Top Width given Wetted Area evaluator uses Top Width = Wetted Surface Area of Parabola/((2/3)*Depth of Flow) to evaluate the Top Width, The Top Width given Wetted Area is defined as the top length in the channel measured in the perpendicular direction of flow. Top Width is denoted by T symbol.
How to evaluate Top Width given Wetted Area using this online evaluator? To use this online evaluator for Top Width given Wetted Area, enter Wetted Surface Area of Parabola (APara) & Depth of Flow (df) and hit the calculate button.