chapter 5 turbulent diffusion flames - FedOA
fluorescence signal, cm -1 sr -1 fluorescence signal, cm -1 sr -1 4.0E-08 3.5E-08 3.0E-08 2.5E-08 2.0E-08 1.5E-08 1.0E-08 5.0E-09 0.0E+00 0.0E+00 0 1 2 3 4 5 6 r, mm 82 LIF z30 fv nano z30 3.5E-06 3.0E-06 2.5E-06 2.0E-06 1.5E-06 1.0E-06 5.0E-07 0.0E+00 Fig. 3.22 LIF signals and NOC volume fraction at 30 mm as function of the radial position. 3.5E-08 3.0E-08 2.5E-08 2.0E-08 1.5E-08 1.0E-08 5.0E-09 LIF z40 fv nano z40 0 1 2 3 4 5 6 7 r, mm 1.6E-06 1.4E-06 1.2E-06 1.0E-06 8.0E-07 6.0E-07 4.0E-07 2.0E-07 0.0E+00 Fig. 3.23 LIF signals and NOC volume fraction at 40 mm as function of the radial position. NOC volume fraction, cm 3 /cm 3 NOC volume fraction, cm 3 /cm 3
incandescence signal, cm -1 sr -1 incandescence signal, cm -1 sr -1 1.4E-07 1.2E-07 1.0E-07 8.0E-08 6.0E-08 4.0E-08 2.0E-08 0.0E+00 0.0E+00 0 1 2 3 4 5 6 r, mm 83 LII z20 fv soot z20 2.0E-06 1.5E-06 1.0E-06 5.0E-07 0.0E+00 Fig. 3.24 LII signals and NOC volume fraction at 20 mm as function of the radial position. 6.0E-07 5.0E-07 4.0E-07 3.0E-07 2.0E-07 1.0E-07 LII z30 fv soot z30 0 1 2 3 4 5 6 7 r, mm 5.0E-06 4.5E-06 4.0E-06 3.5E-06 3.0E-06 2.5E-06 2.0E-06 1.5E-06 1.0E-06 5.0E-07 0.0E+00 Fig. 3.25 LII signals and NOC volume fraction at 30 mm as function of the radial position. Soot volume fraction, cm 3 /cm 3 Soot volume fraction, cm 3 /cm 3
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CONTENTS ABBREVIATIONS _5 INTRODUCT
ABBREVIATIONS LIF Laser Induced Flu
INTRODUCTION In the last thirty yea
Two fuels are prevalently tested an
the relative contribution of the di
1.1 POLYCYCLIC AROMATIC HYDROCARBON
[8] and point out that these author
In particular the results obtained
ultraviolet could be considered soo
the first formed particles have a d
1.3 SOOT FORMATION, GROWTH AND OXID
Gas Phase The gas-phase formation a
In summary the complete scheme is m
CHAPTER 2 COMBUSTION SYSTEMS AND EX
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