Japanese | English

トップページへ戻る

詳細

   
フルテキストURLKJ00004350969.pdf ( 685.9KB ) 公開日 2010-04-19
タイトルOn the criterion for scour from flows at downstream of an apron
作成者Saitou, Takashi
Kameda, Yoshimitsu
作成者ヨミサイトウ, タカシ
カメダ, ヨシミツ
作成者別表記斎藤, 隆
亀田, 芳満
作成者所属山口大学工学部
内容記述(抄録等)In order to prevent the local scour from flows at downstream of an outlet and such constructions, frequently one build up an apron to protect the erosive bottom of river. Although for that reason of the complicated flow condition neighbouring there, it is usually to design and planning of the length of an apron in conformity with the experimental results used the model and the practical measurement about the similar construction. In previous report where the development of the boundary layer in the wall-jet flows has become a theme of research, the author suggested the velocity distribution law, in which the influence of the turbulence in jet-like main flows to the boundary layer has been taken into consideration, and explained excellently the boundary layer growth in wall jet due to several jets by the proposed resistant law. In this paper, concentrating on the standpoint of engineers, the author shall try to explaine the criterion that the sedimentary bed at downstream of an apron is not absolutely scoured by the action of flows, by means of the easy correction about the criterion for movement of sand grain in open channel flows with the velocity distribution of the boundary layer in wall jet, furthermore, in order to alleviate the labour on the trial and error calculation regard to the critical tractive force and the boundary layer growth, presented the graphycal solution about these calculation.
本文言語eng
主題工学
資料タイプtext
ファイル形式application/pdf
出版者山口大学工学部
出版者ヨミヤマグチ ダイガク コウガクブ
NII資料タイプ紀要論文
ISSN0386-3433
NCIDAA0086073X
学内刊行物(紀要等)Technology reports of the Yamaguchi University
掲載誌名Technology reports of the Yamaguchi University
2
1
開始ページ33
終了ページ45
発行日1977-12
著者版/出版社版出版社版
備考本文データは国立情報学研究所において電子化したものである
リポジトリIDKJ00004350969
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/KJ00004350969