STUDY ON THE CHARACTERISTICS OF FLOW IN CHANNELS WITH IMPERMEABLE SPUR DIKES

• IKEDA Syunsuke

  東京工業大学 工学部土木工学科

• SUGIMOTO Takashi

  JAPAN SOCIETY OF CIVIL ENGINEERS

• YOSHIIKE Tomoaki

  JAPAN SOCIETY OF CIVIL ENGINEERS

Bibliographic Information

Other Title

• 不透過水制群を有する流れの水理特性に関する研究
• フトウカスイセイグン オ ユウスル ナガレ ノ スイリ トクセイ ニ カンスル ケンキュウ

Abstract

Hydraulic characteristics of flow in open channels with spur dikes were studied both theoretically and experimentally. Series of laboratory tests and 2-D numerical computations were performed by varying the interval of spur dikes. It was found that the mass and the momentum exchange rates between the main flow region and the spur dike region are influenced by the interval. Especially, momentum transport is much affected by the interval in equilibrium region. For the case in which the interval of spur dikes is nearly equal to the scale of separated eddies from the first spur dike, the eddies move downstream without changing their structure, and consequently the momentum transport in equilibrium region between the main flow and the spur dike region takes a maximum value.

Journal

• Doboku Gakkai Ronbunshu

  Doboku Gakkai Ronbunshu 2000 (656), 145-155, 2000-08-21

  Japan Society of Civil Engineers

Keywords

• spur dikes
• interval length ratio
• horizontal vortices
• mass and momentum transports
• laboratory experiment
• numerical computation

Details

• CRID: 1390282680286109312
• NII Article ID: 130003801620
• NII Article ID: 10004544796
• NII Book ID: AN10014020
• DOI: 10.2208/jscej.2000.656_145
• ISSN: 18827187
• ISSN: 02897806
• NDL BIB ID: 5466285
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I5466285
• Web Site: https://www.jstage.jst.go.jp/article/jscej1984/2000/656/2000_656_145/_pdf
• Data Source:
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  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed