Outlet Transitions with Triangular-Shaped Baffles

by Lloyd H. Austin, (A.M.ASCE), Res. Engr.; Dept. of Agr. and Irrig. Engrg., Coll. of Engrg., Utah State Univ., Logan, UT,
Gaylord V. Skogerboe, (M.ASCE), Assoc. Prof.; Dept. of Agric. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
Ray S. Bennett, Grad. Res. Asst.; Dept. of Agric. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,


Serial Information: Journal of the Irrigation and Drainage Division, 1971, Vol. 97, Issue 3, Pg. 433-448


Document Type: Journal Paper

Abstract: Laboratory hydraulic studies have been used to determine the proper location for triangular-shaped baffles in open channel expansions having vertical walls. The outlet transition structures that were studied ranged from the abrupt expansion to divergences of 1:1, 2:3, 1:3, and 1:6. The previously developed analysis for submerged flow in flow measuring flumes has been modified to allow the analysis of energy loss in outlet transitions. The design procedure for outlet transitions with triangular-shaped baffles incorporates the modified analysis.

Subject Headings: Baffles (hydraulic) | Submerged flow | Flow measurement | Laboratory tests | Hydraulics | Open channels | Walls | Energy measurement

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