Modeling HCCI using CFD and Detailed Chemistry with Experimental Validation and a Focus on CO Emissions

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Multi-zone CFD simulations with detailed kinetics were used to model engine experiments performed on a diesel engine that was converted for single cylinder, HCCI operation, here using iso-octane as the fuel. The modeling goals were to validate the method (multi-zone combustion modeling) and the reaction mechanism (LLNL 857 species iso-octane), both of which performed very well. The purpose of this paper is to document the validation findings and to set the ground work for further analysis of the results by first looking at CO emissions characteristics with varying equivalence ratio.

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8 p. (0.4 MB)

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Hessel, R; Foster, D; Aceves, S; Flowers, D; Pitz, B; Dec, J et al. April 23, 2007.

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Multi-zone CFD simulations with detailed kinetics were used to model engine experiments performed on a diesel engine that was converted for single cylinder, HCCI operation, here using iso-octane as the fuel. The modeling goals were to validate the method (multi-zone combustion modeling) and the reaction mechanism (LLNL 857 species iso-octane), both of which performed very well. The purpose of this paper is to document the validation findings and to set the ground work for further analysis of the results by first looking at CO emissions characteristics with varying equivalence ratio.

Physical Description

8 p. (0.4 MB)

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PDF-file: 8 pages; size: 0.4 Mbytes

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  • Presented at: 2007 International Multidimensional Engine Modeling User's Group Meeting, Detroit, MI, United States, Apr 15 - Apr 15, 2007

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  • Report No.: UCRL-CONF-230240
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 908904
  • Archival Resource Key: ark:/67531/metadc889530

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Office of Scientific & Technical Information Technical Reports

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  • April 23, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • April 17, 2017, 1:10 p.m.

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Hessel, R; Foster, D; Aceves, S; Flowers, D; Pitz, B; Dec, J et al. Modeling HCCI using CFD and Detailed Chemistry with Experimental Validation and a Focus on CO Emissions, article, April 23, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc889530/: accessed April 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.