Autoignition chemistry of the hexane isomers: An experimental and kinetic modeling study

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Autoignition of the five distinct isomers of hexane is studied experimentally under motored engine conditions and computationally using a detailed chemical kinetic reaction mechanism. Computed and experimental results are compared and used to help understand the chemical factors leading to engine knock in spark-ignited engines and the molecular structure factors contributing to octane rating for hydrocarbon fuels. The kinetic model reproduces observed variations in critical compression ratio with fuel structure, and it also provides intermediate and final product species concentrations in very dose agreement with observed results. In addition, the computed results provide insights into the kinetic origins of fuel ... continued below

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35 p.

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Curran, H.J.; Gaffuri, P.; Pitz, W.J.; Westbrook, C.K. & Leppard, W.R. June 1, 1995.

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Description

Autoignition of the five distinct isomers of hexane is studied experimentally under motored engine conditions and computationally using a detailed chemical kinetic reaction mechanism. Computed and experimental results are compared and used to help understand the chemical factors leading to engine knock in spark-ignited engines and the molecular structure factors contributing to octane rating for hydrocarbon fuels. The kinetic model reproduces observed variations in critical compression ratio with fuel structure, and it also provides intermediate and final product species concentrations in very dose agreement with observed results. In addition, the computed results provide insights into the kinetic origins of fuel octane sensitive.

Physical Description

35 p.

Notes

OSTI as DE95017046

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  • International fuels and lubricants meeting and exposition, Toronto (Canada), 16-19 Oct 1995

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  • Other: DE95017046
  • Report No.: UCRL-JC--121248
  • Report No.: CONF-9510144--1
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/102147 | External Link
  • Office of Scientific & Technical Information Report Number: 102147
  • Archival Resource Key: ark:/67531/metadc619997

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 18, 2016, 11:43 a.m.

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Curran, H.J.; Gaffuri, P.; Pitz, W.J.; Westbrook, C.K. & Leppard, W.R. Autoignition chemistry of the hexane isomers: An experimental and kinetic modeling study, report, June 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc619997/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.