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異なる断面形状を持つスクラムジェットエンジン搭載用DCW-MHD発電実験機の性能比較

異なる断面形状を持つスクラムジェットエンジン搭載用DCW-MHD発電実験機の性能比較

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カテゴリ: 論文誌(論文単位)

グループ名: 【B】電力・エネルギー部門

発行日: 2012/03/01

タイトル(英語): Comparison of Performances of Scramjet-Driven Experimental DCW-MHD Generators with Different Cross-Section

著者名: 丹羽 直之(筑波大学大学院システム情報工学研究科),高橋 徹(筑波大学大学院システム情報工学研究科),藤野 貴康(筑波大学大学院システム情報工学研究科),石川 本雄(筑波大学大学院システム情報工学研究科)

著者名(英語): Naoyuki Niwa (Graduate School of Systems and Information Engineering, University of Tsukuba), Toru Takahashi (Graduate School of Systems and Information Engineering, University of Tsukuba), Takayasu Fujino (Graduate School of Systems and Information Engineering, University of Tsukuba), Motoo Ishikawa (Graduate School of Systems and Information Engineering, University of Tsukuba)

キーワード: DCW-MHD発電機,電磁流体解析,円形断面,矩形断面  DCW-MHD generator,magnetohydrodynamic analysis,circular cross-section,square cross-section

要約(英語): The purpose of this study is to examine the influence of shape of cross-section of scramjet engine driven experimental DCW-MHD generator on generator performance by three-dimensional numerical analyses. We have designed the MHD generators with symmetric square and circular cross-section, based on the experimental MHD generator with asymmetric square cross-section. Under the optimum load condition, the electric power output becomes 26.6kW for the asymmetric square cross-section, 24.6kW for the symmetric square cross-section, and 22.4kW for the circular cross-section. The highest output is obtained for the experimental generator with asymmetric square cross-section. The difference of electric power output is induced by the difference of flow velocity and boundary layer thickness. For the generator with asymmetric square cross-section, the average flow velocity becomes the highest and the boundary layer becomes the thinnest. The compression wave is generated depending on the channel shape. The difference of flow velocity and boundary layer thickness is induced by the superposition of compression wave.

本誌: 電気学会論文誌B(電力・エネルギー部門誌) Vol.132 No.3 (2012)

本誌掲載ページ: 220-225 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/132/3/132_3_220/_article/-char/ja/

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