Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Water Mist Fire Suppression Systems
Abstract This chapter addresses the engineering of fixed fire suppression systems that discharge water mist. The term water mist, as currently understood in the fire protection field, relates to fine water sprays with no drops larger than 1.0 mm, or 1000 μm (micrometers or microns) [1, 2]. Such sprays are not true mists, however. A mist in the scientific sense consists of drops somewhere on a continuum between aerosol (particles with diameter approximately 5 μm) and fog (droplet diameters ranging between 10 and 100 μm). Particles less than 20 μm in diameter take a long time to settle out and, hence, create what is recognized in both literature and science as a “mist.” A water mist as intended for fire protection purposes is a fine water spray consisting of a range of droplet sizes, many of which are in the range of true mist particles and some of which are considerably larger. Water mist nozzles produce sprays that have a higher fraction of very fine droplets, in the range of mist, than is typical of standard sprinklers or water spray nozzles.
Water Mist Fire Suppression Systems
Abstract This chapter addresses the engineering of fixed fire suppression systems that discharge water mist. The term water mist, as currently understood in the fire protection field, relates to fine water sprays with no drops larger than 1.0 mm, or 1000 μm (micrometers or microns) [1, 2]. Such sprays are not true mists, however. A mist in the scientific sense consists of drops somewhere on a continuum between aerosol (particles with diameter approximately 5 μm) and fog (droplet diameters ranging between 10 and 100 μm). Particles less than 20 μm in diameter take a long time to settle out and, hence, create what is recognized in both literature and science as a “mist.” A water mist as intended for fire protection purposes is a fine water spray consisting of a range of droplet sizes, many of which are in the range of true mist particles and some of which are considerably larger. Water mist nozzles produce sprays that have a higher fraction of very fine droplets, in the range of mist, than is typical of standard sprinklers or water spray nozzles.
Water Mist Fire Suppression Systems
Mawhinney, Jack R. (Autor:in) / Back, Gerard G. III (Autor:in)
SFPE Handbook of Fire Protection Engineering ; 1587-1645
Fifth Edition
01.01.2016
59 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Heat Release Rate , Fire Protection , International Maritime Organization , Water Mist , Sprinkler System Engineering , Civil Engineering , Mechanical Engineering , Safety in Chemistry, Dangerous Goods , Materials Science, general , Engineering Thermodynamics, Heat and Mass Transfer , Industrial and Organizational Psychology
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