水素・空気混合気の渦輪内を伝ぱする火炎 [熱工学, 内燃機関, 動力など]
日本機械学會論文集. B編 Volume 64 Issue 620
Page 1209-1215
published_at 1998-04-25
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| File | |
| Title ( jpn ) |
水素・空気混合気の渦輪内を伝ぱする火炎 [熱工学, 内燃機関, 動力など]
|
| Title ( eng ) |
Propagating Flames in Vortex Rings of Hydrogen/Air Mixtures
|
| Creator |
Murakami Takahiro
Hamasaki Takashi
Taki Shiro
|
| Source Title |
日本機械学會論文集. B編
|
| Volume | 64 |
| Issue | 620 |
| Start Page | 1209 |
| End Page | 1215 |
| Abstract |
Propagating flames in vortex rings of hydrogen/air mixtures have been experimentally investigated. The flame speed has been measured by a high speed video camera, and the maximum tangential velocity in the vortex ring has been estimated from the hot-wire measurements on the cold-air vortex rings. Observations show very complex ignition processes, and the obtained relations between the flame speed and the maximum tangential velocity elucidate the validity of the recently developed theory, though only for very lean mixtures. With an increase in equivalence ratio, their relation approaches the one predicted by the classical vortex bursting theory. A requirement for precise measurement on the maximum tangential velocity is especially noted for further specifying the mechanism (s) of the flame propagation.
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| Keywords |
Flames
Flame Propagation
Flame Speed
Hydrogen
Vortex Ring
|
| NDC |
Technology. Engineering [ 500 ]
|
| Language |
jpn
|
| Resource Type | journal article |
| Publisher |
一般社団法人日本機械学会
|
| Date of Issued | 1998-04-25 |
| Rights |
社団法人日本機械学会
本文データは学協会の許諾に基づきCiNiiから複製したものである
|
| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0387-5016
[NCID] AN00187441
[NAID] 110002396917
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