diff --git a/Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex b/Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex index dd8ba326bc..0a87cb2e06 100644 --- a/Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex +++ b/Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex @@ -3307,7 +3307,7 @@ \section{Radiation Shield (\texorpdfstring{\ct{radiation_shield}}{radiation_shie \section{Radiation from a gas-fired panel (\texorpdfstring{\ct{radiation_gas_panel}}{radiation_gas_panel}) } \label{radiation_gas_panel} -A gas-fired panel is often used as a source of thermal radiation in laboratory experiments. Here, the heat flux from an $h=30.48$~cm square panel is computed at distances of 10~cm, 15~cm, 25~cm, 38~cm, 46~cm, 61~cm, and 76~cm along its perpendicular center axis, and along a perpendicular line that is displaced laterally 14~cm and vertically 14~cm from the center axis, as illustrated in Fig.~\ref{radiation_gas_panel_plot}. We compare the results computed by FDS to those calculated using configuration factors. The temperature and emissivity of the panel are set to 1250~K and 0.7, respectively, and the ambient temperature is 273~K. +A gas-fired panel is often used as a source of thermal radiation in laboratory experiments. Here, the heat flux from an $h=30.48$~cm square panel is computed at distances of 10~cm, 15~cm, 25~cm, 38~cm, 46~cm, 61~cm, and 76~cm along its perpendicular center axis, and along a perpendicular line that is displaced laterally 14~cm and vertically 14~cm from the center axis, as illustrated in Fig.~\ref{radiation_gas_panel_plot}. We compare the results computed by FDS to those calculated using configuration factors. The temperature and emissivity of the panel are set to 1250~K and 0.7, respectively, and the ambient temperature is 0~K. The configuration factor, $\d F_{2 \rightarrow 1}$, describing the energy exchange between the radiant panel and a target with differential area $\d A_1$ located on a perpendicular line extending from the panel at the point $(\overline{x}, \overline{y})$ is computed from the following: \begin{align} diff --git a/Verification/Radiation/geom_rad.fds b/Verification/Radiation/geom_rad.fds index 8841dd5505..7d24e079d6 100644 --- a/Verification/Radiation/geom_rad.fds +++ b/Verification/Radiation/geom_rad.fds @@ -10,6 +10,8 @@ &TIME T_END=2 / +&MISC TMPA=-273.14/ + &SPEC ID='NITROGEN', BACKGROUND=.TRUE./ &RADI NUMBER_RADIATION_ANGLES=400 / diff --git a/Verification/Radiation/geom_rad_2.fds b/Verification/Radiation/geom_rad_2.fds index 2ae05bc6b8..620cce00c8 100644 --- a/Verification/Radiation/geom_rad_2.fds +++ b/Verification/Radiation/geom_rad_2.fds @@ -15,6 +15,8 @@ &TIME T_END=2 / +&MISC TMPA=-273.14/ + &SPEC ID='NITROGEN', BACKGROUND=.TRUE./ &RADI NUMBER_RADIATION_ANGLES=400 / diff --git a/Verification/Radiation/plate_view_factor_2D_100.fds b/Verification/Radiation/plate_view_factor_2D_100.fds index a25e1a4e07..2293506297 100644 --- a/Verification/Radiation/plate_view_factor_2D_100.fds +++ b/Verification/Radiation/plate_view_factor_2D_100.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 105.34 kW/m2 &MESH IJK=20,1,10, XB=0,2,-.5,.5,0,1 / -&TIME T_END=.1 DT = 0.001 / +&TIME T_END=.1 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ &RADI NUMBER_RADIATION_ANGLES = 100 / diff --git a/Verification/Radiation/plate_view_factor_2D_30.fds b/Verification/Radiation/plate_view_factor_2D_30.fds index d5cdd29c57..9a0ecdb51b 100644 --- a/Verification/Radiation/plate_view_factor_2D_30.fds +++ b/Verification/Radiation/plate_view_factor_2D_30.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 105.34 kW/m2 &MESH IJK=20,1,10, XB=0,2,-.5,.5,0,1 / -&TIME T_END=.1 DT = 0.001 / +&TIME T_END=.1 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ &RADI NUMBER_RADIATION_ANGLES = 30 / diff --git a/Verification/Radiation/plate_view_factor_2D_60.fds b/Verification/Radiation/plate_view_factor_2D_60.fds index 43678a4a22..6c027407ac 100644 --- a/Verification/Radiation/plate_view_factor_2D_60.fds +++ b/Verification/Radiation/plate_view_factor_2D_60.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 105.34 kW/m2 &MESH IJK=20,1,10, XB=0,2,-.5,.5,0,1 / -&TIME T_END=.1 DT = 0.001 / +&TIME T_END=.1 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ &RADI NUMBER_RADIATION_ANGLES = 60 / diff --git a/Verification/Radiation/plate_view_factor_cart_100.fds b/Verification/Radiation/plate_view_factor_cart_100.fds index cb4759829d..019c58ffa5 100644 --- a/Verification/Radiation/plate_view_factor_cart_100.fds +++ b/Verification/Radiation/plate_view_factor_cart_100.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2. &MESH IJK=20,20,10, XB=0,2,0,2,0,1 / -&TIME T_END=.01 DT = 0.001 / +&TIME T_END=.01 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ diff --git a/Verification/Radiation/plate_view_factor_cart_30.fds b/Verification/Radiation/plate_view_factor_cart_30.fds index 18ab59ef03..fddeb29bba 100644 --- a/Verification/Radiation/plate_view_factor_cart_30.fds +++ b/Verification/Radiation/plate_view_factor_cart_30.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2. &MESH IJK=20,20,10, XB=0,2,0,2,0,1 / -&TIME T_END=.01 DT = 0.001 / +&TIME T_END=.01 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ &RADI NUMBER_RADIATION_ANGLES = 30 / diff --git a/Verification/Radiation/plate_view_factor_cart_60.fds b/Verification/Radiation/plate_view_factor_cart_60.fds index 77778f53f5..224352219a 100644 --- a/Verification/Radiation/plate_view_factor_cart_60.fds +++ b/Verification/Radiation/plate_view_factor_cart_60.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2. &MESH IJK=20,20,10, XB=0,2,0,2,0,1 / -&TIME T_END=.01 DT = 0.001 / +&TIME T_END=.01 DT = 0.001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ &RADI NUMBER_RADIATION_ANGLES = 60 / diff --git a/Verification/Radiation/plate_view_factor_cyl_100.fds b/Verification/Radiation/plate_view_factor_cyl_100.fds index 43593c77c8..40770d048d 100644 --- a/Verification/Radiation/plate_view_factor_cyl_100.fds +++ b/Verification/Radiation/plate_view_factor_cyl_100.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 74.1 kW/m2 &MESH IJK=10,1,10, XB=0.0,3.0,-.5,.5,0.0,3.0 CYLINDRICAL = .TRUE. / -&TIME T_END=.1 DT = 0.0001 / +&TIME T_END=.1 DT = 0.0001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ diff --git a/Verification/Radiation/plate_view_factor_cyl_30.fds b/Verification/Radiation/plate_view_factor_cyl_30.fds index f02ef7b2d0..3c5d27cf17 100644 --- a/Verification/Radiation/plate_view_factor_cyl_30.fds +++ b/Verification/Radiation/plate_view_factor_cyl_30.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 74.1 kW/m2 &MESH IJK=10,1,10, XB=0.0,3.0,-.5,.5,0.0,3.0 CYLINDRICAL = .TRUE. / -&TIME T_END=.1 DT = 0.0001 / +&TIME T_END=.1 DT = 0.0001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ diff --git a/Verification/Radiation/plate_view_factor_cyl_60.fds b/Verification/Radiation/plate_view_factor_cyl_60.fds index 8cf2266bbe..9bbf7f2fb1 100644 --- a/Verification/Radiation/plate_view_factor_cyl_60.fds +++ b/Verification/Radiation/plate_view_factor_cyl_60.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 74.1 kW/m2 &MESH IJK=10,1,10, XB=0.0,3.0,-.5,.5,0.0,3.0 CYLINDRICAL = .TRUE. / -&TIME T_END=.1 DT = 0.0001 / +&TIME T_END=.1 DT = 0.0001 / -&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0./ +&MISC GVEC=0,0,0,Y_CO2_INFTY=0.,HUMIDITY=0.,TMPA=-273.14/ diff --git a/Verification/Radiation/plate_view_factor_ibm_100.fds b/Verification/Radiation/plate_view_factor_ibm_100.fds index 7fe028e97b..bb98458082 100644 --- a/Verification/Radiation/plate_view_factor_ibm_100.fds +++ b/Verification/Radiation/plate_view_factor_ibm_100.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 &MESH IJK=100,100,100, XB=-1.0,2.0,-0.5,2.5,-0.5,2.5 / -&TIME T_END=.01 DT=0.001 / +&TIME T_END=.01 DT=0.001 / -&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0. / +&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0.,TMPA=-273.14 / &RADI NUMBER_RADIATION_ANGLES=100 / @@ -27,7 +27,7 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 VERTS= 0.0 , 0.0, 0.0 1.414214, 0.0, 1.414214 1.414214, 2.0, 1.414214 - 0.0 , 2.0, 0.0 + 0.0 , 2.0, 0.0 -0.07071 , 0.0, 0.07071 1.343503, 0.0, 1.484924 1.343503, 2.0, 1.484924 @@ -50,10 +50,10 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 0.636396, 0.0, 2.192031 0.636396, 2.0, 2.192031 -0.77782 , 2.0, 0.777817 - -0.84853 , 0.0, 0.84853 + -0.84853 , 0.0, 0.84853 0.565685, 0.0, 2.262742 0.565685, 2.0, 2.262742 - -0.84853 , 2.0, 0.84853 + -0.84853 , 2.0, 0.84853 FACES=1,2,6, 1 1,6,5, 1 2,3,7, 1 diff --git a/Verification/Radiation/plate_view_factor_ibm_30.fds b/Verification/Radiation/plate_view_factor_ibm_30.fds index 08e22a641b..37826c1641 100644 --- a/Verification/Radiation/plate_view_factor_ibm_30.fds +++ b/Verification/Radiation/plate_view_factor_ibm_30.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 &MESH IJK=100,100,100, XB=-1.0,2.0,-0.5,2.5,-0.5,2.5 / -&TIME T_END=.01 DT=0.001 / +&TIME T_END=.01 DT=0.001 / -&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0. / +&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0.,TMPA=-273.14 / &RADI NUMBER_RADIATION_ANGLES=30 / @@ -27,7 +27,7 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 VERTS= 0.0 , 0.0, 0.0 1.414214, 0.0, 1.414214 1.414214, 2.0, 1.414214 - 0.0 , 2.0, 0.0 + 0.0 , 2.0, 0.0 -0.07071 , 0.0, 0.07071 1.343503, 0.0, 1.484924 1.343503, 2.0, 1.484924 @@ -50,10 +50,10 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 0.636396, 0.0, 2.192031 0.636396, 2.0, 2.192031 -0.77782 , 2.0, 0.777817 - -0.84853 , 0.0, 0.84853 + -0.84853 , 0.0, 0.84853 0.565685, 0.0, 2.262742 0.565685, 2.0, 2.262742 - -0.84853 , 2.0, 0.84853 + -0.84853 , 2.0, 0.84853 FACES=1,2,6, 1 1,6,5, 1 2,3,7, 1 diff --git a/Verification/Radiation/plate_view_factor_ibm_60.fds b/Verification/Radiation/plate_view_factor_ibm_60.fds index 7180ab1ecc..0ff4551528 100644 --- a/Verification/Radiation/plate_view_factor_ibm_60.fds +++ b/Verification/Radiation/plate_view_factor_ibm_60.fds @@ -4,9 +4,9 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 &MESH IJK=100,100,100, XB=-1.0,2.0,-0.5,2.5,-0.5,2.5 / -&TIME T_END=.01 DT=0.001 / +&TIME T_END=.01 DT=0.001 / -&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0. / +&MISC GVEC=0,0,0, Y_CO2_INFTY=0., HUMIDITY=0.,TMPA=-273.14 / &RADI NUMBER_RADIATION_ANGLES=60 / @@ -27,7 +27,7 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 VERTS= 0.0 , 0.0, 0.0 1.414214, 0.0, 1.414214 1.414214, 2.0, 1.414214 - 0.0 , 2.0, 0.0 + 0.0 , 2.0, 0.0 -0.07071 , 0.0, 0.07071 1.343503, 0.0, 1.484924 1.343503, 2.0, 1.484924 @@ -50,10 +50,10 @@ The RADIATIVE HEAT FLUX should be 81.8 kW/m2 0.636396, 0.0, 2.192031 0.636396, 2.0, 2.192031 -0.77782 , 2.0, 0.777817 - -0.84853 , 0.0, 0.84853 + -0.84853 , 0.0, 0.84853 0.565685, 0.0, 2.262742 0.565685, 2.0, 2.262742 - -0.84853 , 2.0, 0.84853 + -0.84853 , 2.0, 0.84853 FACES=1,2,6, 1 1,6,5, 1 2,3,7, 1 diff --git a/Verification/Radiation/radiation_gas_panel.fds b/Verification/Radiation/radiation_gas_panel.fds index 5183f0b7ba..c37865d362 100644 --- a/Verification/Radiation/radiation_gas_panel.fds +++ b/Verification/Radiation/radiation_gas_panel.fds @@ -2,7 +2,7 @@ &TIME T_END=1.5 / -&MISC TMPA=0 / +&MISC TMPA=-273.14 / &MESH IJK=90,30,30, XB=0.0,0.3,-0.1524, 0.1524,-0.1524, 0.1524, MULT_ID='mesh' / &MULT ID='mesh', DX=0.3, I_UPPER=2 /