Study of measuring burning velocity of fuel-air mixture under compression by using double kernel method

Yudai Yamasaki, Norimasa Iida

Research output: Contribution to journalArticle


This study aimed at revealing the characteristics of burning velocity of fuel-air mixtures under the ambient temperature and pressure changing condition which was made by using rapid compression machine. The burning velocity was measured by a double kernel method applied to the schlieren photographs. At first, the applicability of the double kernel method was examined and verified by utilizing a proper technique to analyze the schlieren photographs. At the next stage, under a standard condition (298 K, 0.10 MPa), the dependence of burning.velocity on the fuel type was obtained and compared with those of the other studies. Finally, the dependence of burning velocity on the ambient temperature and pressure was obtained and discussed under the condition that the ambient state was varying with time according to the flame propagation.

Original languageEnglish
Pages (from-to)2485-2492
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Issue number649
Publication statusPublished - 2000 Sep



  • Burning velocity
  • Combustion
  • Double kernel method
  • Fuel-air mixture
  • Laminar flow
  • Rapid compression machine
  • Schlieren photograph
  • Spark ignition

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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