Abstract
Intakes are usually more economical, easier to operate and draw less silt when they are located near the free surface. However, it has been frequently observed that, when the water depth above the intake is low, vortices are formed which may lead to air-entrainment. The presence of air in the water leads to increased vibrations and noise. It can also affect the efficiency of the hydraulic machine to which the intake supplies the water. It is therefore essential to set the intake so as to eliminate vortex formation.
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References
Amphlett, M.B. (1976). Air-entraining Vortices at a Horizontal Intake. Report No.OD/7, Hydraulics Research Station, Wallingford, England.
Bhargava,P.K. (1982). Vortex Formation at Pipe off-take from an Open Channel. M.E.Thesis, University of Roorkee, Roorkee, India.
Jain,A.K. (1977). Vortex Formation at Vertical Pipe Intakes. Ph.D.Thesis,University of Roorkee, India
Jain, A.K., Ranga Raju, K.G. and Garde,R.J. (1978). Vortex Formation at Vertical Pipe Intakes. Journal of Hydraulics Division,Proceedings of ASCE,Vol. 104.
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© 1984 Springer-Verlag Berlin Heidelberg
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Bhargava, P.K., Vittal, N., Raju, K.G.R. (1984). Vortex Formation at Pipe-Offtake in an Open Channel. In: Smith, K.V.H. (eds) Channels and Channel Control Structures. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-11300-4_8
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DOI: https://doi.org/10.1007/978-3-662-11300-4_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-11302-8
Online ISBN: 978-3-662-11300-4
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