Effects of CO2 and N2 dilutions on laminar and turbulent flame propagation

Akihiro Hayakawa; Yukito Miki; Shoichi Kobayashi; Yukihide Nagano; Toshiaki Kitagawa

doi:10.4271/2011-01-1878

Effects of CO₂ and N₂ dilutions on laminar and turbulent flame propagation

Akihiro Hayakawa, Yukito Miki, Shoichi Kobayashi, Yukihide Nagano, Toshiaki Kitagawa

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

EGR (Exhaust Gas Recirculation) is adopted to reduce NO_x emission in spark ignition engines. The effects of dilution with CO₂ and N₂, the main components of EGR, on laminar flame were investigated. It had been found that CO₂ and N₂ dilutions affected not only laminar burning velocity but also the response of flame to the flame stretch due to the change in the thermo-diffusive properties of the mixtures by the dilutions. Thus, turbulent flames were also investigated at fixed flame stretch factors to examine solely the thermo-diffusive effects on turbulent flame.

Original language	English
Journal	SAE Technical Papers
DOIs	https://doi.org/10.4271/2011-01-1878
Publication status	Published - 2011 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Automotive Engineering
Safety, Risk, Reliability and Quality
Pollution
Industrial and Manufacturing Engineering

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10.4271/2011-01-1878

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abstract = "EGR (Exhaust Gas Recirculation) is adopted to reduce NOx emission in spark ignition engines. The effects of dilution with CO2 and N2, the main components of EGR, on laminar flame were investigated. It had been found that CO2 and N2 dilutions affected not only laminar burning velocity but also the response of flame to the flame stretch due to the change in the thermo-diffusive properties of the mixtures by the dilutions. Thus, turbulent flames were also investigated at fixed flame stretch factors to examine solely the thermo-diffusive effects on turbulent flame.",

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AU - Hayakawa, Akihiro

AU - Miki, Yukito

AU - Kobayashi, Shoichi

AU - Nagano, Yukihide

AU - Kitagawa, Toshiaki

PY - 2011/1/1

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AB - EGR (Exhaust Gas Recirculation) is adopted to reduce NOx emission in spark ignition engines. The effects of dilution with CO2 and N2, the main components of EGR, on laminar flame were investigated. It had been found that CO2 and N2 dilutions affected not only laminar burning velocity but also the response of flame to the flame stretch due to the change in the thermo-diffusive properties of the mixtures by the dilutions. Thus, turbulent flames were also investigated at fixed flame stretch factors to examine solely the thermo-diffusive effects on turbulent flame.

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SN - 0148-7191

JO - SAE Technical Papers

JF - SAE Technical Papers

ER -

Effects of CO₂ and N₂ dilutions on laminar and turbulent flame propagation

Abstract

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