EFFECT OF SWIRL ON THE COMBUSTION OF A HOMOGENEOUS MIXTURE IN A CLOSED VESSEL. (2ND REPORT, BURNING VELOCITY AND BURNING ZONE THICKNESS OF TURBULENT FLAMES).

Yoshisuke Hamamoto, Eiji Tomita, Masaaki Izumi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In order to reveal the effect of turbulence on the combustion process of a propane-air mixture, a turbulent flame propagating nearly axisymmetrically was produced in a disc type combustion chamber. The velocity and turbulence of the gas flow in the combustion chamber were measured with a two-dimensional LDA system. The configuration and propagation speed of the flame were measured with high-speed laser schlieren photography and an ion-probe. From these measurement results, the burning velocity S//T and the burning zone thickness delta //T of turbulent flames were determined successfully under various conditions of turubulence intensity. As a result, it was recognized that the value of S//T increased with increasing turbulence intensity and delta //T increased with S//T.

Original languageEnglish
Pages (from-to)1627-1634
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume53
Issue number489
Publication statusPublished - May 1987
Externally publishedYes

Fingerprint

turbulent flames
vessels
Turbulence
turbulence
combustion chambers
Combustion chambers
Schlieren photography
ion probes
Photography
Propane
propane
gas flow
Flow of gases
flames
high speed
propagation
Lasers
air
Ions
Air

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. (2ND REPORT, BURNING VELOCITY AND BURNING ZONE THICKNESS OF TURBULENT FLAMES).",
abstract = "In order to reveal the effect of turbulence on the combustion process of a propane-air mixture, a turbulent flame propagating nearly axisymmetrically was produced in a disc type combustion chamber. The velocity and turbulence of the gas flow in the combustion chamber were measured with a two-dimensional LDA system. The configuration and propagation speed of the flame were measured with high-speed laser schlieren photography and an ion-probe. From these measurement results, the burning velocity S//T and the burning zone thickness delta //T of turbulent flames were determined successfully under various conditions of turubulence intensity. As a result, it was recognized that the value of S//T increased with increasing turbulence intensity and delta //T increased with S//T.",
author = "Yoshisuke Hamamoto and Eiji Tomita and Masaaki Izumi",
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AU - Izumi, Masaaki

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AB - In order to reveal the effect of turbulence on the combustion process of a propane-air mixture, a turbulent flame propagating nearly axisymmetrically was produced in a disc type combustion chamber. The velocity and turbulence of the gas flow in the combustion chamber were measured with a two-dimensional LDA system. The configuration and propagation speed of the flame were measured with high-speed laser schlieren photography and an ion-probe. From these measurement results, the burning velocity S//T and the burning zone thickness delta //T of turbulent flames were determined successfully under various conditions of turubulence intensity. As a result, it was recognized that the value of S//T increased with increasing turbulence intensity and delta //T increased with S//T.

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