
Author(s) Gill F.S.
Title Extract ventilation systems and their problems
Bibliographic information Nov. 1979, Vol.16, No.11, p.3-6. Illus.
Abstract Considerations on maintaining exhaust velocity at point of release of the pollutant or other substance to be captured: components of exhaust systems and their problems (suction inlets, hoods, enclosures, slots, ducts, fans, air cleaners); fume extraction units; discharge to the atmosphere; examples of faulty design, faulty installation and procedures. Other problems considered include removal of ambient heat from the workplace along with the pollutant exhausted, buoyancy factors of some pollutants, which tend to accumulate in pools on the floor or cavities in the roof, according as they are lighter or heavier than air.
Descriptors (primary) local exhaust; ventilation design; exhaust ventilation
Descriptors (secondary) exhaust hoods; airborne dust; fans; microclimate; exhaust devices; rim exhaust; ducts
Document type D - Periodical articles
Subject(s) Heating, ventilation and climate
Broad subject area(s)
Browse category(ies) Ventilation