CFD ANALYSIS OF MINI VENTURI-TYPE AIR FLOWMETERS FOR LAB-SCALE APPLICATIONS

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Sigma Mühendislik ve Fen Bilimleri Dergisi
Volume:38 Issue:2
CFD ANALYSIS OF MINI VENTURI-TYPE AIR FLOWMETERS FOR LAB-SCALE APPLICATIONS

CFD ANALYSIS OF MINI VENTURI-TYPE AIR FLOWMETERS FOR LAB-SCALE APPLICATIONS

Authors : Selami DEMİR

Pages : 603-612

View : 24 | Download : 10

Publication Date : 2021-06-01

Article Type : Research Paper

Abstract :Being one of the cheapest devices for air flow measurement within a wide range of flowrates, Venturi-type air flowmeters insert ignore into journalissuearticles values(VTAFs); can also be used for measuring very small air flowrates, usually less than 50 to 100 liters per minute, which is usually encountered in lab-scale applications. This study presents a model-based evaluation of VTAFs for lab-scale applications. The pressure and velocity fields in mini VTAFs were calculated by computational fluid dynamics insert ignore into journalissuearticles values(CFD); model using Ansys Fluent™. Results showed that sensitive and accurate measurements of volumetric flowrate can be achieved using mini VTAFs. A diameter ratio of 0.6 for the venturi throat provides a minimum detection limit of 2.46 LPM while an overall pressure drop of around 115 Pa at an air flowrate of 50 LPM at 20°C.
Keywords : Air flow, mesasurement, lab scale applications, venturi flowmeters

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