Effects of the initial heat-up period on a two-droplet array burning at high pressure in microgravity

Keiichi Okai, Yutaka Ono, Osamu Moriue, Hideki Kato, Mitsuhiro Tsue, Michikata Kono, Jun'Ichi Sato, Daniel L. Dietrich, Forman A. Williams

研究成果: Contribution to journalArticle査読

抄録

The interactive combustion of two closely-spaced droplets at elevated pressures was investigated experimentally in a 2.2 second drop tower. Heptane, hexadecane and mixtures of the two were the fuel, and a nitrogen-oxygen ambient with a relatively low oxygen concentration was employed to facilitate observaton of droplets during combustion at elevated pressures. Results show that staged combustion of binary fuel droplets still exists for interacting droplets at elevated pressures. For pure fuels, it is shown that the interaction effects are principally observed during the initial heating period. For fuel mixtures, interaction effects are estimated by comparing transition time of single droplet and that of two droplets.

本文言語英語
ページ(範囲)2888-2894
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
65
636
DOI
出版ステータス出版済み - 1999
外部発表はい

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

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