書誌事項
- タイトル別名
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- HYDRAULIC ANALYSIS OF FLOOD FLOW IN A NON-PRISMATIC CHANNEL AND CALCULATION OF EQUIVALENT ROUGHNESS COEFFICIENT
- ヘンダンメン カドウ ニ オケル コウズイリュウ ノ スイリ カイセキ ト ト
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抄録
River water level and average velocity in flood flow are generally calculated on the basis of the one-dimensional equation for unsteady flow. When the geometric shape of the channel is three-dimensional, they are able to be calculated by using the proper roughness coefficient which includes the effects of the geometry. But the method of determining the coefficient reasonably has not yet been established. In this study, the two-dimensional numerical analysis is conducted for the flood flow through gradually varying channel. The analysis considers time variation of transverse movement of water fringe. These numerical results are discussed from the hydraulic point of view. Moreover, the characteristics of equivalent roughness coefficient are investigated based on these results.
収録刊行物
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- 土木学会論文集
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土木学会論文集 1985 (363), 125-134, 1985-11-20
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390282680578281856
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- NII論文ID
- 130003799217
- 40004505060
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- NII書誌ID
- AN10014020
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- ISSN
- 18827187
- 02897806
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- NDL書誌ID
- 3053762
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- データソース種別
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- JaLC
- NDL
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