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The fluid mechanics of a two-dimensional aaberg exhaust hood

Hunt, GR and Ingham, DB (1992) The fluid mechanics of a two-dimensional aaberg exhaust hood. Annals of Occupational Hygiene, 36. pp. 455-476. ISSN 0003-4878

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In this paper a study of the air flow pattern created by a two-dimensional Aaberg exhaust hood local ventilation system is presented. A mathematical model of the flow, in terms of the stream function ψ, is derived analytically for both laminar and turbulent injections of fluid. Streamlines and lines of constant speed deduced from the model are examined for various values of the governing dimensionless operating parameter and predictions are given as to the area in front of the hood from which the air can be sampled. The effect of the injection of fluid on the centre-line velocity of the flow is examined and a comparison of the results with the available expenmental data is given. © 1992, British Occupational Hygiene Society.

Item Type: Article
Divisions: Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:28
Last Modified: 19 Jul 2018 07:03