Numerical modeling of hydrogen-fueled internal combustion engines

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The planned use of hydrogen as the energy carrier of the future introduces new challenges and opportunities, especially to the engine design community. Hydrogen is a bio-friendly fuel that can be produced from renewable resources and has no carbon dioxide combustion products; and in a properly designed ICE, almost zero NO{sub x} and hydrocarbon emissions can be achieved. Because of the unique properties of hydrogen combustion - in particular the highly wrinkled nature of the laminar flame front due to the preferential diffusion instability - modeling approaches for hydrocarbon gaseous fuels are not generally applicable to hydrogen combustion. This paper ... continued below

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22 p.

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Johnson, N.L. & Amsden, A.A. December 31, 1996.

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Description

The planned use of hydrogen as the energy carrier of the future introduces new challenges and opportunities, especially to the engine design community. Hydrogen is a bio-friendly fuel that can be produced from renewable resources and has no carbon dioxide combustion products; and in a properly designed ICE, almost zero NO{sub x} and hydrocarbon emissions can be achieved. Because of the unique properties of hydrogen combustion - in particular the highly wrinkled nature of the laminar flame front due to the preferential diffusion instability - modeling approaches for hydrocarbon gaseous fuels are not generally applicable to hydrogen combustion. This paper reports on the current progress to develop a engine design capability based on KIVA family of codes for hydrogen-fueled, spark-ignited engines in support of the National Hydrogen Program. A turbulent combustion model, based on a modified eddy-turnover model in conjunction with an intake flow valve model, is found to describe well the efficiency and NO{sub x} emissions of this engine satisfy the Equivalent Zero Emission Vehicle (EZEV) standard established by the California Resource Board. 26 refs., 10 figs., 1 tab.

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22 p.

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OSTI as DE97008883

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  • 1996 annual hydrogen peer review for DOE, Miami, FL (United States), 1-3 May 1996

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  • Other: DE97008883
  • Report No.: LA-UR--97-2538
  • Report No.: CONF-9605195--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 538045
  • Archival Resource Key: ark:/67531/metadc690560

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  • December 31, 1996

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 25, 2016, 10:06 p.m.

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Johnson, N.L. & Amsden, A.A. Numerical modeling of hydrogen-fueled internal combustion engines, article, December 31, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc690560/: accessed May 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.