書誌事項
- タイトル別名
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- Study on Internal Flow of an Undershot-Type Cross-Flow Water Turbine
- シタ カケ シキ クロスフロー スイシャ ノ ナイブ ナガレ ニ カンスル ケンキュウ
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説明
The aim of this study is to develop an ultralow-head water turbine for an open channel, such as an irrigation channel, in order to effectively use hitherto unused hydropower energies. By focusing on a cross-flow runner, we eliminated the casing and used the application as a water turbine(undershot-type cross-flow water turbine)for an open channel. We investigated the performance and internal flow of the water turbine at a constant flow rate through an experiment and computational fluid dynamics(CFD)analysis. As a result, the following facts became clear. The performance and internal flow of the proposed water turbine with a free surface can be predicted to a certain extent by CFD analysis. At the best-efficiency-point rotational speed, θ=21-91° is the first-stage inlet area and θ=91-132° is the second-stage outlet area on the outer circumference of a runner. Moreover, on the inner circumference of the impeller, θ=48-109° is the first-stage outlet area and θ=109-141° is the second-stage inlet area.
収録刊行物
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- ターボ機械
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ターボ機械 41 (1), 51-57, 2013
一般社団法人 ターボ機械協会
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詳細情報 詳細情報について
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- CRID
- 1390282679521047552
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- NII論文ID
- 130005067928
- 10031140205
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- NII書誌ID
- AN00004836
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- ISSN
- 18802338
- 03858839
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- NDL書誌ID
- 024180118
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可