Distribution of Energy Losses at Conduit Trifurcations

by Bezzam C. Syamala Rao,
Nagar S. Lakshmana Rao,

Serial Information: Journal of the Hydraulics Division, 1968, Vol. 94, Issue 6, Pg. 1363-1374

Document Type: Journal Paper


An equation for the estimation of energy losses occurring in individual branches of a trifurcation is presented. Experiments were conducted for division of flow on nine trifurcations with branches of varying diameters (1 in. to 2 in.) and takeoff angles (0○ to 90○). The coefficients for the theoretical equations are determined from the experiments, and are expressed in the form of empirical equations. The Reynolds number influence on the energy loss in the range 1 × 105 to 4 × 105 was negligible. The influence of the kinetic energy coefficient, α, on the energy loss coefficient in the main pipe was investigated. The energy losses at trifurcations were compared with those at bifurcations available in literature and were found to be generally larger in magnitude.

Subject Headings: Energy loss | Power transmission | Conduits | Empirical equations | Reynolds number | Kinetics | Pipelines | Bifurcations

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