Energy dissipation of skimming flows on stepped-channel chutes

被引：0

作者：

Yasuda, Y ^{[1
]}

Takahashi, M ^{[1
]}

Ohtsu, I ^{[1
]}

机构：

[1] Nihon Univ, Coll Sci & Technol, Dept Civil Engn, Chiyoda Ku, Tokyo 1018308, Japan

来源：

HYDRAULICS OF RIVERS, WATER WORKS AND MACHINERY, VOL 1, THEME D, PROCEEDINGS: 21ST CENTURY: THE NEW ERA FOR HYDRAULIC RESEARCH AND ITS APPLICATIONS | 2001年

关键词：

stepped channel; stepped channel flow; skimming flow; energy dissipation;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The energy loss of skimming flows, in which the main flow skims on the stepped-channel chute, has been investigated by many researchers. But general agreement concerning experimental results has not been obtained. In this paper, the energy loss of skimming flows is investigated systematically under a wide range of discharges, channel slopes, step heights, and dam heights. The energy loss of skimming flows is clarified, and the change of the energy loss with dam height and step height is discussed. Also, the total energy loss of a skimming flow and jump if a hydraulic jump is formed immediately below the stepped channel end is shown. The results reveal that the utilization of a stepped channel is effective in dissipating the energy of a supercritical flow on spillways or channel chutes.

引用

页码：531 / 536

页数：6

共 50 条

[21] Neuro-Fuzzy Approach for Estimating Energy Dissipation in Skimming Flow over Stepped Spillways [J].

Salmasi, Farzin ;

Ozger, Mehmet .

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, 2014, 39 (08) :6099-6108

[22] Improved Performance of 4H-SiC MESFET With Stepped-Channel [J].

Jia, Hujun ;

Yang, Yintang ;

Zhang, Lianjin ;

Duan, Baoxing .

FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE III, PTS 1 AND 2, 2013, 271-272 :21-25

[23] Four-Layer Velocity Model for Flows Down Stepped Chutes [J].

Kramer, Matthias .

PROCEEDINGS OF THE 39TH IAHR WORLD CONGRESS, 2022, :2319-2323

[24] Flow resistance in skimming flows in stepped spillways and its modelling [J].

Chanson, H ;

Yasuda, Y ;

Ohtsu, I .

CANADIAN JOURNAL OF CIVIL ENGINEERING, 2002, 29 (06) :809-819

[25] Lithium Battery Thermal Management Based on Lightweight Stepped-Channel Liquid Cooling [J].

Zhou, Long ;

Li, Shengnan ;

Jain, Ankur ;

Chen, Guoqiang ;

Guo, Desui ;

Kang, Jincan ;

Zhao, Yong .

JOURNAL OF ELECTROCHEMICAL ENERGY CONVERSION AND STORAGE, 2024, 21 (03)

[26] Flow Characteristics of Skimming Flow in Stepped Steep Open - Channel [J].

Ohmoto, Terunoti ;

Cui, Zhiying ;

Nariai, Notimitsu ;

Yakita, Kouichi .

PROCEEDINGS OF THE 1ST INTERNATIONAL YELLOW RIVER FORUM ON RIVER BASIN MANAGEMENT, VOL II, 2003, :398-405

[27] Post-processing of air entrainment on NASIR flow solver results for skimming flow over stepped chutes [J].

Sabbagh-Yazdi, Saeed Reza ;

Safahieh, Rosita ;

Mastorakis, Nikos E. .

PROCEEDINGS OF THE 9TH WSEAS INTERNATIONAL CONFERENCE ON AUTOMATIC CONTROL, MODELING & SIMULATION, 2007, :111-+

[28] Study of the Effect of the Rate Flow and the Slope of the Channel on the Energy Dissipation in the Stepped Channels: Proposing an Empirical Models [J].

Mostefa, Gafsi ;

Kheira, Boutassouna ;

Abdelkader, Djehiche ;

Naima, Djaid .

DEFINING THE FUTURE OF SUSTAINABILITY AND RESILIENCE IN DESIGN, ENGINEERING AND CONSTRUCTION, 2015, 118 :1044-1051

[29] Experimental investigations of air entrainment in transition and skimming flows down a stepped chute [J].

Chanson, H ;

Toombes, L .

CANADIAN JOURNAL OF CIVIL ENGINEERING, 2002, 29 (01) :145-156

[30] Stepped spillway design for energy dissipation [J].

Ikinciogullari, Erdinc .

WATER SUPPLY, 2023, 23 (02) :749-763

← 1 2 3 4 5 →