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rmcdermormcdermo
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Merge pull request #14014 from rmcdermo/master
FDS Verification: add Kashiwagi cellulose model and TGA cases
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‎Utilities/Input_Libraries/MATL/cellulose_1C_MATL.fds‎

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&MATL ID = 'MOISTURE'
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DENSITY = 1000.
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CONDUCTIVITY = 0.062
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SPECIFIC_HEAT = 4.184
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N_REACTIONS = 1
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N_S = 1.0
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N_T = 0.
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A = 4.29E+03
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E = 4.38E+04
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SPEC_ID = 'WATER VAPOR'
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NU_SPEC = 1.0
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HEAT_OF_REACTION = 2410./
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&MATL ID = 'CELLULOSE'
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FYI = 'Kashiwagi and Nambu CNF 1992, Table 1'
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DENSITY = 360.
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CONDUCTIVITY_RAMP = 'k dry wood'
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SPECIFIC_HEAT_RAMP = 'c_v dry wood'
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N_REACTIONS = 2
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N_S = 1.8,1.3
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N_T = 0,0
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N_O2 = 0.0,0.5
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A = 1.803e+15,4.276e+11
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E = 2.2E+05,1.6E+05
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MATL_ID(1,1) = 'CHAR'
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NU_MATL(1,1) = 0.24
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SPEC_ID(1:4,1) = 'WATER VAPOR','CARBON MONOXIDE','CARBON DIOXIDE','FUEL VAPOR'
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NU_SPEC(1:4,1) = 0.5,0.01,0.03,0.22
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MATL_ID(1,2) = 'CHAR'
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NU_MATL(1,2) = 0.21
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SPEC_ID(1:5,2) = 'OXYGEN','WATER VAPOR','CARBON MONOXIDE','CARBON DIOXIDE','FUEL VAPOR'
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NU_SPEC(1:5,2) = -0.41,0.8,0.08,0.24,0.08
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HEAT_OF_REACTION(1:2) = 570.,-5700.
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ADJUST_H = F/
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&MATL ID = 'CHAR'
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DENSITY = 75.
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CONDUCTIVITY_RAMP = 'k + k_r char'
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SPECIFIC_HEAT_RAMP = 'c_v char'
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N_REACTIONS = 1
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N_S = 1
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N_O2 = 0.78
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A = 5.667e+09
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E = 1.6E+05
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MATL_ID(1,1) = 'ASH'
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NU_MATL(1,1) = 0.03
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SPEC_ID(1:4,1) = 'OXYGEN','WATER VAPOR','CARBON MONOXIDE','CARBON DIOXIDE'
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NU_SPEC(1:4,1) = -1.65,0.3,0.5,1.82
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HEAT_OF_REACTION(1) = -25000.
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ADJUST_H = F
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GAS_DIFFUSION_DEPTH = 0.001/
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&MATL ID = 'ASH'
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DENSITY = 5.0
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CONDUCTIVITY_RAMP = 'k + k_r ash'
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SPECIFIC_HEAT_RAMP = 'c_v ash'/
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! from Lautenberger
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&RAMP ID='k dry wood', T= 20.0, F=0.173549 /
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&RAMP ID='k dry wood', T= 300.0, F=0.258492 /
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&RAMP ID='k dry wood', T= 600.0, F=0.331944 /
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&RAMP ID='k dry wood', T= 900.0, F=0.395609 /
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&RAMP ID='k dry wood', T=1200.0, F=0.452913 /
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! 1.15 from Kashiwagi paper
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&RAMP ID='c_v dry wood', T= 20.0, F=2.5 /
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&RAMP ID='c_v dry wood', T= 300.0, F=2.5 /
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&RAMP ID='c_v dry wood', T= 600.0, F=2.5 /
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&RAMP ID='c_v dry wood', T= 900.0, F=2.5 /
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&RAMP ID='c_v dry wood', T=1200.0, F=2.5 /
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# includes effective radiative conductivity
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&RAMP ID='k + k_r char', T= 20.0, F=0.069043 /
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&RAMP ID='k + k_r char', T= 300.0, F=0.121335 /
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&RAMP ID='k + k_r char', T= 600.0, F=0.227944 /
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&RAMP ID='k + k_r char', T= 900.0, F=0.419637 /
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&RAMP ID='k + k_r char', T=1200.0, F=0.727922 /
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&RAMP ID='c_v char', T= 20.0, F=1.5 /
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&RAMP ID='c_v char', T= 300.0, F=1.5 /
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&RAMP ID='c_v char', T= 600.0, F=1.5 /
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&RAMP ID='c_v char', T= 900.0, F=1.5 /
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&RAMP ID='c_v char', T=1200.0, F=1.5 /
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# includes effective radiative conductivity
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&RAMP ID='k + k_r ash', T= 20.0, F=0.066647 /
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&RAMP ID='k + k_r ash', T= 300.0, F=0.141158 /
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&RAMP ID='k + k_r ash', T= 600.0, F=0.326017 /
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&RAMP ID='k + k_r ash', T= 900.0, F=0.679571 /
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&RAMP ID='k + k_r ash', T=1200.0, F=1.261558 /
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&RAMP ID='c_v ash', T= 20.0, F=1.5 /
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&RAMP ID='c_v ash', T= 300.0, F=1.5 /
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&RAMP ID='c_v ash', T= 600.0, F=1.5 /
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&RAMP ID='c_v ash', T= 900.0, F=1.5 /
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&RAMP ID='c_v ash', T=1200.0, F=1.5 /
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‎Verification/FDS_Cases.sh‎

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$QFDS -d Pyrolysis cable_23_jacket_mcc.fds
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$QFDS -d Pyrolysis cable_701_jacket_mcc.fds
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$QFDS -d Pyrolysis cell_burn_away.fds
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$QFDS -d Pyrolysis cellulose_TGA_1KPM_Air.fds
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$QFDS -d Pyrolysis cellulose_TGA_3KPM_Air.fds
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$QFDS -d Pyrolysis cellulose_TGA_5KPM_Air.fds
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$QFDS -d Pyrolysis birch_tga_1step_2.fds
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$QFDS -d Pyrolysis birch_tga_1step_20.fds
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$QFDS -d Pyrolysis enthalpy.fds

‎Verification/Pyrolysis/cellulose_TGA_1KPM_Air.fds‎

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&HEAD CHID='cellulose_TGA_1KPM_Air', TITLE='Kashiwagi and Nambu CNF 1992'/
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&MESH IJK=10,10,10,XB=-.5,.5,-.5,.5,0,1/
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&TIME T_END=1. /
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&SPEC ID='NITROGEN', BACKGROUND=T/
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&SPEC ID='OXYGEN', MASS_FRACTION_0=0.23/
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&SPEC ID='WATER VAPOR'/
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&SPEC ID='CARBON MONOXIDE'/
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&SPEC ID='CARBON DIOXIDE'/
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&SPEC ID='FUEL VAPOR'/
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&SURF ID = 'FUEL'
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MATL_ID = 'CELLULOSE'
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SURFACE_VOLUME_RATIO = 7590
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LENGTH = 0.1
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GEOMETRY = 'CYLINDRICAL'
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TGA_ANALYSIS = T
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TGA_HEATING_RATE = 1./
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&PART ID='FUEL', SAMPLING_FACTOR=1, SURF_ID='FUEL' /
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&INIT PART_ID='FUEL', XYZ=0.0,0.0,0.3, N_PARTICLES=1/
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&CATF OTHER_FILES='../../Utilities/Input_Libraries/MATL/cellulose_1C_MATL.fds'/
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&TAIL /

‎Verification/Pyrolysis/cellulose_TGA_3KPM_Air.fds‎

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&HEAD CHID='cellulose_TGA_3KPM_Air', TITLE='Kashiwagi and Nambu CNF 1992'/
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&MESH IJK=10,10,10,XB=-.5,.5,-.5,.5,0,1/
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&TIME T_END=1. /
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&SPEC ID='NITROGEN', BACKGROUND=T/
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&SPEC ID='OXYGEN', MASS_FRACTION_0=0.23/
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&SPEC ID='WATER VAPOR'/
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&SPEC ID='CARBON MONOXIDE'/
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&SPEC ID='CARBON DIOXIDE'/
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&SPEC ID='FUEL VAPOR'/
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&SURF ID = 'FUEL'
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MATL_ID = 'CELLULOSE'
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SURFACE_VOLUME_RATIO = 7590
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LENGTH = 0.1
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GEOMETRY = 'CYLINDRICAL'
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TGA_ANALYSIS = T
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TGA_HEATING_RATE = 3./
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&PART ID='FUEL', SAMPLING_FACTOR=1, SURF_ID='FUEL' /
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&INIT PART_ID='FUEL', XYZ=0.0,0.0,0.3, N_PARTICLES=1/
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&CATF OTHER_FILES='../../Utilities/Input_Libraries/MATL/cellulose_1C_MATL.fds'/
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&TAIL /

‎Verification/Pyrolysis/cellulose_TGA_5KPM_Air.fds‎

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&HEAD CHID='cellulose_TGA_5KPM_Air', TITLE='Kashiwagi and Nambu CNF 1992'/
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&MESH IJK=10,10,10,XB=-.5,.5,-.5,.5,0,1/
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&TIME T_END=1. /
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&SPEC ID='NITROGEN', BACKGROUND=T/
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&SPEC ID='OXYGEN', MASS_FRACTION_0=0.23/
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&SPEC ID='WATER VAPOR'/
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&SPEC ID='CARBON MONOXIDE'/
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&SPEC ID='CARBON DIOXIDE'/
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&SPEC ID='FUEL VAPOR'/
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&SURF ID = 'FUEL'
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MATL_ID = 'CELLULOSE'
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SURFACE_VOLUME_RATIO = 7590
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LENGTH = 0.1
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GEOMETRY = 'CYLINDRICAL'
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TGA_ANALYSIS = T
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TGA_HEATING_RATE = 5./
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&PART ID='FUEL', SAMPLING_FACTOR=1, SURF_ID='FUEL' /
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&INIT PART_ID='FUEL', XYZ=0.0,0.0,0.3, N_PARTICLES=1/
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&CATF OTHER_FILES='../../Utilities/Input_Libraries/MATL/cellulose_1C_MATL.fds'/
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&TAIL /

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