書誌事項
- タイトル別名
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- Study on Internal Flow Near the Impeller Outlet of a Winnowing Fan. 2nd Report. Discussion of a Impeller with Forward-Inclined Blades by Computational Fluid Dynamics.
- トウミ ファン ノ ハネグルマ デグチブ キンボウ ノ ナガレ ニ カンスル ケンキュウ ダイ2ホウ CFD オ モチイタ マエムキ ハネ ニ カンスル イチ コウサツ
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Because of strong 3-dimensional flow, it is difficult to produce a uniform flow or improve efficiency with winnowing fans. Through experiments with various types of impellers, it was found in an earlier study that a forward-inclined impeller could produce a uniform flow and improve efficiency. It was then reported in a subsequent study aimed at identifying the mechanism behind this, in which the relationship between velocity and static pressure in an impeller of small inclination angle was examined from the perspective of flow, that flow analysis was effective towards estimating inconsistent flow characteristics. Based on these findings, this project was designed to measure and analyze flow characteristics in a forward-inclined impeller. It was found that forward-inclined impellers have many regions of circulating flow and that the mainstream which moves to the outlet is narrow in effective area. As a result, velocity increases and discharge blow rapidly expands within a short distance. Therefore, good static pressure recovery is obtained.
収録刊行物
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- 日本機械学会論文集Ｂ編
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日本機械学会論文集Ｂ編 66 (643), 671-678, 2000
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282681159628416
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- NII論文ID
- 110002392870
- 130004223758
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 5322591
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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
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- CiNii Articles
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- 使用不可