Yoshisuke Hamamoto, Eiji Tomita, Yutaka Tanaka, Tetsuya Katayama, Yasuki Tamura

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


In order to investigate the effect of swirl on combustion in a spark-ignition engine, a new experimental apparatus, namely, the single-event engine was prepared. The swirl flow in the cylinder was visualized by a smoke-wire method, and a laser Doppler anemometer and a hot-wire anemometer were adopted for the velocity measurement. The turbulence intensity was determined on the basis of the hot-wire data. A stoichiometric propane-air mixture was ignited at the center of the combustion chamber; thus, the flame was propagated almost axisymmetrically in the flow field at various swirl intensities with no squish flow. The burning velocity, S//T, and the thickness of burning zone, delta //T, were determined in the spark-ignition engine cylinder. The result show that S//T and delta //T increase with increasing the turbulence intensity, and that delta //T is correlated linearly with S//T except under the condition of weak turbulence.

Original languageEnglish
Pages (from-to)1995-2002
Number of pages8
JournalJSME International Journal
Issue number270
Publication statusPublished - 1987

ASJC Scopus subject areas

  • Engineering(all)

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