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- Pujol, Toni, et al. Show all 7 Authors
- Biosystems engineering 2016 v.150 pp. 1-9
- energy efficiency; filters; filtration; geometry; models; nozzles; porous media; sand; water flow
- ... The effect of the nozzle geometry on the pressure drop of a sand filter was experimentally studied. Four nozzles were analysed: one commercially produced with a conical shape and three alternative cylindrical underdrains that differed in the location and the number of slots. Experiments in both filtration mode and backwashing conditions for a wide range of superficial velocities were carried out. ...