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《ASHRAE.4430-2001 The Potential Application of Water Mist System》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、4430ThePotentialApplicationofWaterMistSystemsforFireProtectioninAtriaW.K.Chow,Ph.D.B.Yao,Ph.D.MemberASHRAEABSTRACTprotectivesystems,suchassprinklers,mightnotbeabletocontrolafireiftheyarenotdesignedcarefully(Chow1996).ThepotentialuseofwatermistsystemsforprovidingfireAwatermistsys
2、temwouldbeusefulinsuppressingfiressafetyinatriaisdiscussed.Differentatriumtypesandfirequicklytopreventflashover.However,threepointsshouldbescenariosareconsidered.Itisfoundthattheatriumgeometryconsideredbeforeapplyingsuchasystemtoanatriumbecauseandthephysicalcharacteristicsofwate
3、rmistwouldaffecttheofitslargevolumeandhighceilingheight.Firesuppressionsystemperformance.Asimplemodelisintroducedforsimu-wouldbehinderedbylatingtheperformanceofwatermistinjecteddownwardfromanozzleinstalledhighabovethefloorintoasteadyburning•increasingtheavailabilityofoxygen,fire
4、.Anobviousapplicationofawatermistsysteminanatrium•increasingthedifficultyofdeliveringsufficientwateristoinstalla“cabin”forpreventingflashoverfires.Areasthatmisttothefire,andrequirefurtherinvestigationareidentified.•reducingthesteamproductionrate.INTRODUCTIONTherefore,twoquestion
5、sshouldbeaskedabouttheEffortshavebeenmadetodevelopsubstitutesforgaspotentialuseofwatermistforfireprotectioninatriumbuild-protectionsystemsusinghalon,whichisdamagingtotheings:environment.Awatermistsystemisoneofthealternativesbeingconsidered,althoughthesystemhadbeenproposed•Canwat
6、ermistbeusedinatriumbuildings?nearlyfiftyyearsagoforcontrollingbothliquidandsolidfires•Howshouldthethreeweakpointslistedabovebe(Braidechetal.1955).Butatthattime,sprinklersystemsweresolvedtoimprovesystemperformance?morecommon,andasaresult,watermisttechnologydidnotdeveloprapidly.N
7、ow,itsbenefitsofbeingenvironmentallyThesetwoquestionsarediscussedinthispaper.benign,inexpensive,andeffectiveincontrollingafirehavebecomemoreattractive,andmuchworkhasbeendonetoWATERMISTstudyanddevelopthistechnologyforextensiveuseinindus-Watermistisregardedasanacceptablesubstitute
8、fortry.Researchinthisareahasincreasedsignifican
