Can venturi flowmeters be used to measure residential consumption?
DOI:
https://doi.org/10.5902/2179460X91596Keywords:
Consumer water meter, Venturi meter, HydrometerAbstract
Flow measurement is critical for the management of processes involving fluids. Depending on their location, meters can be classified as macro flow meters or customer flowmeters. Accounting for water inflows and outflows is essential to manage revenues and losses and can be measured through different instruments with different principles of application. A few research related water losses and the use of macro flowmeters in the water distribution networks (WDN) regarding its precisions and costs. For residential consumption registration, volumetric and velocimetric meters are often the most used type of meter as it presents a good cost/efficiency relation. In this sense, the main objective of this research was to compare the simple Venturi meter with the most used residential flowmeters: velocimetric, volumetric and ultrasonic meter. Experimental studies were carried out on a 20 mm diameter calibration bench by volumetric method, in the calibration facilities laboratory. Experimental results are presented and analyzed. Results shows that by applying a discharge coefficient based on experimental adjusted equations Venturi meters can perform similarly to the other meters studied.
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