Numerical simulations and experimental studies on a target fluidic flowmeter |
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| Affiliation: | 1. Faculty of Civil Engineering, Wroc?aw University of Science and Technology, Wybrze?e Wyspiańskiego 27, Wroc?aw 50-370, Poland;2. Deptartment of Mechanical and Aerospace Engineering, MSC 3450, New Mexico State University, P.O. 30001, Las Cruces, NM 88003-8001, United States;1. IEIIT — Pisa, CNR, via G. Caruso 16, I-56122 Pisa, Italy;2. Dipartimento di Ingegneria dell''Informazione, University of Pisa, via G. Caruso 16, I-56122 Pisa, Italy |
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| Abstract: | The aims of this work were to determine the flow characteristics of a target fluidic flowmeter by both experimental studies and numerical simulations, and thence to understand the flow phenomena in such a flowmeter. Experimental studies and numerical visualizations on the target flowmeter for water measurements are reported in this paper. Computational fluid dynamics using the software FLUENT were used in the numerical simulations and also to determine the best position to place the hot-film sensor for the detection of the maximum velocity oscillation signals in the flowmeter. The effect of the distance from the inlet nozzle to the target was studied. The flowmeter exhibited the least variations in the Strouhal number versus Reynolds number relationship when the ratio of the distance between the nozzle and target to the nozzle width (x1/d) was 25.5 for Reynolds number greater than 500. |
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