Effect of air/fuel mixture heterogeneity on NOx emissions (combustion characteristics in a constant volume vessel under high pressure and temperature conditions)

Nobuhiko Fukatani, Akira Miyafuji, Toshinari Momose, Eiji Tomita

Research output: Contribution to journalArticle

Abstract

In a constant volume combustion chamber, a study of investigating for relationship between NOx emissions and non-homogeneity distribution of methane-air mixture was conducted. Non-homogeneity distribution was generated by varying the period after fuel injection and movement of perforated plate. Non-homogeneity distribution was measured by the acetone planar LIF technique and the heterogeneity index was determined. The exeriments were performed under high pressure and temperature conditions in the chamber. The effects of heterogeneity index and initial condition in the chamber on NOx and conbustion efficiency were studied in detail. The trend of NOx and combustion efficiency was varied in different heterogeneity mixture at the same excess air ratio.

Original languageEnglish
Pages (from-to)1843-1849
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume72
Issue number7
Publication statusPublished - Jul 2006
Externally publishedYes

Fingerprint

vessels
inhomogeneity
Perforated plates
air
Fuel injection
Combustion chambers
Air
chambers
Acetone
perforated plates
combustion efficiency
fuel injection
Methane
combustion chambers
laser induced fluorescence
Temperature
acetone
methane
trends

Keywords

  • Mixture Heterogeneity
  • NO Emissions
  • PLIF
  • Premixed Combustion

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "In a constant volume combustion chamber, a study of investigating for relationship between NOx emissions and non-homogeneity distribution of methane-air mixture was conducted. Non-homogeneity distribution was generated by varying the period after fuel injection and movement of perforated plate. Non-homogeneity distribution was measured by the acetone planar LIF technique and the heterogeneity index was determined. The exeriments were performed under high pressure and temperature conditions in the chamber. The effects of heterogeneity index and initial condition in the chamber on NOx and conbustion efficiency were studied in detail. The trend of NOx and combustion efficiency was varied in different heterogeneity mixture at the same excess air ratio.",
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T1 - Effect of air/fuel mixture heterogeneity on NOx emissions (combustion characteristics in a constant volume vessel under high pressure and temperature conditions)

AU - Fukatani, Nobuhiko

AU - Miyafuji, Akira

AU - Momose, Toshinari

AU - Tomita, Eiji

PY - 2006/7

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N2 - In a constant volume combustion chamber, a study of investigating for relationship between NOx emissions and non-homogeneity distribution of methane-air mixture was conducted. Non-homogeneity distribution was generated by varying the period after fuel injection and movement of perforated plate. Non-homogeneity distribution was measured by the acetone planar LIF technique and the heterogeneity index was determined. The exeriments were performed under high pressure and temperature conditions in the chamber. The effects of heterogeneity index and initial condition in the chamber on NOx and conbustion efficiency were studied in detail. The trend of NOx and combustion efficiency was varied in different heterogeneity mixture at the same excess air ratio.

AB - In a constant volume combustion chamber, a study of investigating for relationship between NOx emissions and non-homogeneity distribution of methane-air mixture was conducted. Non-homogeneity distribution was generated by varying the period after fuel injection and movement of perforated plate. Non-homogeneity distribution was measured by the acetone planar LIF technique and the heterogeneity index was determined. The exeriments were performed under high pressure and temperature conditions in the chamber. The effects of heterogeneity index and initial condition in the chamber on NOx and conbustion efficiency were studied in detail. The trend of NOx and combustion efficiency was varied in different heterogeneity mixture at the same excess air ratio.

KW - Mixture Heterogeneity

KW - NO Emissions

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KW - Premixed Combustion

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