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Bibliographic Record
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- Material Type
- 文書・図像類
- Author/Editor
- 片野田, 洋
- Author Heading
- Publication, Distribution, etc.
- Alternative Title
- Study on Large Scale Oscillation caused by Supersonic Jet Impinging on Moving Plate
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 2011-2013年度科学研究費助成事業（基盤研究（C））研究成果報告書 課題番号：23560200 研究代表者：片野田洋（鹿児島大学・理工学研究科・准教授）本研究は、音速よりも速い超音速の噴流が、移動する平板へ衝突する際に発生する大規模振動（Large-Scale oscillation with beat ; LOB）に関する研究である。LOB現象のモデル化については線形理論を用いた解析により、比較的良い結果を得ることができた。しかし、LOB現象の数値シミュレーションでは、実験結果を正確に再現することはできなかった。基礎式の移流項を、より高次精度に離散化する必要があると考えられる。The goal of this research was to clarify the physics of the large-scale oscillation with beat, LOB, which occurs when a supersonic jet impinges on a moving plate. The modeling of the LOB was almost successful using a linear theory. However, unsatisfactory results were obtained by numerical simulation. The convection terms in the basic equations need to be discretized using a higher spacial resolution scheme to obtain better results.