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试着在矩形域的天花板上模拟一个 2*30 m 的排气扇。我想知道我以前模拟排气扇的方式是不是对的

&MESH ID='MESH01',IJK=612,28,48, XB=-3,150,0,7,0,12/

&MESH ID='MESH01',IJK=336,14,24, XB=150,318,0,7,0,12/

 

\\TUNNEL GEOMETRY\\

&OBST XB=0,315,0,0.91,0,6.61,SURF_ID='CONCRETE',COLOR='BLUE'/1

&OBST XB=0,315,0.91,9.51,0,0.91,SURF_ID='ASPHALT SOIL',COLOR='BLUE'/2

&OBST XB=0,315,9.51,10.42,0,6.61,SURF_ID='CONCRETE',COLOR='BLUE'/3

&OBST XB=0,315,0,10.42,6.61,6.81,SURF_ID='CONCRETE',COLOR='BLUE'/4

&OBST XB=0,315,0,0.91,6.81,10,SURF_ID='CONCRETE',COLOR='BLUE'/5

&OBST XB=0,315,0.91,9.51,9.24,10,SURF_ID='CONCRETE',COLOR='BLUE'/7

&OBST XB=0,315,9.51,10.42,6.81,10,SURF_ID='CONCRETE',COLOR='BLUE'/6

 

&HOLE XB=-3.0,318,1.11,9.31,1.11,6.4,EVACUATION=.TRUE./

&HOLE XB=-3.0,318,1.11,9.31,7,9,EVACUATION=.TRUE./

 

Boundary condition (PORTALS)

********************************************

vents open to atmospshere

&SURF ID='WIND1', VEL=+10.4 /

&SURF ID='WIND2', VEL=-10.4 /

&VENT MB='XMIN', SURF_ID='WIND1',COLOR = 'BLUE',IOR=+1 /

&VENT MB='XMAX', SURF_ID='WIND2',COLOR = 'BLUE',IOR=-1/

&VENT MB='ZMAX', SURF_ID='OPEN'/

//////VENTILATION////////

&RAMP ID='FAN', T=0, F=0/

&RAMP ID='FAN', T=240, F=0/

&RAMP ID='FAN', T=300, F=1/

&RAMP ID='FAN', T=700.3, F=1/

&HVAC TYPE_ID='DUCT', ID='exhaust', NODE_ID='node 1','node 2', AREA=60,

LOSS=0,0, LENGTH=30, ROUGHNESS=0.001, VOLUME_FLOW=180, RAMP_ID='FAN' /

&HVAC TYPE_ID='NODE', ID='node 1', DUCT_ID='exhaust', XYZ=135,5.21,10.0, AMBIENT=.TRUE./

&HVAC TYPE_ID='NODE', ID='node 2', DUCT_ID='exhaust', XYZ=135,5.21,11.0, AMBIENT=.TRUE./

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AMBIENT=.TRUE意味着节点连接到域外的环境。这就像为 VENT 设置 SURF_ID='OPEN' 一样。您需要使用 VENT_ID 将节点连接到 FDS 域。

用户: (8.3k 分)
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