Steady CH4/air flame: 4.00 cm/s (3.87 cc/s) CH4; 7.90 cm/s (633 cc/s) air Laser-induced incandescence measurements of soot volume fraction Radius H = 15 mm H = 20 mm H = 25 mm H = 30 mm H = 35 mm -7.00 -1.041E-0011 -2.269E-0011 7.784E-0010 1.220E-0010 2.894E-0012 -6.75 -1.007E-0011 1.971E-0010 -8.185E-0011 -4.239E-0011 4.633E-0011 -6.50 -9.783E-0012 -2.155E-0011 -7.983E-0011 4.219E-0011 -7.426E-0012 -6.25 3.456E-0011 -2.113E-0011 -7.827E-0011 1.284E-0010 3.599E-0012 -6.00 5.245E-0011 -2.083E-0011 -7.716E-0011 4.533E-0011 -7.178E-0012 -5.75 -9.351E-0012 -2.065E-0011 -4.089E-0011 -3.962E-0011 -7.117E-0012 -5.50 -9.351E-0012 -2.046E-0011 -3.991E-0011 3.489E-0010 -7.051E-0012 -5.25 9.828E-0011 8.043E-0011 -7.531E-0011 2.624E-0010 8.232E-0011 -5.00 6.329E-0011 -2.033E-0011 1.418E-0010 -3.900E-0011 -7.005E-0012 -4.75 8.867E-0012 1.453E-0010 -7.531E-0011 7.468E-0010 2.677E-0011 -4.50 5.109E-0010 1.457E-0010 1.806E-0010 3.988E-0010 -7.005E-0012 -4.25 1.092E-0009 1.213E-0010 -7.531E-0011 -3.900E-0011 1.182E-0010 -4.00 4.886E-0009 5.738E-0010 1.092E-0010 7.572E-0010 3.879E-0011 -3.75 5.092E-0009 2.054E-0009 -3.832E-0011 7.610E-0010 -7.005E-0012 -3.50 5.471E-0009 9.598E-0009 1.525E-0009 5.409E-0010 1.198E-0010 -3.25 3.897E-0009 1.889E-0008 1.094E-0008 3.648E-0010 1.085E-0010 -3.00 4.594E-0009 1.702E-0008 2.632E-0008 5.002E-0010 -7.005E-0012 -2.75 3.369E-0009 1.890E-0008 4.232E-0008 2.259E-0009 -7.005E-0012 -2.50 1.355E-0009 1.490E-0008 4.971E-0008 4.884E-0009 3.972E-0011 -2.25 4.534E-0010 1.037E-0008 4.662E-0008 1.691E-0008 -7.005E-0012 -2.00 5.108E-0010 7.886E-0009 3.992E-0008 4.011E-0008 -7.005E-0012 -1.75 4.548E-0010 4.426E-0009 3.610E-0008 5.261E-0008 -7.005E-0012 -1.50 3.989E-0010 5.179E-0009 3.024E-0008 7.240E-0008 2.833E-0011 -1.25 1.618E-0010 4.694E-0009 2.192E-0008 7.443E-0008 7.008E-0010 -1.00 1.144E-0010 1.406E-0009 2.294E-0008 8.906E-0008 1.871E-0009 -0.75 4.293E-0010 7.406E-0010 2.490E-0008 9.295E-0008 6.531E-0009 -0.50 1.242E-0010 1.249E-0009 1.874E-0008 9.466E-0008 1.079E-0008 -0.25 -9.351E-0012 1.182E-0009 2.146E-0008 9.636E-0008 1.570E-0008 0.00 5.825E-0010 2.599E-0009 1.696E-0008 1.055E-0007 1.882E-0008 0.25 -9.351E-0012 1.182E-0009 2.146E-0008 9.636E-0008 1.570E-0008 0.50 1.242E-0010 1.249E-0009 1.874E-0008 9.466E-0008 1.079E-0008 0.75 4.293E-0010 7.406E-0010 2.490E-0008 9.295E-0008 6.531E-0009 1.00 1.144E-0010 1.406E-0009 2.294E-0008 8.906E-0008 1.871E-0009 1.25 1.618E-0010 4.694E-0009 2.192E-0008 7.443E-0008 7.008E-0010 1.50 3.989E-0010 5.179E-0009 3.024E-0008 7.240E-0008 2.833E-0011 1.75 4.548E-0010 4.426E-0009 3.610E-0008 5.261E-0008 -7.005E-0012 2.00 5.108E-0010 7.886E-0009 3.992E-0008 4.011E-0008 -7.005E-0012 2.25 4.534E-0010 1.037E-0008 4.662E-0008 1.691E-0008 -7.005E-0012 2.50 1.355E-0009 1.490E-0008 4.971E-0008 4.884E-0009 3.972E-0011 2.75 3.369E-0009 1.890E-0008 4.232E-0008 2.259E-0009 -7.005E-0012 3.00 4.594E-0009 1.702E-0008 2.632E-0008 5.002E-0010 -7.005E-0012 3.25 3.897E-0009 1.889E-0008 1.094E-0008 3.648E-0010 1.085E-0010 3.50 5.471E-0009 9.598E-0009 1.525E-0009 5.409E-0010 1.198E-0010 3.75 5.092E-0009 2.054E-0009 -3.832E-0011 7.610E-0010 -7.005E-0012 4.00 4.886E-0009 5.738E-0010 1.092E-0010 7.572E-0010 3.879E-0011 4.25 1.092E-0009 1.213E-0010 -7.531E-0011 -3.900E-0011 1.182E-0010 4.50 5.109E-0010 1.457E-0010 1.806E-0010 3.988E-0010 -7.005E-0012 4.75 8.867E-0012 1.453E-0010 -7.531E-0011 7.468E-0010 2.677E-0011 5.00 6.329E-0011 -2.033E-0011 1.418E-0010 -3.900E-0011 -7.005E-0012 5.25 9.828E-0011 8.043E-0011 -7.531E-0011 2.624E-0010 8.232E-0011 5.50 -9.351E-0012 -2.046E-0011 -3.991E-0011 3.489E-0010 -7.051E-0012 5.75 -9.351E-0012 -2.065E-0011 -4.089E-0011 -3.962E-0011 -7.117E-0012 6.00 5.245E-0011 -2.083E-0011 -7.716E-0011 4.533E-0011 -7.178E-0012 6.25 3.456E-0011 -2.113E-0011 -7.827E-0011 1.284E-0010 3.599E-0012 6.50 -9.783E-0012 -2.155E-0011 -7.983E-0011 4.219E-0011 -7.426E-0012 6.75 -1.007E-0011 1.971E-0010 -8.185E-0011 -4.239E-0011 4.633E-0011 7.00 -1.041E-0011 -2.269E-0011 7.784E-0010 1.220E-0010 2.894E-0012