『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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登録内容 (EID=219644)

EID=219644EID:219644, Map:0, LastModified:2018年6月26日(火) 14:30:47, Operator:[三木 ちひろ], Avail:TRUE, Censor:0, Owner:[[学科長]/[徳島大学.工学部.機械工学科]], Read:継承, Write:継承, Delete:継承.
種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
招待 (推奨):
審査 (推奨): Peer Review [継承]
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組織 (推奨): 1.エネルギー変換工学 (2006年4月1日〜2016年3月31日) [継承]
著者 (必須): 1.石原 国彦
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題名 (必須): (英) On the Generation Mechanism of High Level Sound Generated in a Boiler and Heat Exchanger  (日)    [継承]
副題 (任意): (英) Effect of the Number of Tubes and Acoustic Damping on SPL  (日)    [継承]
要約 (任意): (英) Boilers and heat exchangers are widely used in various plants such as power and chemical plants. However, unexpected high level sounds are generated when these plants are operated and it becomes a serious problem. This kind of problem is called acoustic resonance. In addition, it has been considered that resonance generates when the frequency of the vortex shedding behind the tube bank coincides with the natural frequency of the duct system. However, it has also been thought of as a self-sustained tone. In general, the self-excited phenomenon arises when the exciting energy becomes greater than the dissipating energy. In this paper, in order to clarify the mechanism of the self-sustained tone experimentally, we tried to find the origin of the instability by changing the number of tube rows and acoustic damping. As a result, it was found that the self-sustained tone generates when the number of tube rows increases and the acoustic damping decreases.  (日)    [継承]
キーワード (推奨): 1. (英) Heat Exchanger (日) (読) [継承]
2. (英) Boiler (日) (読) [継承]
3. (英) Sound Field Control (日) (読) [継承]
4.安定性 (stability) [継承]
5. (英) Vortex (日) (読) [継承]
6.空力自励音 (self-sustained tone) [継承]
発行所 (推奨): 日本機械学会 [継承]
誌名 (必須): Journal of Environment and Engineering ([日本機械学会])
(eISSN: 1880-988X)

ISSN (任意): 1880-988X
ISSN: 1880-988X (eISSN: 1880-988X)
Title: Journal of Environment and Engineering
Supplier: 一般社団法人 日本機械学会
Publisher: The Japan Society of Mechanical Engineers
 (J-STAGE  (CrossRef (No Scopus information.)
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(必須): 5 [継承]
(必須): 3 [継承]
(必須): 485 497 [継承]
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年月日 (必須): 西暦 2010年 12月 22日 (平成 22年 12月 22日) [継承]
URL (任意): http://ci.nii.ac.jp/naid/130000423888/ [継承]
DOI (任意): 10.1299/jee.5.485    (→Scopusで検索) [継承]
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NAID (任意): 130000423888 [継承]
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標準的な表示

和文冊子 ● Kunihiko Ishihara : On the Generation Mechanism of High Level Sound Generated in a Boiler and Heat Exchanger, --- Effect of the Number of Tubes and Acoustic Damping on SPL ---, Journal of Environment and Engineering, Vol.5, No.3, 485-497, 2010.
欧文冊子 ● Kunihiko Ishihara : On the Generation Mechanism of High Level Sound Generated in a Boiler and Heat Exchanger, --- Effect of the Number of Tubes and Acoustic Damping on SPL ---, Journal of Environment and Engineering, Vol.5, No.3, 485-497, 2010.

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