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A Combustion Model for Multi-Component Fuels Based on Reactivity Concept and Single-Surrogate Chemistry Representation
Technical Paper
2018-01-0260
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
High fidelity engine simulation requires realistic fuel models. Although typical automotive fuels consist of more than few hundreds of hydrocarbon species, researches show that the physical and chemical properties of the real fuels could be represented by appropriate surrogate fuel models. It is desirable to represent the fuel using the same set of physical and chemical surrogate components. However, when the reaction mechanisms for a certain physical surrogate component is not available, the chemistry of the unmatched physical component is described using that of a similar chemical surrogate component at the expense of accuracy.
In order to reduce the prediction error while maintaining the computational efficiency, a method of on-the-fly reactivity adjustment (ReAd) of chemical reaction mechanism along with fuel re-distribution based on reactivity is presented and tested in this study.
The method is applied to simulate engine combustion with multi-component fuel sprays and its performance is compared to that of simulations with a reaction mechanism that considers the full set of physical/chemical surrogate components. The results show that the ReAd method improves the accuracy of combustion prediction using a single chemistry surrogate, while maintaining superb computational efficiency.
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Citation
Jamali, A., Ra, Y., Park, W., and Cho, G., "A Combustion Model for Multi-Component Fuels Based on Reactivity Concept and Single-Surrogate Chemistry Representation," SAE Technical Paper 2018-01-0260, 2018, https://doi.org/10.4271/2018-01-0260.Data Sets - Support Documents
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References
- Curran , H.J. , Gaffuri , P. , Pitz , W.J. , and Westbrook , C.K. A Comprehensive Modeling Study of N-Heptane Oxidation Combust Flame 114 1 149 177 1998
- Sarathy , S.M. , Farooq , A. , and Kalghatgi , G.T. Prog. Energy Combust Sci. 1 42 2017 10.1016/j.pecs. 2017.09.004
- Westbrook , C.K. , Pitz , W.J. , Mehl , M. , and Curran , H.J. Detailed Chemical Kinetic Reaction Mechanisms for Primary Reference Fuels for Diesel Cetane Number and Spark-Ignition Octane Number Proceedings of the Combustion Institute 33 1 185 192 2011
- Ra , Y. and Reitz , R.D. A Vaporization Model for Discrete Multi-Component Fuel Sprays Int. J. Multiph. Flow 35 2 101 117 2009
- Anand , K. , Ra , Y. , Reitz , R.D. , and Bunting , B. Surrogate Model Development for Fuels for Advanced Combustion Engines Energy & Fuels 25 4 1474 1484 2011
- Ra , Y. and Reitz , R.D. A Combustion Model for IC Engine Combustion Simulations with Multi-Component Fuels Combust. Flame 158 1 69 90 2011
- Su , X. , Ra , Y. , and Reitz , R.D. A Surrogate Fuel Formulation Approach for Real Transportation Fuels with Application to Multi-Dimensional Engine Simulations SAE Int. J. Fuels Lubr. 7 1 236 249 2014 10.4271/2014-01-1464
- Ra , Y. and Reitz , R.D. A Combustion Model for Multi-Component Fuels Using a Physical Surrogate Group Chemistry Representation (PSGCR) Combust. Flame 162 10 3456 3481 2015
- Ra , Y. and Reitz , R.D. A Reduced Chemical Kinetic Model for IC Engine Combustion Simulations with Primary Reference Fuels Combust. Flame 155 4 713 738 2008
- Kee , R.J. , Rupley , F.M. , and Miller , J.A. 1989
- Perini , F. , Anand , K. , Ra , Y. , and Reitz , R.D. Computationally Efficient Simulation of Multi-Component Fuel Combustion Using a Sparse Analytical Jacobian Chemistry Solver and High-Dimensional Clustering Proceedings of the ASME Internal Combustion Engine Division's 2013 Fall Technical Conference ICEF2013 Dearborn, MI
- Beale , J.C. and Reitz , R.D. Modeling Spray Atomization with the Kelvin-Helmholtz/Rayleigh-Taylor Hybrid Model At. Spray 9 623 650 1999
- Amsden , A.A. 1999
- Liu , A.B. , Mather , D. , and Reitz , R.D. Modeling the Effects of Drop Drag and Breakup on Fuel Sprays SAE Technical Paper 930072 1993 10.4271/930072
- Han , Z. and Reitz , R.D. Turbulence Modeling of Internal Combustion Engines Using RNG κ-ε Models Comb. Sci. Tech. 106 267 295 1995
- Ra , Y. , Chuahy , F. , and Kokjohn , S. Development and Validation of a Reduced Reaction Mechanism with a Focus on Diesel Fuel/Syngas Co-Oxidation Fuel 185 663 683 2016
- Pickett , L. , G. B. , and Payri , R. 2014