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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/4456
Title: Performance evaluation of tapered vane
Authors: Gupta U.P.
Sharma N.
Ojha, C. S. P.
Published in: Journal of Hydraulic Research
Abstract: Tapered submerged vanes are installed in Wapsipinicon river bend in the USA and outside a new water intake in Nepal. Taper angle is the angle made by leading edge of vane with horizontal in vertical plane. A tapered vane also induces something called the vortex lift (at high angles of attack) which is a secondary lift caused by a reattachment of the flow due to a spanwise leading edge vortex. The aptitude of the vane/ foil to form this leading edge vortex is highly dependent on the shape of the leading edge, generally a sharp leading edge will form a strong vortex whilst a rounded leading edge will form a weaker vortex (with the vortex centre further downstream). In this paper, the effect of taper angle variation within a range 33.7° to 45° on moment of momentum (MOM) has been investigated and it is observed that for a given optimal angle of attack as 40°, MOM can be further increased by keeping the taper angle as 33.7°. © 2007 International Association of Hydraulic Engineering and Research.
Citation: Journal of Hydraulic Research(2007), 45(4): 472-477
URI: https://doi.org/10.1080/00221686.2007.9521781
http://repository.iitr.ac.in/handle/123456789/4456
Issue Date: 2007
Publisher: International Association of Hydraulic Engineering Research
Keywords: Moment of momentum
Taper angle
Tapered submerged vanes
Vortex lift
ISSN: 221686
Author Scopus IDs: 13409216900
13408226700
7004206177
Author Affiliations: Gupta, U.P., Morphology Directorate, Central Water Commission, 839(N), Sewa Bhawan, R.K. Puram, New Delhi-110 066, India
Sharma, N., Water Resources Development and Management, Indian Institute of Technology, Roorkee, India
Ojha, C.S.P., Civil Engineering Department, Indian Institute of Technology, Roorkee, India
Corresponding Author: Gupta, U.P.; Morphology Directorate, Central Water Commission, 839(N), Sewa Bhawan, R.K. Puram, New Delhi-110 066, India; email: umegupta@yahoo.com
Appears in Collections:Journal Publications [CE]

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