Ignition enhancement of lean ethanol vaper-air mixture by hydrogen addition

Shinji Furuichi, Motoshi Matsudaira, Hiroyasu Saito, Norihiko Yoshikawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The ignition enhancement effects of hydrogen addition to lean ethanol vapor-air mixtures are experimentally investigated. Hydrogen addition decreases the lean limit of equivalence ratio from 0.80 down to 0.36. The peak overpressure increases and ignition delay time decreases under the conditions of equivalence ratio below 0.80. Hydrogen addition effect is also confirmed using detailed computations of reaction mechanism. Chain reactions including H 2 are primary ignition enhancing mechanism.

Original languageEnglish
Pages (from-to)347-353
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume75
Issue number750
Publication statusPublished - 2009 Feb
Externally publishedYes

Fingerprint

ignition
Ignition
Ethanol
ethyl alcohol
Hydrogen
equivalence
augmentation
air
hydrogen
Air
overpressure
Time delay
time lag
Vapors
vapors

Keywords

  • Alternative Energy
  • Chemical Reaction
  • Hydrogen Addition
  • Ignition
  • Premixed Combustion

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

Ignition enhancement of lean ethanol vaper-air mixture by hydrogen addition. / Furuichi, Shinji; Matsudaira, Motoshi; Saito, Hiroyasu; Yoshikawa, Norihiko.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 75, No. 750, 02.2009, p. 347-353.

Research output: Contribution to journalArticle

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