Turbulent premixed flames in closed combustion chambers

Yoshisuke Hamamoto, Eiji Tomita, Sadami Yoshiyama

Research output: Contribution to journalArticle

Abstract

A thick Burning zone including unburned and burned gas is observed in the turbulent premixed flames. In this study, the burning rate and the ion-current in the burning zone were investigated in propane-air turbulent flames in a spark-ignition engine cylinder and a constant volume combustion chamber. The main results are as follows: (1) In propagating turbulent flame, the rate of mass burned is not equal to the rate of mass entrainment to the flame front. (2) The ratio of the combustion rate per unit area of turbulent flame front to that of laminar flame, Z = (MbT/AT)/(MbL/AL), is a reasonable expression of the effect of turbulence on the combustion of propagating flame. (3) The ion-current signal has multiple peaks in the turbulent flame. The average number of ion-current peaks increases with the enlargement of burning zone and the value of Z.

Original languageEnglish
Pages (from-to)941-945
Number of pages5
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume59
Issue number559
Publication statusPublished - Mar 1993
Externally publishedYes

Fingerprint

turbulent flames
premixed flames
combustion chambers
Combustion chambers
ion currents
flame propagation
Ions
spark ignition
burning rate
entrainment
propane
engines
Engine cylinders
flames
Internal combustion engines
Propane
turbulence
Turbulence
air
gases

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Turbulent premixed flames in closed combustion chambers. / Hamamoto, Yoshisuke; Tomita, Eiji; Yoshiyama, Sadami.

In: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 59, No. 559, 03.1993, p. 941-945.

Research output: Contribution to journalArticle

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