Effects of laminar boundary layer on a model broad-crested weir

Isaacs, L. T. (Lewis Thomas) Effects of laminar boundary layer on a model broad-crested weir. St. Lucia, Queensland: University of Queensland, Dept. of Civil Engineering, 1981.

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Author Isaacs, L. T. (Lewis Thomas)
Title Effects of laminar boundary layer on a model broad-crested weir
Place of Publication St. Lucia, Queensland
Publisher University of Queensland, Dept. of Civil Engineering
Publication year 1981
Sub-type Other
Series Research report (University of Queensland. Dept. of Civil Engineering) ; no.CE 28.
Language eng
Total number of pages 20
Year available 1981
Subjects 290800 Civil Engineering
Formatted Abstract/Summary

Synopsis


This report describes an approximate method for the analysis of flow with a laminar boundary layer over a model broad-crested weir. The method has been used to demonstrate the effects of the laminar boundary layer and the results have shown that these effects are significant. If the energy is calculated from depth and discharge measurements, large energy losses appear to occur at low flow rates in laboratory experiments. Losses real and apparent, are explained and the methods presented may be used to estimate the correct energy values. 

Keyword Laminar flow
Weirs
Boundary layer
Q-Index Code AX
Q-Index Status Provisional Code
Institutional Status UQ

 
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