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Figure 3

Figure 3

Figure 3

Figure 3


Fig. 3. Far-field flow structures around a hovering fruit fly. Absolute iso-vorticity surfaces and velocity vectors with a body (Ai,ii,Bi,ii,Ci,ii,Di) and without a body (Aiv,v,Biv,v,Civ,v,Diii) at four instances of (a), (b), (e) and (g), respectively, as illustrated in Fig. 2C. (Aiii,Biii,Ciii,Dii) The corresponding velocity vectors and contours of vertical velocity components in the stroke plane (red broken circle).