Spherical Anemometer for Novel Portable and Fixed-Point Wind Measurement Devices

In this work, we propose a fully 3D printable spherical directional anemometer of 7 cm diameter, which contains two orthogonal, not intersected inner cylindrical pipes of 6 mm diameter. Measurements results are here presented: test has been performed in a wind tube where the reference air velocity has been monitored by means of a calibrated, high precision hot wire anemometer and compared to the magnitude of the airspeed measured with the proposed spherical anemometer.