Experimental study on the performance of a mechanical cooling tower fitted with different types of water distribution systems.
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AuthorRuiz Ramírez, Javier; Lucas Miralles, Manuel; Martínez Beltrán, Pedro Juan; Sánchez Kaiser, Antonio; Zamora Parra, Blas; [et al.]
Research GroupMecánica de Fluidos e Ingeniería Térmica.
Knowledge AreaMecánica de Fluidos
SponsorsMinisterio de Educación y Ciencia (Spanish Education and Science Ministry) for their support of project PN I+D+I 2008-2011 ENE2010-21679-C02-02.
Bibliographic Citation15th IAHR Cooling Tower and Air-cooled Heat Exchanger Conference, Beijing, China, Oct 23-26, 2011.
Water distribution system
Cooling tower performance
Cooling towers are evaporative heat transfer devices in which atmospheric air cools warm water, with direct contact between the water and the air, by evaporating part of the water. As a result, water droplets are incorporated in the air stream and, depending on the velocity of the air, will be taken away from the unit. This is known as drift. Although cooling tower drift is objectionable for several reasons, the most hazardous problem concerning human health is the emission of chemicals or microorganisms to the atmosphere. Regarding to microorganisms, the most well-known pathogens are the multiple species of bacteria collectively known as legionella. The binomial water distribution system-drift eliminator is identified to be the main responsible of cooling tower drift. While drift eliminators work by changing the direction of the airflow and separating droplets from the airstream through inertial impact, water distribution systems affect the mechanics of setting up the drops. Drift ...
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