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Proceedings Paper

Characteristics of sprinklers and water spray mists for fire safety
Author(s): Louise A. Jackman; Stephen P. Lavelle; P. F. Nolan
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Paper Abstract

In order to predict the type of sprinkler or spray head required for fire safety in buildings and transport systems (e.g. aircraft) it is necessary to model the interaction of water droplets with the thermally buoyant fire gases. Such modelling requires a detailed knowledge of the mean droplet size, the droplet size distribution, droplet velocity and trajectory. Many existing systems for the characterisation of droplets are indirect in that an optical property is measured and the results are subject to "black box" data processing. A direct method can be developed using a synchronised metal vapour laser and high speed cine camera with appropriate optics. Results on both sprinkler and spray mist will be presented and a basis for the choice of active fire protection systems will be outlined.

Paper Details

Date Published: 1 April 1991
PDF: 12 pages
Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); doi: 10.1117/12.24005
Show Author Affiliations
Louise A. Jackman, South Bank Polytechnic (United Kingdom)
Stephen P. Lavelle, South Bank Polytechnic (United Kingdom)
P. F. Nolan, South Bank Polytechnic (United Kingdom)

Published in SPIE Proceedings Vol. 1358:
19th Intl Congress on High-Speed Photography and Photonics
Peter W. W. Fuller, Editor(s)

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