タイトル | Flame-Spread Characteristics of n-Decane Droplet Arrays at Different Ambient Pressures in Microgravity |
DOI | info:doi/10.15011/ijmsa.33.330108 |
著者(日) | 佐野, 成太; 本松, 直也; Saputro, Herman; 瀬尾, 健彦; 三上, 真人 |
著者(英) | Sano, Narita; Motomatsu, Naoya; Saputro, Herman; Seo, Takehiko; Mikami, Masato |
著者所属(日) | 山口大学; 山口大学; 山口大学; 山口大学; 山口大学 |
著者所属(英) | Yamaguchi University; Yamaguchi University; Yamaguchi University; Yamaguchi University; Yamaguchi University |
発行日 | 2016-01-31 |
発行機関など | Japan Society of Microgravity Application (JASMA) 日本マイクログラビティ応用学会(JASMA) |
刊行物名 | International Journal of Microgravity Science and Application (IJMSA) |
巻 | 33 |
号 | 1 |
開始ページ | 330108-1 |
終了ページ | 330108-5 |
刊行年月日 | 2016-01-31 |
言語 | eng |
抄録 | This research involves microgravity experiments being conducted on flame spread over fuel droplet arrays at different pressures including low-pressure condition in order to improve understanding of flame-spread characteristics under high-altitude relight condition of jet engines. n-Decane was used as a fuel. The ambient pressure ranged from 25 to 200 kPa. The results show that the flame-spread rate and flame-spread-limit distance decreased with an increase in ambient pressure. As the ambient pressure is increased, the thermal conduction time from the flame of a droplet to the next unburned droplet increases due to the decreased thermal diffusivity, and the droplet heating time also increases due to the increased fuel boiling point, resulting in a decrease in the flame-spread rate and -limit distance. The pressure effect on the flame-spread limit around two interactive burning droplets is also discussed. |
内容記述 | Physical characteristics: Original contains color illustrations 形態: カラー図版あり |
キーワード | Flame Spread; Droplet Array; Pressure Effect; Microgravity |
資料種別 | Journal Article |
NASA分類 | Inorganic, Organic and Physical Chemistry |
ISSN | 0915-3616 |
NCID | AN10537663 |
SHI-NO | AA1540525000 |
URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/559318 |