FUNDAMENTAL STUDY ON GAS TRANSFER VELOCITY MODELING IN OPEN-CHANNEL FLOWS WITH STRIP ROUGHNESS
-
- SANJOU Michio
- 京都大学 工学研究科社会基盤工学専攻
-
- GOTOU Shinya
- 京都大学 工学研究科社会基盤工学専攻
-
- OKAMOTO Takaaki
- 京都大学 工学研究科社会基盤工学専攻
-
- TAKAHASHI Kazuya
- 京都大学 工学研究科社会基盤工学専攻
Bibliographic Information
- Other Title
-
- 開水路桟粗度流れにおけるガス輸送速度のモデリングに関する基礎研究
- カイスイロ サンソド ナガレ ニ オケル ガス ユソウ ソクド ノ モデリング ニ カンスル キソ ケンキュウ
Search this article
Abstract
It is very important to evaluate gas transfer velocity and the surface velocity divergence in the open-channel flows such as artificial flume and natural river. It is however hard to obtain universal form of gas transfer velocity in rough-bottom open-channel flows by using original surface divergence model. The present study focused on the interfacial gas transfer in the open-channel with strip roughness and found that the large surface velocity divergence is induced by shedding vortices around roughness element. Particularly, the gas transfer depends significantly on relative spacing of strip roughness. Furthermore, we examined whether a modified surface divergence model predicts reasonably the gas transfer velocity, irrespective of bottom roughness conditions in open-channel flows.
Journal
-
- Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
-
Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 72 (4), I_967-I_972, 2016
Japan Society of Civil Engineers
- Tweet
Details 詳細情報について
-
- CRID
- 1390282680328472832
-
- NII Article ID
- 130005312138
-
- NII Book ID
- AN10426673
-
- ISSN
- 18808751
- 2185467X
- 09167374
-
- NDL BIB ID
- 027185937
-
- Text Lang
- ja
-
- Data Source
-
- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
-
- Abstract License Flag
- Disallowed