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

Figure 16

Velocity profiles along the ultrasonic beam path (Re=5×10⁶, 𝐿_𝑑=5𝐷).

(a) Φ=0−150^∘

(b) Φ=180−330^∘