Written in English
|The Physical Object|
|Number of Pages||29|
This study presents an analytical approach for solving both the upstream-to-downstream depth ratio, Y ¯, and the energy loss through junctions of equal-width subcritical flows over horizontal beds, based on three experimental test setups with junction angles, θ being 30°, 45°, and 60°.Under a known discharge ratio, Q ¯, between upstream and downstream of main channel . Simulation of subcritical flow at open-channel junction Article in Advances in Water Resources 31(2) February with 48 Reads How we measure 'reads'. The configuration of open‐channel junctions controls local sedimentary processes, channel scour, and sidewall erosion through its influence on the flow patterns established as confluent streams compete for limited channel capacity. A novel SPH-SWE approach for modelling subcritical and supercritical flows at open channel junctions Article (PDF Available) in Journal of Hydro-environment Research .
A clear, up-to-date presentation of the principles of flow in open channels A fundamental knowledge of flow in open channels is essential for the planning and design of systems to manage water resources. Open-Channel Flow conveys this knowledge through the use of practical problems that can be solved either analytically or by simple numerical methods 5/5(1). Open channel flowmeters measure the flow of liquids in open channels and are particularly relevant to measuring the flow of water in rivers as part of environmental management schemes. The normal procedure is to build a weir or flume of constant width across the flow and measure the velocity of flow and the height of liquid immediately before the weir or flume with an . flow (Fr1) by restricting the flow as it passes through the • Any bends, dips, elbows, or flow junctions upstream of the flume must be • Open channel (non-full pipe) flow must be present under all flow conditions. A detailed solutions manual is available to instructors assigning this text as the primary book in the course. Open-Channel Flow, Second Edition is written for advanced undergraduate and graduate courses that covers both steady and unsteady open-channel flow. Product by:
Open Channel Flow I - The Manning Equation and Uniform Flow Harlan H. Bengtson, PhD, P.E. COURSE CONTENT 1. Introduction Flow of a liquid may take place either as open channel flow or pressure flow. Pressure flow takes place in a closed conduit such as a pipe, and pressure is the primary driving force for the Size: KB. In our rectangular open channel flow calculation, most of the combinations of inputs have analytic (closed form) solutions to compute the unknown variables; however, two require numerical solutions ("Enter Q, n, S, y" and "Enter Q, n, S, b"). Our numerical solutions utilize a cubic solver. All of our calculations utilize double precision. Supercritical flow at channel junctions is characterised by a distinct standing wave pattern. This paper aims at describing its features and defining the main dimensions of three waves. Wave C is a junction wave located at the rear of the junction point and may be compared with the wave due to an abrupt wall by: Open-Channel Flow conveys this knowledge through the use of practical problems that can be solved either analytically or by simple numerical methods that do not require the use of computer software. This completely up-to-date text includes several features not found in any other book .