oa Civil Engineer in South Africa - Effect of air entrainment on the capacity of water pipelines
|Article Title||Effect of air entrainment on the capacity of water pipelines|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineer in South Africa|
|Author||J.E.S. Boswell and D. Stephenson|
|Publication Date||Aug 1983|
|Pages||415 - 420|
The presence of air in a water pipeline may seriously affect the operation of such a pipeline, the most significant effect being the increase in friction head loss. The authors enumerate the various problems that have been encountered with air entrainment, discuss some of the previously proposed solutions, and summarize some of the more important research findings in this field.
Use was made of a laboratory pipeline model to study and quantify the effect of air entrainment on head loss. The experimental results were compared with an equation derived for the prediction of head loss, and found to agree.
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