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Centreline velocity characteristics of rectangular unflanged hoods and slots under suction

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1001 ‎$0‎MAPA20080043179‎$a‎Fletcher, B.
24510‎$a‎Centreline velocity characteristics of rectangular unflanged hoods and slots under suction‎$c‎B. Fletcher
520  ‎$a‎Measurements of centreline velocities in front of rectangular unflanged exhaust hoods, with areas between 25 and 900 cm2 and aspect ratios (ratio of slot length to its width) between 1:1 and 16:1 have shown that for a given face area and volume flow the velocity at a fixed point decreases as the aspect ratio increases. The present experiments show that design formulae previously used to predict these velocities are not valid over the range of aspect ratios usually claimed for them, and a new non-dimensionalized formula which takes account of aspect ratio is proposed
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080565954‎$a‎Humos tóxicos
65011‎$0‎MAPA20080613655‎$a‎Control de contaminantes
65011‎$0‎MAPA20080539566‎$a‎Polvo
65011‎$0‎MAPA20080552923‎$a‎Velocidad
65011‎$0‎MAPA20080537210‎$a‎Aire
65011‎$0‎MAPA20080560997‎$a‎Ventilación
65011‎$0‎MAPA20080612597‎$a‎Sistemas de ventilación
65011‎$0‎MAPA20080566043‎$a‎Investigación
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 2, October 1977 ; p. 141-146