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yerui1992

新虫 (初入文坛)

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虫号: 3647321
注册: 2015-01-15

[求助] FDS火焰无蔓延现象已有3人参与

用FDS模拟房间内的火灾，设置了一个60kw的点火源，为什么一直都没有火焰蔓延的现象呢？就是只在燃烧器的上方出现火焰其他地方基本上都没有火焰。
附上相应的FDS程序，了解这方面的人可以指点一二吗？
非常感谢！在这个问题上已经纠结一个月了。。。。。。
&MESH ID='FIRE', IJK=52,54,24, XB=0.0,5.2,-0.8,4.6,0.0,2.4/

&REAC ID='POLYURETHANE_REAC',
   FYI='SFPE Handbook, GM27',
   FUEL='REAC_FUEL',
   C=1.0,
   H=1.7,
   O=0.3,
   N=0.08,
   CO_YIELD=0.042,
   SOOT_YIELD=0.198/

&MATL ID='CONCRETE',
   FYI='NBSIR 88-3752 - ATF NIST Multi-Floor Validation',
   SPECIFIC_HEAT=1.04,
   CONDUCTIVITY=1.8,
   DENSITY=2280.0/
&MATL ID='FOAM',
   FYI='Caution: Reaction Rate Not Validated, remaining data from Jukka Hietaniemi, et al., "FDS simulation of fire spread..."',
   SPECIFIC_HEAT=1.7,
   CONDUCTIVITY=0.05,
   DENSITY=28.0,
   HEAT_OF_COMBUSTION=2.54E4,
   N_REACTIONS=1,
   HEAT_OF_REACTION=1750.0,
   SPEC_ID(1,1)='REAC_FUEL',
   NU_SPEC(1,1)=1.0,
   REFERENCE_TEMPERATURE=350.0/
&MATL ID='YELLOW PINE',
   FYI='Quintiere, Fire Behavior - NIST NRC Validation',
   SPECIFIC_HEAT=2.85,
   CONDUCTIVITY=0.14,
   DENSITY=640.0/

&SURF ID='墙面',
   COLOR='GRAY 80',
   MATL_ID(1,1)='CONCRETE',
   MATL_MASS_FRACTION(1,1)=1.0,
   THICKNESS(1)=0.013/
&SURF ID='家具',
   RGB=255,102,102,
   BURN_AWAY=.TRUE.,
   BACKING='INSULATED',
   MATL_ID(1,1)='FOAM',
   MATL_MASS_FRACTION(1,1)=1.0,
   THICKNESS(1)=0.2/
&SURF ID='some',
   RGB=153,51,0,
   BURN_AWAY=.TRUE.,
   MATL_ID(1,1)='YELLOW PINE',
   MATL_MASS_FRACTION(1,1)=1.0,
   THICKNESS(1)=0.2/
&SURF ID='BURNER',
   COLOR='RED',
   HRRPUA=1000.0/

&OBST XB=1.5,3.1,3.8,4.6,0.0,0.4, COLOR='WHITE', SURF_ID='INERT'/ Obstruction
&OBST XB=1.5,3.1,3.8,4.6,0.4,0.6, SURF_ID='家具'/ Obstruction
&OBST XB=1.3,1.5,3.8,4.6,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=3.1,3.3,3.8,4.6,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=1.5,3.1,4.4,4.6,0.6,1.2, SURF_ID='家具'/ Obstruction
&OBST XB=4.0,4.6,3.8,4.6,0.0,0.4, COLOR='WHITE', SURF_ID='INERT'/ Obstruction
&OBST XB=4.0,4.6,3.8,4.6,0.4,0.6, SURF_ID='家具'/ Obstruction
&OBST XB=3.8,4.0,3.8,4.6,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=4.6,4.8,3.8,4.6,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=1.6,3.0,2.8,3.6,0.4,0.6, SURF_ID='some'/ Obstruction
&OBST XB=0.0,0.8,2.0,2.6,0.0,0.4, COLOR='WHITE', SURF_ID='INERT'/ Obstruction
&OBST XB=0.0,0.8,2.0,2.6,0.4,0.6, SURF_ID='家具'/ Obstruction
&OBST XB=0.0,0.8,1.8,2.0,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=0.0,0.8,2.6,2.8,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=0.0,0.2,2.0,2.6,0.0,0.9, SURF_ID='家具'/ Obstruction
&OBST XB=1.8,3.8,0.0,1.0,0.0,0.2, SURF_ID='家具'/ Obstruction
&OBST XB=2.0,2.4,1.6,2.0,0.0,0.4, SURF_ID='INERT'/ Obstruction
&OBST XB=2.0,2.4,1.6,2.0,0.4,0.6, SURF_ID='家具'/ Obstruction
&OBST XB=1.8,2.0,1.6,2.0,0.0,0.8, SURF_ID='家具'/ Obstruction
&OBST XB=2.4,2.6,1.6,2.0,0.0,0.8, SURF_ID='家具'/ Obstruction
&OBST XB=1.8,2.6,1.4,1.6,0.0,0.8, SURF_ID='家具'/ Obstruction
&OBST XB=4.4,5.2,1.0,2.0,0.0,0.8, SURF_ID='some'/ Obstruction
&OBST XB=0.0,5.2,-0.2,0.0,0.0,2.4, SURF_ID='墙面'/ Obstruction

&HOLE XB=4.0,4.9,-0.21,0.01,0.0,2.0/ Hole

&VENT SURF_ID='BURNER', XB=2.5,2.7,4.1,4.4,0.601,0.601/ Vent01
&VENT SURF_ID='OPEN', XB=0.0,5.2,-0.8,-0.8,0.0,2.4/ Vent02
&VENT SURF_ID='some', XB=0.0,5.2,0.0,4.6,0.01,0.01, RGB=51,153,255/ Vent03

&BNDF QUANTITY='BURNING RATE'/
&BNDF QUANTITY='GAUGE HEAT FLUX'/
&BNDF QUANTITY='WALL TEMPERATURE'/

&SLCF QUANTITY='TEMPERATURE', PBX=2.6/
&SLCF QUANTITY='VISIBILITY', PBZ=1.8/
&SLCF QUANTITY='TEMPERATURE', PBY=4.25/

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