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Technical note

Energy losses at pipe trifurcations

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Pages 333-340 | Received 01 Jun 2008, Accepted 04 Dec 2008, Published online: 12 Aug 2009
 

Abstract

In the case of pipe trifurcation, previous observations report negative energy losses in the centre branch. This causes an anomaly, because there should not be any negative energy loss due to conservation of energy principle. Earlier investigators have suggested that this may be due to the non-inclusion of kinetic energy coefficient (α) in the computations of energy losses without any experimental evidence. In the present work, through experimentally determined velocity profiles, energy loss coefficients have been evaluated. It has been found that with the inclusion of α in the computations of energy loss, there is no negative energy loss in the centre branch.

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