Numerical study and experimental validation of the water films and the detachment of drops on drift eliminators.
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AutorLópez, J.; Blanco, M.D.; Sánchez Kaiser, Antonio; Zamora Parra, Blas; Lucas Miralles, Manuel; [et al.]
Grupo de investigaciónMecánica de Fluidos e Ingeniería Térmica
Área de conocimientoMecánica de Fluidos
PatrocinadoresThis research is sponsored by the Spanish Government (Projects ENE2010-21679-C02-01 and -02), as well as by the Seneca-Agency for Science and Technology of the Region of Murcia, Spain (Project 15184/PI/10).
Fecha de publicación2014-07
EditorialInternational Centre for Heat and Mass Transfer (ICHMT)
Cita bibliográficaHEFAT2014 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 14 – 16 July 2014, Orlando, Florida, USA.
Palabras claveDrift eliminator
Water drift emitted from cooling towers is objectionable for several reasons, mainly due to human health hazards. Generation and control of drift depends mostly on the drift eliminator, a device installed in mechanical cooling towers to prevent the escape of droplets (drift). These eliminators induce a rapid alternation of direction changes, and then the droplets cannot follow the path lines of the airflow within the channels of the eliminator and impact on the plates of it, falling back to the cooling tower ground. This paper focuses on the numerical study of a type of drift eliminator, validated by experimental tests. Three main aspects are considered: the water film formed on the plates of drift eliminators, the size of water droplets detached from this film and the condition of the detachment of these droplets. Good agreement is obtained between numerical and experimental results. The study shows that the behavior of water droplets is very influenced by the air velocity inside the ...
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