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contributor authorH. Chanson
date accessioned2017-05-08T20:49:48Z
date available2017-05-08T20:49:48Z
date copyrightOctober 2006
date issued2006
identifier other%28asce%290733-9437%282006%29132%3A5%28498%29.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/28479
description abstractIn open channels, the relationship between the specific energy and the flow depth exhibits a minimum, and the corresponding flow conditions are called critical flow conditions. Herein they are reanalyzed on the basis of the depth-averaged Bernoulli equation. At critical flow, there is only one possible flow depth, and a new analytical expression of that characteristic depth is developed for ideal-fluid flow situations with nonhydrostatic pressure distribution and nonuniform velocity distribution. The results are applied to relevant critical flow conditions: e.g., at the crest of a spillway. The finding may be applied to predict more accurately the discharge on weir and spillway crests.
publisherAmerican Society of Civil Engineers
titleMinimum Specific Energy and Critical Flow Conditions in Open Channels
typeJournal Paper
journal volume132
journal issue5
journal titleJournal of Irrigation and Drainage Engineering
identifier doi10.1061/(ASCE)0733-9437(2006)132:5(498)
treeJournal of Irrigation and Drainage Engineering:;2006:;Volume ( 132 ):;issue: 005
contenttypeFulltext


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