EFFECT OF SWIRL ON THE COMBUSTION OF A HOMOGENEOUS MIXTURE IN A CLOSED VESSEL (1ST REPORT, SWIRL AND ITS TURBULENCE CHARACTERISTICS IN A COMBUSTION CHAMBER).

Yoshisuke Hamamoto, Eiji Tomita, Masaaki Izumi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In order to reveal the effect of fluid motion on turbulent flame propagation the swirling flow of a propane-air homogeneous mixture was produced in a disc type cylindrical combustion chamber. The mixture was ignited by an electric spark at the center of the chamber, and the flow and combustion process were observed. In the first report, the gas motion in the chamber was measured by a two-dimensional LDA system, and turbulence characteristics and its decay process were investigated. As a result, it was made clear that (1) turbulence intensity was increased in the burning zone of the turbulent flame, (2) turbulence energy in the burned gas decayed rapidly as compared with that in unburned gas, (3) after completion of combustion, the fraction of higher frequency components of turbulence decreased rapidly.

Original languageEnglish
Pages (from-to)1395-1402
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume53
Issue number488
Publication statusPublished - Apr 1987
Externally publishedYes

Fingerprint

combustion chambers
Combustion chambers
vessels
Turbulence
turbulence
turbulent flames
chambers
Gases
gases
electric sparks
Swirling flow
swirling
flame propagation
Electric sparks
Propane
propane
Fluids
fluids
air
decay

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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title = "EFFECT OF SWIRL ON THE COMBUSTION OF A HOMOGENEOUS MIXTURE IN A CLOSED VESSEL (1ST REPORT, SWIRL AND ITS TURBULENCE CHARACTERISTICS IN A COMBUSTION CHAMBER).",
abstract = "In order to reveal the effect of fluid motion on turbulent flame propagation the swirling flow of a propane-air homogeneous mixture was produced in a disc type cylindrical combustion chamber. The mixture was ignited by an electric spark at the center of the chamber, and the flow and combustion process were observed. In the first report, the gas motion in the chamber was measured by a two-dimensional LDA system, and turbulence characteristics and its decay process were investigated. As a result, it was made clear that (1) turbulence intensity was increased in the burning zone of the turbulent flame, (2) turbulence energy in the burned gas decayed rapidly as compared with that in unburned gas, (3) after completion of combustion, the fraction of higher frequency components of turbulence decreased rapidly.",
author = "Yoshisuke Hamamoto and Eiji Tomita and Masaaki Izumi",
year = "1987",
month = "4",
language = "English",
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pages = "1395--1402",
journal = "Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B",
issn = "0387-5016",
publisher = "Japan Society of Mechanical Engineers",
number = "488",

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T1 - EFFECT OF SWIRL ON THE COMBUSTION OF A HOMOGENEOUS MIXTURE IN A CLOSED VESSEL (1ST REPORT, SWIRL AND ITS TURBULENCE CHARACTERISTICS IN A COMBUSTION CHAMBER).

AU - Hamamoto, Yoshisuke

AU - Tomita, Eiji

AU - Izumi, Masaaki

PY - 1987/4

Y1 - 1987/4

N2 - In order to reveal the effect of fluid motion on turbulent flame propagation the swirling flow of a propane-air homogeneous mixture was produced in a disc type cylindrical combustion chamber. The mixture was ignited by an electric spark at the center of the chamber, and the flow and combustion process were observed. In the first report, the gas motion in the chamber was measured by a two-dimensional LDA system, and turbulence characteristics and its decay process were investigated. As a result, it was made clear that (1) turbulence intensity was increased in the burning zone of the turbulent flame, (2) turbulence energy in the burned gas decayed rapidly as compared with that in unburned gas, (3) after completion of combustion, the fraction of higher frequency components of turbulence decreased rapidly.

AB - In order to reveal the effect of fluid motion on turbulent flame propagation the swirling flow of a propane-air homogeneous mixture was produced in a disc type cylindrical combustion chamber. The mixture was ignited by an electric spark at the center of the chamber, and the flow and combustion process were observed. In the first report, the gas motion in the chamber was measured by a two-dimensional LDA system, and turbulence characteristics and its decay process were investigated. As a result, it was made clear that (1) turbulence intensity was increased in the burning zone of the turbulent flame, (2) turbulence energy in the burned gas decayed rapidly as compared with that in unburned gas, (3) after completion of combustion, the fraction of higher frequency components of turbulence decreased rapidly.

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