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Chemkin 4.1.1 Chapter 2: Combustion in Gas-phase Processes Figure 2-65 Comparisons of Soot Mass Concentration Profiles Inside the PFR for the 1630K and Φ =2.2 Case of the C 2 H 4 /O 2 /N 2 JSR/PFR Experiment by Marr 23 . Symbols: data; Solid line: prediction with both HACA and PAH condensation growth mechanisms; Dash-dot line: prediction with HACA growth mechanism only Figure 2-66 Comparison of Contributions of Different Soot Mass Growth Mechanisms by Using the Rate-Of-Production Analysis © 2007 Reaction Design 84 RD0411-C20-000-001
Chapter 2: Combustion in Gas-phase Processes <strong>Tutorials</strong> <strong>Manual</strong> Figure 2-67 The Particle Diameter Evolution Inside the PFR Predicted by the Present Soot Module for the 1630K and Φ = 2.2 case of the C 2 H 4 /O 2 /N 2 JSR/PFR Experiment by Marr 23 (see p. 78) 2.8 Chemistry Sets In this section we provide a brief description of and references for the chemistry mechanisms employed in Chapter 2. 2.8.1 Hydrogen/Air The chemistry sets used to describe the combustion of hydrogen in air are provided for the purposes of illustration only. These are slight variations of early work done at Sandia National Laboratories, and are out-of-date. The gas-phase kinetics input files are relatively simple. They generally contain 3 elements H, O and N or Ar, and 9 gasphase species: H 2 , H, O 2 , O, OH, H 2 O, HO 2 , H 2 O 2 and N 2 or Ar, with about 18-20 reactions. Nitrogen is generally present as N 2 only, where it does not participate in any chemical reactions (i.e., NO formation is not included). Pressure dependencies for reaction rates are not explicitly treated, although there are enhanced collision efficiencies for some reactions. RD0411-C20-000-001 85 © 2007 Reaction Design
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Chemkin 4.1.1 Contents Table of Con
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Chemkin 4.1.1 Tables List of Tables
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Tutorials Manual 4.1.1 Figures List
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List of Figures Tutorials Manual 2-
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Chemkin 4.1.1 1 1 Introduction The
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Chapter 1: Introduction Tutorials M
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Chemkin 4.1.1 2 2 Combustion in Gas
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Chapter 2: Combustion in Gas-phase
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Tutorials Manual 4.1.1 Index Index
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