Wind Tunnel Testing on Start/Unstart Characteristics of Finite Supersonic Biplane Wing

Figure 9

Schlieren images of flow field around model A (AR = 0.75, 𝛼=0^∘, 𝛽=0^∘, and 𝜙=0^∘): (a) 𝑀_∞=1.5 (case  11), (b) 𝑀_∞=1.7 (case  13), and (c) 𝑀_∞=2.3 (case  19).

(a) 𝑀_∞=1.5

(b) 𝑀_∞=1.7

(c) 𝑀_∞=2.3