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The effect of fuel composition, equivalence ratio, and mixture temperature on exhaust emissions.

Public Domain


Details

  • Personal Author:
  • Description:
    A single-cylinder research engine was operated on pure hydrocarbons (hc) and simple mixtures of pure hydrocarbons to study the effect of fuel composition, equivalance ratio, and mixture temperature on exhaust emissions. Used as fuel components were the following hydrocarbons: n-pentane, 2-methyl-2butane, isooctane, and m-xylene. Total hydrocarbon emission in terms of moles of exhaust hc/mole of fuel input was lowered by increasing the amount of xylene in the fuel when operating on the fuel-rich side of stoichiometric; total hydrocarbon emission was higher for higher aromatic fuels when air-fuel ratios approached the lean misfire limit; the effect of mixture temperature on hydrocarbon emission was insignificant. 1-Methyl-3-ethylbenzene was observed as a synthesis product of combustion in the exhaust from fuels containing m-xylene. With increasing m-xylene concentration in the fuel, the yield of 1-methyl-3-ethylbenzene increases, reaches a maximum, and then decreases. The effect of equivalence ratio is to shift this maximum point toward lower aromatic fuels as the fuel-air mixture is leaned out. [Description provided by NIOSH]
  • Subjects:
  • Series:
    Mining Publications
  • Document Type:
    Text
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Division:
    BERC - Bartlesville Energy Research Center
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    1-9
  • NIOSHTIC Number:
    nn:10010454
  • Citation:
    Pres At Automotive Engineering Congress SAE Detroit Mich 1971 Jan; :9 pages
  • Federal Fiscal Year:
    1971
  • Peer Reviewed:
    False
  • Source Full Name:
    Pres. At Automotive Engineering Congress, SAE, Detroit, Michigan, Jan. 11-15, 1971 Preprint 710012
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
  • Download URL:
  • File Type:
    Filetype[PDF - 168.02 KB ]
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