Abstract
Three-dimensional numerical simulation of flow in trapezoidal cutthroat flumes based on FLOW-3D
Highlights
Nowadays, water crises are more and more seriously, and irrigated agriculture consumes more than 70% of the available water resources in the world[1]
A comparison between the head loss caused by the trapezoidal cutthroat flume and a rectangular cutthroat flume was made
The head loss caused by the trapezoidal cutthroat flume and rectangular cutthroat flume were calculated
Summary
Water crises are more and more seriously, and irrigated agriculture consumes more than 70% of the available water resources in the world[1]. Optimal allocation of water availability for agricultural irrigation in an efficient manner is a critical issue for agricultural water management[3]. Many irrigation areas use open channels to transfer water from headwaters to the field. The rate of flow along the channel, i.e., the discharge, must be known. Accurate discharge measurement is an important parameter in the management of irrigation systems and has a highly significant influence on the allocation of the irrigation water and strengthens the water-saving consciousness of water users. Wang[4] concluded that flumes, compared to other existing flowmeasuring devices, are more suitable for flow measurement in open channels and are easier to apply
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