Characteristics of sprinklers and water spray mists for fire safety

Louise A. Jackman; Stephen P. Lavelle; P. F. Nolan

doi:10.1117/12.24005

1 April 1991 Characteristics of sprinklers and water spray mists for fire safety

Louise A. Jackman, Stephen P. Lavelle, P. F. Nolan

Proceedings Volume 1358, 19th Intl Congress on High-Speed Photography and Photonics; (1991) https://doi.org/10.1117/12.24005
Event: 19th International Congress on High-Speed Photography and Photonics, 1990, Cambridge, United Kingdom

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.

Citation Download Citation

Louise A. Jackman, Stephen P. Lavelle, and P. F. Nolan "Characteristics of sprinklers and water spray mists for fire safety", Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); https://doi.org/10.1117/12.24005

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