OCR Text |
Show E u a C3 5 "w T3 K 0 5 0.4 0 3 0.2 0.1 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 0.5 0.4 0.3 0.2 0.1 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 01 - Oxygen . x=1.05D ft Lx* * I.I.I.I.I.I.I - x=1.35D .I.I,I.I.I.I.I.I.I.I.I x=1.9D I.I.I.I.I.I,I.I.I.I. x=2.6D " J^*T 1 x=3.8D - v. <3b x=49D . X - : f r - 7x=12.8D f -I -\ * T\ - 1 - T " 0 2 4 6 0 8 16 0 8 16 0 8 16 0 6 12 0 6 12 0 2 4 68 CO - x=1.05D ! ]* • I.I.I.I.I.I.I.I. l x=1.35D A A A - x=1.9D A ^| A ( ^ A - x=2.6D i ^A^ - _ i A A A li.I.I,I.I.I.I.I.I,I.I, li.I.I.I.I.I.I.I.I.I.I.I ii,I.I.I.I.I.I.I.I.I.I.I rx=3.8D A) ( A )A I.I.I.I.I.I.I.I rx=4.9D *y> - f A . AS I . I . I . I . I . I . I. Jx=12.8D A -A\ A ) k. / it 1. I.I. I.I. IO 5E4 0E0 6E4 OEO 6E4 OEO 6E4 O.OEO 6.0E4 0.0E0 6.0E40 200 Concentration (Oxygen in %, C O in ppm, dry) Figure 8: Comparison between Measured (points) and Predicted (solid line) Radial Profiles of Oxygen and C O in the Ultra L o w N O x Burner Case. X is the Axial Distance from Burner Face and D is the Burner Diameter. o E, tu o si • wm Q ca "cOa OS 0.5 0.4 0.3 0.2 0.1 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 5( - x=2.6D - . - V -«A - >v i \ A' jS^ - • A\ " •) 1 .I.I.I.I.I.I.I.I X) 1500 i, 5( - x=3.8D - . - 1 t - >\ 41 \ yrV - 4% A - 4 1 .i.i.i.i.i.i.i.i.i X) 1500 5( " x=4.1D - . - lo - *ta - Gl\ J \ ^rt ) - *f 4m - 4 ' . I . I . I.I,I. | . I . I . I, - x=4.9D - i - •• - * ? - *V e»] 1 -- 1 D*a9y w A - 4> ' . I . I . I . I . I . I . I . I. X) 1500 500 1500 Temperature (K) 5( | x=7.4D : \ \ - ^ - • - • / • AV - 4« f - 1 /1 . I . I . I . I . I . I . I . I . I. X) 1500 51 - x=12.8D • V - 1 - V • - «! - • - • - •, •/ - •/ - // / .I.I.I.I.I.I.I.I.I X) 1500 Figure 9: Comparison between Measured (diamonds: suction pyrometer, squares: C A R S) and Predicted (line) Temperature Profiles in the Ultra L o w N O x Burner Flame. X is the Axial Distance from Burner and D is the Burner Diameter. |