Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel

Yukihide Nagano, Akihiro Tsuda, Akira Noomo, Takuya Fukushima, Masayoshi Morita, Toshiaki Kitagawa

Research output: Contribution to conferencePaper

Abstract

Combustion enhancement is necessary for the improvement of thermal efficiency of spark ignition engines operated under lean and high EGR rate conditions. It is important to understand the interaction of turbulence and flame in order to enhance the combustion by the turbulence. The flame front area is considered to be one of the most dominant factor for turbulent burning velocity. The shape of turbulent flame can be characterized by fractal characteristics and the flame front area can be estimated using fractal characteristics. In this study, turbulent iso-octane/O2/N2 flames were investigated under N2 diluted conditions and elevated pressure conditions using a constant volume vessel. The shape characteristics of spherically propagating premixed turbulent iso-octane/O2/N2 flames were evaluated by fractal analysis. Influences of turbulent properties and flame properties on fractal characteristics, such as fractal dimension and inner-cutoff scale were investigated.

Original languageEnglish
Publication statusPublished - Jan 1 2017
Event9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017 - Okayama, Japan
Duration: Jul 25 2017Jul 28 2017

Other

Other9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017
CountryJapan
CityOkayama
Period7/25/177/28/17

Fingerprint

Fractals
Turbulence
Fractal dimension
Internal combustion engines

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering

Cite this

Nagano, Y., Tsuda, A., Noomo, A., Fukushima, T., Morita, M., & Kitagawa, T. (2017). Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel. Paper presented at 9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017, Okayama, Japan.

Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel. / Nagano, Yukihide; Tsuda, Akihiro; Noomo, Akira; Fukushima, Takuya; Morita, Masayoshi; Kitagawa, Toshiaki.

2017. Paper presented at 9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017, Okayama, Japan.

Research output: Contribution to conferencePaper

Nagano, Y, Tsuda, A, Noomo, A, Fukushima, T, Morita, M & Kitagawa, T 2017, 'Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel' Paper presented at 9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017, Okayama, Japan, 7/25/17 - 7/28/17, .
Nagano Y, Tsuda A, Noomo A, Fukushima T, Morita M, Kitagawa T. Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel. 2017. Paper presented at 9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017, Okayama, Japan.
Nagano, Yukihide ; Tsuda, Akihiro ; Noomo, Akira ; Fukushima, Takuya ; Morita, Masayoshi ; Kitagawa, Toshiaki. / Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel. Paper presented at 9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017, Okayama, Japan.
@conference{9a707c65346c4dc6b4f455db241ff97c,
title = "Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel",
abstract = "Combustion enhancement is necessary for the improvement of thermal efficiency of spark ignition engines operated under lean and high EGR rate conditions. It is important to understand the interaction of turbulence and flame in order to enhance the combustion by the turbulence. The flame front area is considered to be one of the most dominant factor for turbulent burning velocity. The shape of turbulent flame can be characterized by fractal characteristics and the flame front area can be estimated using fractal characteristics. In this study, turbulent iso-octane/O2/N2 flames were investigated under N2 diluted conditions and elevated pressure conditions using a constant volume vessel. The shape characteristics of spherically propagating premixed turbulent iso-octane/O2/N2 flames were evaluated by fractal analysis. Influences of turbulent properties and flame properties on fractal characteristics, such as fractal dimension and inner-cutoff scale were investigated.",
author = "Yukihide Nagano and Akihiro Tsuda and Akira Noomo and Takuya Fukushima and Masayoshi Morita and Toshiaki Kitagawa",
year = "2017",
month = "1",
day = "1",
language = "English",
note = "9th International Conference on Modeling and Diagnostics for Advanved Engine Systems, COMODIA 2017 ; Conference date: 25-07-2017 Through 28-07-2017",

}

TY - CONF

T1 - Study on factors affecting shape characteristics of spherically propagating i-C8H18/O2/N2 turbulent flames using constant volume vessel

AU - Nagano, Yukihide

AU - Tsuda, Akihiro

AU - Noomo, Akira

AU - Fukushima, Takuya

AU - Morita, Masayoshi

AU - Kitagawa, Toshiaki

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Combustion enhancement is necessary for the improvement of thermal efficiency of spark ignition engines operated under lean and high EGR rate conditions. It is important to understand the interaction of turbulence and flame in order to enhance the combustion by the turbulence. The flame front area is considered to be one of the most dominant factor for turbulent burning velocity. The shape of turbulent flame can be characterized by fractal characteristics and the flame front area can be estimated using fractal characteristics. In this study, turbulent iso-octane/O2/N2 flames were investigated under N2 diluted conditions and elevated pressure conditions using a constant volume vessel. The shape characteristics of spherically propagating premixed turbulent iso-octane/O2/N2 flames were evaluated by fractal analysis. Influences of turbulent properties and flame properties on fractal characteristics, such as fractal dimension and inner-cutoff scale were investigated.

AB - Combustion enhancement is necessary for the improvement of thermal efficiency of spark ignition engines operated under lean and high EGR rate conditions. It is important to understand the interaction of turbulence and flame in order to enhance the combustion by the turbulence. The flame front area is considered to be one of the most dominant factor for turbulent burning velocity. The shape of turbulent flame can be characterized by fractal characteristics and the flame front area can be estimated using fractal characteristics. In this study, turbulent iso-octane/O2/N2 flames were investigated under N2 diluted conditions and elevated pressure conditions using a constant volume vessel. The shape characteristics of spherically propagating premixed turbulent iso-octane/O2/N2 flames were evaluated by fractal analysis. Influences of turbulent properties and flame properties on fractal characteristics, such as fractal dimension and inner-cutoff scale were investigated.

UR - http://www.scopus.com/inward/record.url?scp=85029392049&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85029392049&partnerID=8YFLogxK

M3 - Paper

ER -