The pool fire cannot be ignited immediately.

[joker121-move]

Dear Expert,

Could you please help me understand why it takes approximately 20 seconds for my oil pool fire to fully ignite? Are there any settings that I might have configured incorrectly?

Thank you!

&HEAD CHID='DS-TJ'/
&TIME T_END=1000.0/
&DUMP RENDER_FILE='extinguish1', DT_RESTART=1.0, DT_SL3D=0.25/
&MISC SIMULATION_MODE='LES', TURBULENCE_MODEL='DYNAMIC SMAGORINSKY'/
%&MISC CHECK_HT=TRUE./

&MESH ID='Mesh01', IJK=40,40,40, XB=-0.8,0.0,0.0,0.8,0.0,0.8/
&MESH ID='Mesh02', IJK=50,40,23, XB=0.0,1.0,0.0,0.8,0.0,0.46/
&MESH ID='Mesh03', IJK=50,40,23, XB=1.0,2.0,0.0,0.8,0.0,0.46/
&MESH ID='Mesh04', IJK=33,40,23, XB=2.0,2.66,0.0,0.8,0.0,0.46/
&MESH ID='Mesh05', IJK=9,80,46, XB=2.66,2.75,0.0,0.8,0.0,0.46/
&MESH ID='Mesh06', IJK=50,160,14, XB=2.75,3.0,0.0,0.8,0.46,0.53/
&MESH ID='Mesh07', IJK=50,160,12, XB=2.75,3.0,0.0,0.8,0.4,0.46/
&MESH ID='Mesh08', IJK=25,80,10, XB=2.75,3.0,0.0,0.8,0.3,0.4/
&MESH ID='Mesh09', IJK=25,80,10, XB=2.75,3.0,0.0,0.8,0.2,0.3/
&MESH ID='Mesh10', IJK=25,80,10, XB=2.75,3.0,0.0,0.8,0.1,0.2/
&MESH ID='Mesh11', IJK=25,80,10, XB=2.75,3.0,0.0,0.8,0.0,0.1/
&MESH ID='Mesh12', IJK=10,80,46, XB=3.0,3.1,0.0,0.8,0.0,0.46/
&MESH ID='Mesh13', IJK=45,40,23, XB=3.1,4.0,0.0,0.8,0.0,0.46/
&MESH ID='Mesh14', IJK=50,40,23, XB=4.0,5.0,0.0,0.8,0.0,0.46/
&MESH ID='Mesh15', IJK=60,40,23, XB=5.0,6.2,0.0,0.8,0.0,0.46/
&MESH ID='Mesh16', IJK=30,40,23, XB=6.2,6.8,0.0,0.8,0.0,0.46/
&MESH ID='Mesh17', IJK=60,40,23, XB=6.8,8.0,0.0,0.8,0.0,0.46/

&REAC FUEL= 'N-HEPTANE'
FYI= 'Heptane C7H16'
CO_YIELD= 0.010
SOOT_YIELD= 0.037 /
&MATL ID = 'N-HEPTANE LIQUID'
EMISSIVITY= 1.
NU_SPEC= 1.
SPEC_ID= 'N-HEPTANE'
HEAT_OF_REACTION= 317
CONDUCTIVITY= 0.14
SPECIFIC_HEAT= 2.24
DENSITY= 675
ABSORPTION_COEFFICIENT= 333
BOILING_TEMPERATURE = 98.35 /

&MATL ID= 'STEEL'
EMISSIVITY = 1.0
DENSITY= 7850.
CONDUCTIVITY = 45.8
SPECIFIC_HEAT = 0.46 /
&SURF ID= 'N-HEPTANE POOL'
COLOR= 'YELLOW'
MATL_ID = 'N-HEPTANE LIQUID'
THICKNESS = 0.1 /
&SURF ID = 'STEEL'
COLOR = 'BLACK'
MATL_ID = 'STEEL'
BACKING = 'EXPOSED'
THICKNESS = 0.003 /

&OBST XB=6.4,6.6,0.3,0.5,0.00,0.01, SURF_IDS='N-HEPTANE POOL','STEEL','STEEL' /
&OBST XB=6.4,6.4,0.3,0.5,0.00,0.14, SURF_ID='STEEL' /
&OBST XB=6.4,6.6,0.3,0.3,0.00,0.14, SURF_ID='STEEL' /
&OBST XB=6.4,6.6,0.5,0.5,0.00,0.14, SURF_ID='STEEL' /
&OBST XB=6.6,6.6,0.3,0.5,0.00,0.14, SURF_ID='STEEL' /

&MATL ID='CONCRETE',
FYI='NBSIR 88-3752 - ATF NIST Multi-Floor Validation',
SPECIFIC_HEAT=1.04,
CONDUCTIVITY=1.8,
DENSITY=2280.0/
&MATL ID='Glass',
FYI='Drysdale_Table 2.1_2.7',
SPECIFIC_HEAT=0.84,
CONDUCTIVITY=0.76,
DENSITY=2700.0,
EMISSIVITY=0.92/

&SURF ID='concrete',
RGB=204,204,204,
TRANSPARENCY=0.27451,
BACKING='VOID',
MATL_ID(1,1)='CONCRETE',
MATL_MASS_FRACTION(1,1)=1.0,
THICKNESS(1)=0.1/
&SURF ID='Glass',
RGB=204,204,204,
TRANSPARENCY=0.6,
BACKING='VOID',
MATL_ID(1,1)='Glass',
MATL_MASS_FRACTION(1,1)=1.0,
THICKNESS(1)=5.0E-3/
&SURF ID='Supply',
RGB=26,204,26,
VEL=-2.165,
VEL_T=1.25,0.0/

&OBST ID='ENDING', XB=8.0,8.0,0.0,0.8,0.0,0.46, SURF_ID='concrete'/
&OBST ID='Floor', XB=0.0,8.0,0.0,0.8,0.0,0.0, SURF_ID='concrete'/
&OBST ID='BackWall', XB=0.0,8.0,0.8,0.8,0.0,0.45, SURF_ID='Glass'/
&OBST ID='FrontWall', XB=0.0,8.0,0.0,0.0,0.0,0.45, COLOR='INVISIBLE', SURF_ID='Glass'/
&OBST ID='Ceiling1', XB=0.0,2.8,0.0,0.8,0.46,0.46, SURF_ID='concrete'/
&OBST ID='Ceiling2', XB=2.96,8.0,0.0,0.8,0.46,0.46, SURF_ID='concrete'/
&OBST ID='Obstruction', XB=2.76,2.765,0.0,0.8,0.525,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.765,2.77,0.0,0.8,0.515,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.77,2.775,0.0,0.8,0.51,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.775,2.78,0.0,0.8,0.5,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.78,2.785,0.0,0.8,0.49,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.785,2.79,0.0,0.8,0.48,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.79,2.795,0.0,0.8,0.475,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.795,2.8,0.0,0.8,0.465,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.76,2.76,0.0,0.8,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.765,2.765,0.0,0.8,0.515,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.77,2.77,0.0,0.8,0.51,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.775,2.775,0.0,0.8,0.5,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.78,2.78,0.0,0.8,0.49,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.785,2.785,0.0,0.8,0.48,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.79,2.79,0.0,0.8,0.475,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.795,2.795,0.0,0.8,0.465,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.8,2.8,0.0,0.8,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.845,0.0,0.8,0.525,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.85,0.0,0.8,0.515,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.855,0.0,0.8,0.51,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.86,0.0,0.8,0.5,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.865,0.0,0.8,0.49,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.87,0.0,0.8,0.48,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.875,0.0,0.8,0.475,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.88,0.0,0.8,0.465,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.84,0.0,0.8,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.845,0.0,0.8,0.515,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.85,0.0,0.8,0.51,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.855,0.0,0.8,0.5,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.86,0.0,0.8,0.49,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.865,0.0,0.8,0.48,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.87,0.0,0.8,0.475,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.875,0.0,0.8,0.465,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.88,2.88,0.0,0.8,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.76,2.765,0.0,0.0,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.765,2.77,0.0,0.0,0.515,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.77,2.775,0.0,0.0,0.51,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.775,2.78,0.0,0.0,0.5,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.78,2.785,0.0,0.0,0.489096,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.785,2.79,0.0,0.0,0.48,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.79,2.795,0.0,0.0,0.475,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.795,2.8,0.0,0.0,0.465,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.8,2.84,0.0,0.0,0.46,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.845,0.0,0.0,0.46,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.875,0.0,0.0,0.46,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.87,0.0,0.0,0.46,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.865,0.0,0.0,0.46,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.86,0.0,0.0,0.46,0.500904, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.855,0.0,0.0,0.46,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.85,0.0,0.0,0.46,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.88,0.0,0.0,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.88,0.8,0.8,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.79,2.795,0.8,0.8,0.475,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.795,2.8,0.8,0.8,0.465,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.8,2.84,0.8,0.8,0.46,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.845,0.8,0.8,0.46,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.875,0.8,0.8,0.46,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.87,0.8,0.8,0.46,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.865,0.8,0.8,0.46,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.86,0.8,0.8,0.46,0.500904, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.855,0.8,0.8,0.46,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.85,0.8,0.8,0.46,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.785,2.79,0.8,0.8,0.48,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.78,2.785,0.8,0.8,0.489096,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.775,2.78,0.8,0.8,0.5,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.77,2.775,0.8,0.8,0.51,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.765,2.77,0.8,0.8,0.515,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.76,2.765,0.8,0.8,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.92,2.925,0.0,0.8,0.525,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.925,2.93,0.0,0.8,0.515,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.93,2.935,0.0,0.8,0.51,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.935,2.94,0.0,0.8,0.5,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.94,2.945,0.0,0.8,0.49,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.945,2.95,0.0,0.8,0.48,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.95,2.955,0.0,0.8,0.475,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.955,2.96,0.0,0.8,0.465,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.92,2.92,0.0,0.8,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.925,2.925,0.0,0.8,0.515,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.93,2.93,0.0,0.8,0.51,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.935,2.935,0.0,0.8,0.5,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.94,2.94,0.0,0.8,0.49,0.5, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.945,2.945,0.0,0.8,0.48,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.95,2.95,0.0,0.8,0.475,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.955,2.955,0.0,0.8,0.465,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.96,2.96,0.0,0.8,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.845,0.0,0.0,0.525,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.85,0.0,0.0,0.515,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.855,0.0,0.0,0.51,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.86,0.0,0.0,0.5,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.865,0.0,0.0,0.489096,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.87,0.0,0.0,0.48,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.875,0.0,0.0,0.475,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.88,0.0,0.0,0.465,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.88,2.92,0.0,0.0,0.46,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.92,2.925,0.0,0.0,0.46,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.95,2.955,0.0,0.0,0.46,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.945,2.95,0.0,0.0,0.46,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.94,2.945,0.0,0.0,0.46,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.935,2.94,0.0,0.0,0.46,0.500904, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.93,2.935,0.0,0.0,0.46,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.925,2.93,0.0,0.0,0.46,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.955,2.96,0.0,0.0,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.955,2.96,0.8,0.8,0.46,0.465, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.87,2.875,0.8,0.8,0.475,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.875,2.88,0.8,0.8,0.465,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.88,2.92,0.8,0.8,0.46,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.92,2.925,0.8,0.8,0.46,0.525, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.95,2.955,0.8,0.8,0.46,0.475, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.945,2.95,0.8,0.8,0.46,0.48, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.94,2.945,0.8,0.8,0.46,0.49, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.935,2.94,0.8,0.8,0.46,0.500904, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.93,2.935,0.8,0.8,0.46,0.51, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.925,2.93,0.8,0.8,0.46,0.515, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.865,2.87,0.8,0.8,0.48,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.86,2.865,0.8,0.8,0.489096,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.855,2.86,0.8,0.8,0.5,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.85,2.855,0.8,0.8,0.51,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.845,2.85,0.8,0.8,0.515,0.53, SURF_ID='INERT'/
&OBST ID='Obstruction', XB=2.84,2.845,0.8,0.8,0.525,0.53, SURF_ID='INERT'/

&VENT ID='Mesh Vent: Mesh01 [XMAX]', SURF_ID='OPEN', XB=0.0,0.0,0.0,0.8,0.46,0.8/
&VENT ID='Mesh Vent: Mesh01 [XMIN]', SURF_ID='OPEN', XB=-0.8,-0.8,0.0,0.8,0.0,0.8/
&VENT ID='Mesh Vent: Mesh01 [YMAX]', SURF_ID='OPEN', XB=-0.8,0.0,0.8,0.8,0.0,0.8/
&VENT ID='Mesh Vent: Mesh01 [YMIN]', SURF_ID='OPEN', XB=-0.8,0.0,0.0,0.0,0.0,0.8/
&VENT ID='Mesh Vent: Mesh01 [ZMAX]', SURF_ID='OPEN', XB=-0.8,0.0,0.0,0.8,0.8,0.8/
&VENT ID='Mesh Vent: Mesh01 [ZMIN]', SURF_ID='OPEN', XB=-0.8,0.0,0.0,0.8,0.0,0.0/
&VENT ID='Aircurtain', SURF_ID='Supply', XB=2.76,2.84,0.0,0.8,0.53,0.53/
&VENT ID='Aircurtain01', SURF_ID='HVAC', XB=2.84,2.92,0.0,0.8,0.53,0.53, ,UVW=0.577,0,-1/

&VENT ID='Vent01', SURF_ID='HVAC', XB=7.4,7.6,0.3,0.5,0.46,0.46/

&HVAC ID='Node01', TYPE_ID='NODE', DUCT_ID='Duct01', VENT_ID='Vent01'/
&HVAC ID='Node02', TYPE_ID='NODE', DUCT_ID='Duct01', VENT_ID='Aircurtain01'/
&HVAC ID='Duct01', TYPE_ID='DUCT', DIAMETER=0.3, VOLUME_FLOW=0.2, NODE_ID='Node01','Node02', ROUGHNESS=1.0E-3, LENGTH=4.62053/
·

&DEVC ID='GAS7', QUANTITY='VELOCITY', XYZ=2.92,0.7,0.46/
&DEVC ID='GAS6', QUANTITY='VELOCITY', XYZ=2.92,0.6,0.46/
&DEVC ID='GAS5', QUANTITY='VELOCITY', XYZ=2.92,0.5,0.46/
&DEVC ID='GAS4', QUANTITY='VELOCITY', XYZ=2.92,0.4,0.46/
&DEVC ID='GAS3', QUANTITY='VELOCITY', XYZ=2.92,0.3,0.46/
&DEVC ID='GAS2', QUANTITY='VELOCITY', XYZ=2.92,0.2,0.46/
&DEVC ID='GAS1', QUANTITY='VELOCITY', XYZ=2.92,0.1,0.46/
&DEVC ID='GAS01', QUANTITY='VELOCITY', XYZ=2.84,0.7,0.46/
&DEVC ID='GAS02', QUANTITY='VELOCITY', XYZ=2.84,0.6,0.46/
&DEVC ID='GAS03', QUANTITY='VELOCITY', XYZ=2.84,0.5,0.46/
&DEVC ID='GAS04', QUANTITY='VELOCITY', XYZ=2.84,0.4,0.46/
&DEVC ID='GAS05', QUANTITY='VELOCITY', XYZ=2.84,0.3,0.46/
&DEVC ID='GAS06', QUANTITY='VELOCITY', XYZ=2.84,0.2,0.46/
&DEVC ID='GAS07', QUANTITY='VELOCITY', XYZ=2.84,0.1,0.46/

&SLCF QUANTITY='VELOCITY', VECTOR=.TRUE., CELL_CENTERED=.TRUE., PBY=0.4/
&SLCF QUANTITY='TEMPERATURE', PBY=0.4/
&SLCF QUANTITY='VOLUME FRACTION', SPEC_ID='OXYGEN', PBY=0.4/
%&SLCF QUANTITY='VOLUME FRACTION', SPEC_ID='REAC FUEL', PBY=0.4/

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

[drjfloyd]

THICKNESS = 0.1

How long do you think it should take to heat up 10 cm of heptane so that you reach the peak burning rate?