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RISVoid Fraction Distribution Downstream of Nonlinear Weirs: An Experimental Investigation Using Trapezoidal A-Type Piano Key Weirs, a Labyrinth Weir, and a Linear Weir
Publisher: American Society of Civil Engineers
Abstract: This experimental study investigates the behavior of void fraction distribution downstream of nonlinear weirs. Systematic air concentration measurements were performed in a 3D array for two model pairs: (1) a piano ...
Comparative Study of Nonsymmetrical Trapezoidal and Rectangular Piano Key Weirs with Varying Key Width Ratios
Publisher: ASCE
Abstract: Rectangular piano key weirs (RPKW) have been introduced as an innovative type of labyrinth weir with a smaller footprint and high hydraulic performance. To date, limited attention has been paid to PKWs with other planforms. ...
Influence of Piano Key Weir Crest Shapes on Flow Characteristics, Scale Effects, and Energy Dissipation for In-Channel Application
Publisher: American Society of Civil Engineers
Abstract: Due to their small footprint and efficient hydraulic performance, piano key weirs (PKWs) have been gaining growing attention in the past two decades. Besides the primary geometric parameters like magnification ratio and ...