Abstract
A man-made structure where water flows is called an open water channel. Chapter 8 deals with the flow in an open water channel. In a constant pressure-driven pipe flow, open-channel flow is the gravity-driven flow of a liquid in a conduit where the liquid has a free surface. Applications include rivers, canals, dams, spillways, storm sewers and rain gutters for buildings and roadside. Because of the complex flow caused by the liquid having a free surface, empirical formulas must be used to solve open-channel flow problems. In addition, these problems are presented in an easy-to-understand manner due to fluid energy and continuity along with Froude number and Reynolds number which are important dimensionless quantities. Consideration to explain the best sectional shape of open channel and phenomenon called jump. It also describes how to measure flow by various weir shapes.
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