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Use of baffles in open channel expansions

Smith, C.D. / Yu, J.N.G.

Laboratory tests were conducted to determine efficacy of using baffle piers in open-channel outlet transition with flow at sub-critical velocity throughout; it was found that use of such baffles will substantially reduce structure length required to achieve given velocity reduction; triangular three-baffle arrangement will permit flow expansion, without separation, in straight walled transition with side-wall flare as rapid as 1 in 4; head loss in such outlet is approximately 0.8 times theoretical Borda head loss for abrupt expansion; possible useful applications of principle include diverging transitions for flumes, siphons, and culverts. (J Hydraulics Div)

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Use of baffles in open channel expansions

Smith, C.D. / Yu, J.N.G.

Laboratory tests were conducted to determine efficacy of using baffle piers in open-channel outlet transition with flow at sub-critical velocity throughout; it was found that use of such baffles will substantially reduce structure length required to achieve given velocity reduction; triangular three-baffle arrangement will permit flow expansion, without separation, in straight walled transition with side-wall flare as rapid as 1 in 4; head loss in such outlet is approximately 0.8 times theoretical Borda head loss for abrupt expansion; possible useful applications of principle include diverging transitions for flumes, siphons, and culverts. (J Hydraulics Div)

Use of baffles in open channel expansions

Smith, C.D. / Yu, J.N.G.

Laboratory tests were conducted to determine efficacy of using baffle piers in open-channel outlet transition with flow at sub-critical velocity throughout; it was found that use of such baffles will substantially reduce structure length required to achieve given velocity reduction; triangular three-baffle arrangement will permit flow expansion, without separation, in straight walled transition with side-wall flare as rapid as 1 in 4; head loss in such outlet is approximately 0.8 times theoretical Borda head loss for abrupt expansion; possible useful applications of principle include diverging transitions for flumes, siphons, and culverts. (J Hydraulics Div)

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Title:

Use of baffles in open channel expansions

Additional title:

ASCE -- Proc

Contributors:

Smith, C.D. (author) / Yu, J.N.G. (author)

Published in:

American Society of Civil Engineers Proceedings, Journal of the Hydraulics Division ; 92

Publication date:

1966

Size:

17 pages

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

© Metadata Copyright Elsevier B. V. All rights reserved.

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