An experimental investigation of oscillatory flow in pipe bends

Oscillatory flow in ∪-shaped pipes has been investigated experimentally. The velocity field is mapped by observing the motion of tracer particles either photographically or by laser-Doppler anemometry. The most important result seems to be the observation of regions with strong secondary streaming a...

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Bibliographic Details
Published in:Journal of fluid mechanics 1982-05, Vol.118 (1), p.269-284
Main Authors: Bertelsen, Arnold F., Thorsen, Leif K.
Format: Article
Language:English
Subjects:
anemometers
oscillation
pipes
turbulent flow
velocity
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Summary:Oscillatory flow in ∪-shaped pipes has been investigated experimentally. The velocity field is mapped by observing the motion of tracer particles either photographically or by laser-Doppler anemometry. The most important result seems to be the observation of regions with strong secondary streaming at the inlet of the curved section, which, to the best of our knowledge, has not been reported before.
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112082001074