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Soot Formation Modelling of Spray-A Using a Transported PDF Approach
Technical Paper
2015-01-1849
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Numerical simulations of soot formation were performed for n-dodecane spray using the transported probability density function (TPDF) method. Liquid n-dodecane was injected with 1500 bar fuel pressure into a constant-volume vessel with an ambient temperature, oxygen volume fraction and density of 900 K, 15% and 22.8 kg/m3, respectively. The interaction by exchange with the mean (IEM) model was employed to close the micro-mixing term. The unsteady Reynolds-averaged Navier-Stokes (RANS) equations coupled with the realizable k-ε turbulence model were used to provide turbulence information to the TPDF solver. A 53-species reduced n-dodecane chemical mechanism was employed to evaluate the reaction rates. Soot formation was modelled with an acetylene-based two-equation model which accounts for simultaneous soot particle inception, surface growth, coagulation and oxidation by O2 and OH. The modelling results for ignition delay, lift-off length, flame length evolution and distribution of soot volume fraction (fv) are compared with the corresponding experimental data. Good predictions of the temporal evolution and spatial extent of the soot volume fraction have been observed. The findings suggest that the transported probability density function approach for soot modelling is a promising framework.
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Citation
Chishty, M., Bolla, M., Pei, Y., Hawkes, E. et al., "Soot Formation Modelling of Spray-A Using a Transported PDF Approach," SAE Technical Paper 2015-01-1849, 2015, https://doi.org/10.4271/2015-01-1849.Also In
References
- http://www.sandia.gov/ecn/cvdata/dsearch/frameset.php
- Pei , Y. , Hawkes , E. R. , & Kook , S. 2013 A comprehensive study of effects of mixing and chemical kinetic models on predictions of n-heptane jet ignitions with the PDF method Flow, turbulence and combustion 91 2 249 280
- Bhattacharjee , S. , & Haworth , D. C. Simulations of transient n-heptane and n-dodecane spray flames under engine-relevant conditions using a transported PDF method Combustion and Flame 160 10 2083 2102
- Som , S. , Ramirez , A. I. , Longman , D. E. , & Aggarwal , S. K. 2011 Effect of nozzle orifice geometry on spray, combustion and emission characteristics under diesel engine conditions Fuel 90 3 1267 1276
- Kong , S. C. , Sun , Y. , & Rietz , R. D. 2007 Modeling diesel spray flame liftoff, sooting tendency and NOx emissions using detailed chemistry with phenomenological soot model Journal of Engineering for Gas Turbines and Power 129 1 245 251
- Vishwanathan , G. , & Reitz , R. D. 2010 Development of a practical soot modeling approach and its application to low-temperature diesel combustion Combustion Science and Technology 182 8 1050 1082
- D'Errico , G. , Ettorre , D. , and Lucchini , T. Simplified and Detailed Chemistry Modeling of Constant-Volume Diesel Combustion Experiments SAE Int. J. Fuels Lubr. 1 1 452 465 2009 10.4271/2008-01-0954
- Naik , C. V. , Puduppakkam , K. V. , & Meeks , E. 2014 June Simulation of Soot Volume Fraction and Size in High-Pressure Lifted Flames Using Detailed Reaction Mechanisms In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition American Society of Mechanical Engineers
- Bolla , M. , Wright , Y. M. , Boulouchos , K. , Borghesi , G. , & Mastorakos , E. 2013 Soot formation modeling of n-Heptane sprays under diesel engine conditions using the Conditional Moment Closure approach Combustion Science and Technology 185 5 766 793
- Sukumaran , S. , Van Huynh , C. , & Kong , S. C. 2013 Numerical modeling of soot emissions in diesel sprays based on detailed fuel and PAH chemistry Combustion Science and Technology 185 11 1696 1714
- Pang , K. M. , Jangi , M. , Bai , X. S. , & Schramm , J. 2015 Evaluation and optimisation of phenomenological multi-step soot model for spray combustion under diesel engine-like operating conditions Combustion Theory and Modelling 1 30
- Wang , H. , Ra , Y. , Jia , M. , & Reitz , R. D. 2014 Development of a reduced n-dodecane-PAH mechanism and its application for n-dodecane soot predictions Fuel 136 25 36
- Pickett , L. M. , & Siebers , D. L. 2004 Soot in diesel fuel jets: effects of ambient temperature, ambient density, and injection pressure Combustion and Flame 138 1 114 135
- Idicheria , C. A. , & Pickett , L. M. 2005 Soot formation in diesel combustion under high-EGR conditions (No. 2005-01-3834 ). SAE Technical Paper
- Manin , J. , Pickett , L. , and Skeen , S. Two-Color Diffused Back-Illumination Imaging as a Diagnostic for Time-Resolved Soot Measurements in Reacting Sprays SAE Int. J. Engines 6 4 1908 1921 2013 10.4271/2013-01-2548
- Cenker , E. , Bruneaux , G. , Dreier , T. , & Schulz , C. 2015 Sensitivity analysis for soot particle size imaging with laser-induced incandescence at high pressure Applied Physics B 1 19
- Mohan , V. R. , & Haworth , D. C. 2015 Turbulence-chemistry interactions in a heavy-duty compression-ignition engine Proceedings of the Combustion Institute 35 3 3053 3060
- Bolla , M. , Farrace , D. , Wright , Y. M. , Boulouchos , K. , & Mastorakos , E. 2014 Influence of turbulence-chemistry interaction for n-heptane spray combustion under diesel engine conditions with emphasis on soot formation and oxidation Combustion Theory and Modelling 18 2
- Yao T. , Pei Y. , Zhong B. , Som S. , Lu T. 2015 A hybrid mechanism for n-dodecane combustion with optimized low-temperature chemistry 9th U.S. National Combustion Meeting, 114IC-0055 May 17-20 2015 Cincinnati, OH, US
- Leung , K. M. , Lindstedt , R. P. , & Jones , W. P. 1991 A simplified reaction mechanism for soot formation in nonpremixed flames Combustion and flame 87 3 289 305
- Pei , Y. , Hawkes , E. R. , Kook , S. , Goldin , G. M. , & Lu , T. 2015 Modelling n-dodecane spray and combustion with the transported probability density function method Combustion and Flame
- Pei , Y. , Hawkes , E. R. , & Kook , S. 2013 Transported probability density function modelling of the vapour phase of an n-heptane jet at diesel engine conditions Proceedings of the Combustion Institute 34 2 3039 3047
- Mehta , R. S. , Haworth , D. C. , & Modest , M. F. 2010 Composition PDF/photon Monte Carlo modeling of moderately sooting turbulent jet flames Combustion and Flame 157 5 982 994
- Mehta , R. S. , Wang , A. , Modest , M. F. , & Haworth , D. C. 2009 Modeling of a Turbulent Ethylene/Air Jet Flame Using Hybrid Finite Volume/Monte Carlo Methods Computational Thermal Sciences: An International Journal 1 1
- Kennedy , I. M. 1997 Models of soot formation and oxidation Progress in Energy and Combustion Science 23 2 95 132
- Skeen , S. A. , Manin , J. , Dalen , K. , & Pickett , L. M. 2013 May Extinction-based imaging of soot processes over a range of diesel operating conditions In 8th US National Combustion Meeting Salt Laker City, Utah
- Pastor , J. V. , Payri , R. , Garcia-Oliver , J. M. , & Nerva , J. G. 2012 Schlieren measurements of the ECN-spray a penetration under inert and reacting conditions (No. 2012-01-0456 ). SAE Technical Paper
- Skeen , S. A. , Manin , J. , & Pickett , L. M. 2015 Simultaneous formaldehyde PLIF and high-speed schlieren imaging for ignition visualization in high-pressure spray flames Proceedings of the Combustion Institute 35 3 3167 3174