On the evaporation effect of a sprinkler water spray

Wan Ki Chow

doi:10.1007/BF01040382

On the evaporation effect of a sprinkler water spray

Wan Ki Chow

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

23 Citations (Scopus)

Abstract

A crude model for estimating the evaporation heat loss due to a sprinkler water spray in a smoke layer is reported. It is found that the evaporation heat loss lies below 11.2% of the convective loss when water travels through a hot gas layer 0.9 m thick and 160°C under normal sprinkler operating conditions. It is also found that the value may go up to 26% if the smoke layer reaches 1.5 m and 273°C.

Original language	English
Pages (from-to)	364-373
Number of pages	10
Journal	Fire Technology
Volume	25
Issue number	4
DOIs	https://doi.org/10.1007/BF01040382
Publication status	Published - 1 Nov 1989

Keywords

evaporation
heat loss
sprinklers

ASJC Scopus subject areas

General Materials Science
Safety, Risk, Reliability and Quality
Engineering (miscellaneous)

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10.1007/BF01040382

Cite this

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title = "On the evaporation effect of a sprinkler water spray",

abstract = "A crude model for estimating the evaporation heat loss due to a sprinkler water spray in a smoke layer is reported. It is found that the evaporation heat loss lies below 11.2\% of the convective loss when water travels through a hot gas layer 0.9 m thick and 160°C under normal sprinkler operating conditions. It is also found that the value may go up to 26\% if the smoke layer reaches 1.5 m and 273°C.",

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AB - A crude model for estimating the evaporation heat loss due to a sprinkler water spray in a smoke layer is reported. It is found that the evaporation heat loss lies below 11.2% of the convective loss when water travels through a hot gas layer 0.9 m thick and 160°C under normal sprinkler operating conditions. It is also found that the value may go up to 26% if the smoke layer reaches 1.5 m and 273°C.

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KW - heat loss

KW - sprinklers

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On the evaporation effect of a sprinkler water spray

Abstract

Keywords

ASJC Scopus subject areas

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