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Push-pull ventilation system: a CFD approach for the performance analysis
- Source :
- Scopus-Elsevier
- Publication Year :
- 2007
- Publisher :
- Informa UK Limited, 2007.
-
Abstract
- SYNOPSIS In this paper the results of a CFD investigation for a push-pull local ventilation system are presented. The velocity field and the capture efficiency prediction are investigated for different system arrangements. The analysis is carried out for systems respectively with and without fluid-dynamic obstacle in the working plane and for dust pollutants with particle diameters ranging from 1.0 to 100 μm and emission velocities between 1.0 and 7.0 m/s. The analysis, carried out using the commercial code FLUENT, shows that the system performances are dependent on operating conditions and are influenced by the presence of the above-mentioned obstacle on the working plane. In the case of working plane emission without obstacle the system capture efficiency is in general very low never exceeding 25%. Higher efficiencies are instead achieved for particle emission from a vessel placed in the system's working plane centre. In this case even unitary peak efficiencies are reached for particular operating condi...
- Subjects :
- push-pull system, CFD, Modelling
Engineering
Renewable Energy, Sustainability and the Environment
Plane (geometry)
business.industry
Mechanical engineering
Ranging
Building and Construction
Computational fluid dynamics
law.invention
law
Obstacle
Ventilation (architecture)
Fluent
Particle
Vector field
business
Subjects
Details
- ISSN :
- 21628246 and 01430750
- Volume :
- 28
- Database :
- OpenAIRE
- Journal :
- International Journal of Ambient Energy
- Accession number :
- edsair.doi.dedup.....c0df9a9e4147a4bef32989c281e466e2