边墙型扩展覆盖面喷头选用探讨

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1,430074;2,430014),,,,,,,1:(1)(GB500842001,2005)6.1.3.3:,:,,(2)7.1.13:,,1.2,,2,,,1,1.2m,,,1ASHRAE,PlumbingEngineerServicesDesignGuide3,,:200031104539241:[phone]E2mail:[e-mail]:2010202208©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,()(3)(,3.4m5.2m),A2D,,AA,BD,DC,C,CDO;OCOD,OC3(OD)OCOD,OC,,C,A()B(,)C()ABBAO;OBOA,OBOAOAOB,OB,,AB,CB,1212:,[I=6L/(minm2)],3.4m5.2m,3m,K=115,2,33OB1=3.1cm,OC1=5.45cm,OD1=6.15cm,AB=0.25cm;OBOB=[(3.4/2)2+0.252]0.5=1.72(m);OC©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=[(3.4/2)2+5.22]0.5=5.47(m);OB1/OD1=3.1/6.15=0.504;OC1/OD1=5.45/6.15=0.886OC1/OD1:OC1OD1,OC1OD1OB1/OD1,2a,0.1MPa,4.5m1.2m;0.15MPa,5.3m1.2m;0.2MPa,6.2m1.2mC5.47m,0.2MPa,0.2MPa(1)C0.2MPa,6.2m1.2mD,OC1.2m:6.2OC1/OD1=6.20.886=5.49mOC(OC=5.47m),C(2)BOB1.2m:6.2OB1/OD1=6.20.504=3.12mOB(OB=1.72m),B,0.2MPa,BC,213,q=K(10P)0.5,i=q/(ab),a,b,I,i=115(100.2)0.5/(3.45.2)=9.2L/(minm2)I[I=6L/(minm2)],0.2MPa,,0.2MPa21421411,,,3.4m5.2m,17.7m2,3.8m4.65m,17.7m2,21412P,,K,,3:;;,(),,1GB500842001,2005204S206:43007410:[phone]E2mail:[e-mail]:2009211212:2010202211