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Comparative studies on supersonic free jets from nozzles of complex geometry
http://hdl.handle.net/10258/00008912
http://hdl.handle.net/10258/000089122f166101-329c-4198-b397-41db4f7db162
名前 / ファイル | ライセンス | アクション |
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ATE_99_599-612.pdf (2.3 MB)
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Item type | 学術雑誌論文 / Journal Article.(1) | |||||
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公開日 | 2016-05-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Comparative studies on supersonic free jets from nozzles of complex geometry | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mixing enhancement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Supersonic shear layers | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Supersonic jets | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Complex nozzles | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
RAO, Srisha M.V.
× RAO, Srisha M.V.× 浅野, 真吾× 齋藤, 務 |
|||||
室蘭工業大学研究者データベースへのリンク | ||||||
齋藤 務(SAITO Tsutomu) | ||||||
http://rdsoran.muroran-it.ac.jp/html/100000049_ja.html | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Experimental and numerical studies are conducted to compare free jets from different supersonic nozzles for mixing enhancement. A conical nozzle of Mach 1.80 is the reference. Three complex nozzles are a beveled nozzle, a nozzle with six chevrons and a six lobed ESTS nozzle.All nozzles have the same throat diameter and designed average exit Mach number. The studies are conducted at NPR = 6, using acetone PLIF, centerline pitot pressure measurements, and 3D RANS simulations. A novel method of decomposing PLIF images based on intensity histogram and then recomposing after applying selective gains to emphasize the growth of shear layers is discussed. PLIF images are processed to extract the growth rate of jet width which indicates the rate of mixing. The ESTS lobed nozzle shows the highest enhancement of mixing (430%) followed by chevron (222%) and the beveled nozzle with a moderate (138%). The numerical simulations are validated and agree well with experimental results. ESTS lobed nozzle is found to produce widespread streamwise vortices compared to clustered vortices of the chevron nozzle. The mechanism of streamwise vorticity production from ESTS nozzle is clarified for the first time in this study. | |||||
言語 | en | |||||
書誌情報 |
en : Applied Thermal Engineering 巻 99, p. 599-612, 発行日 2016-04-25 |
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出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
出版者版へのリンク | ||||||
10.1016/j.applthermaleng.2016.01.104 | ||||||
https://doi.org/10.1016/j.applthermaleng.2016.01.104 | ||||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.applthermaleng.2016.01.104 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 530 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1359-4311 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11062184 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |