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  1. 060 工学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Electro-Rheological Response of Liquid Crystals under Oscillatory Squeeze Flow

http://hdl.handle.net/10191/6322
http://hdl.handle.net/10191/6322
5e86a75d-43bb-4a08-9d9d-03054fa31030
名前 / ファイル ライセンス アクション
14_0021.pdf 14_0021.pdf (1.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2008-04-23
タイトル
言語 en
タイトル Electro-Rheological Response of Liquid Crystals under Oscillatory Squeeze Flow
言語
言語 eng
キーワード
主題Scheme Other
主題 Electro-Rheological Fluid
キーワード
主題Scheme Other
主題 Liquid Crystal
キーワード
主題Scheme Other
主題 Squeeze Flow
キーワード
主題Scheme Other
主題 Oscillatory Flow
キーワード
主題Scheme Other
主題 Non-Newtonian Fluid
キーワード
主題Scheme Other
主題 Flow Control
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Narumi, Takatsune

× Narumi, Takatsune

WEKO 7191

en Narumi, Takatsune

Search repository
See, Howard

× See, Howard

WEKO 7192

en See, Howard

Search repository
Yamaguchi, Yasuhiro

× Yamaguchi, Yasuhiro

WEKO 7193

en Yamaguchi, Yasuhiro

Search repository
Hasegawa, Tomiichi

× Hasegawa, Tomiichi

WEKO 7194

en Hasegawa, Tomiichi

Search repository
著者別名
識別子 7195
識別子Scheme WEKO
姓名 鳴海, 敬倫
言語 ja
著者別名
識別子 7196
識別子Scheme WEKO
姓名 長谷川, 富市
言語 ja
抄録
内容記述タイプ Abstract
内容記述 We have investigated the electro-rheological (ER) properties of liquid crystals in an oscillatory squeezing flow. A Micro Fourier Rheometer was utilized to estimate the complex viscosity and phase shift. A clear dip in the phase angle was observed, centred around a frequency which increased with electric field strength. It was found that this critical frequency was proportional to the inverse of the response time required for the liquid crystal molecules to align under the electric field. Similar ER effects to those observed under steady shearing were obtained in the oscillatory flow, but the ER effect at high frequency is smaller than that under no electric field. In other words, a negative ER effect was obtained under low electric fields. A rheological model for the dynamic response was obtained through the control theory and the transfer function thus derived will be useful for estimating the output response in a flow or motion control system.
言語 en
書誌情報 en : JSME international journal. Series B-Fluids and thermal engineering

巻 48, 号 3, p. 524-531, 発行日 2005-08
出版者
言語 en
出版者 Japan Society of Mechanical Engineers
ISSN
収録物識別子タイプ ISSN
収録物識別子 1340-8054
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10888815
DOI
識別子タイプ DOI
関連識別子 http://doi.org/10.1299/jsmeb.48.524
権利
権利情報 日本機械学会
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
著者版フラグ
値 publisher
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