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Modeling Of Thermal Responsiveness Of Automatic Sprinklers

Heskestad, G. and Bill, R.G., 1989. Modeling Of Thermal Responsiveness Of Automatic Sprinklers. Fire Safety Science 2: 603-612. doi:10.3801/IAFSS.FSS.2-603


Predictions according to a thermal response model for sprinklers, modified to account for heat loss by conduction to the sprinkler mount, have been successfully tested against response of 13 sprinkler models in room fire experiments. Sprinkler characteristics entering the response model include the Response Time Index and a conduction parameter, both measured in a hot-air tunnel. The conduction parameter did tend to rise with increasing temperature of the mount, reflecting some departure, although not significant, from ideal behavior.


suppression, sprinklers, response model, conduction heat loss

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