@inproceedings{oai:jaxa.repo.nii.ac.jp:00006206,
 author = {三浦, 知仁 and 水島, 二郎 and Miura, Tomohito and Mizushima, Jiro},
 book = {宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集　第35回・第36回, JAXA Special Publication: Proceedings of the 35th and 36th JAXA Workshops on Investigation and Control of Boundary-Layer Transition},
 month = {Feb},
 note = {Pattern formation in flow between two corotating disks in an enclosure is investigated numerically and experimentally. The outer cylindrical boundary of the flow field is assumed to be fixed, whereas the inner cylinder rotates together with the two disks. The flow is not only symmetric with respect to the inter-disk midplane but also axisymmetric around the axis of rotation at small Reynolds numbers. The axisymmetry of the flow field is broken due to instability at high Reynolds numbers. Such an instability occurs for small gap ratios, the ratio of the gap between two disks to the radius of the annulus, and yields a polygonal flow pattern in a plane normal to the rotation axis. We identified two kinds of three dimensional unsteady flow by numerical simulations, one of which is asymmetric with respect to the inter-disk midplane and the other has a shift-and-reflect symmetry with the midplane, and compared them with those obtained by experiment. We found that the critical Reynolds number at which the axisymmetric makes a transition to unsteady 3D flow is smaller than those evaluated in previous papers, although the flow patterns are consistent with those reported in them., 資料番号: AA0049208024, レポート番号: JAXA-SP-05-012},
 pages = {77--80},
 publisher = {宇宙航空研究開発機構, Japan Aerospace Exploration Agency (JAXA)},
 title = {回転2円板間流れのパターン形成},
 volume = {JAXA-SP-05-012},
 year = {2006}
}