Energy Losses Due to Combination of Flow at 60.DEG. and 120.DEG. Tees.

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  • ６０°および１２０°合流管のエネルギ損失
  • 60ドオヨビ 120ドゴウリュウカン ノ エネルギ ソンシツ

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Abstract

The loss coefficients and the power-loss coefficients for sharp-edged combining tees with the area ratios of 11.44 and 17.72 are determined experimentally for the branch angles of 60°and 120°. Based on the least squares analyses of the experimental data of both the present authors and previous investigators, empirical equations of loss coefficients for 60°and 120°combining tees are proposed. The effects of both the area ratio and the radius of curvature of the wall at the joining edge on loss coefficients are taken into account in deriving the equations. The comparison of the proposed equations with the experimental data shows that the proposed equations can be used to reliably estimate the energy losses at 60° and 120° combining tees.

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