Analysis of the air-water droplet motion through cooling tower drift eliminators, including comparative efficiency evaluations of several types of devices, by numerical investigation
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Knowledge AreaMecánica de Fluidos
PublisherUniversidad Politécnica de Cartagena
Bibliographic CitationZAMORA PARRA, Blas et al. Analysis of the air-water droplet motion through cooling tower drift eliminators, including comparative efficiency evaluations of several types of devices, by numerical investigation. Technology and Knowledge Transfer e-Bulletin, vol.2, no.7 2011. ISSN 2172-0436
Mist eliminators (also called droplet eliminators, droplet separators or demisters) are devices that can remove liquid droplets from a gas flow. The gas flow laden with droplets is forced to pass through different channels, changing direction in a repetitive manner. Wave-plate (or vane type) eliminator are widely employed in chemical and industrial processes involving gas and vapour flows where mist removal is necessary for several reasons. For instance, one of the most important objectives is to restrict pollutant emission into the environment, as in cooling towers applications. Wave-plate mist eliminators can operate in vertical and horizontal situations, but in both cases, the removal of liquid droplets occurs mainly by inertial impaction. In cooling towers, spraying water is distributed over a heat transfer surface across or through which a stream of air is passing. Thus, water droplets can be captured by the stream of air and they will be carried out of the system. This phenomenon ...
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