Research Article

Study on the Optimal Number of Transducers for Pipe Flow Rate Measurement Downstream of a Single Elbow Using the Ultrasonic Velocity Profile Method

Figure 15

Velocity profiles along the ultrasonic beam path ( , ).
464313.fig.0015a
(a) Φ = 0–150° 
464313.fig.0015b
(b) Φ = 180–330°