Table 1 la Parameters of Group A Tablelb Parameters of Group B
Related Figures (34)
body upstream. Fig. 2 (a)A schematic drawing showing the model installed inside a wind tunnel and the Fig.3 (a) A photographic illustration of the sweeping jet actuator; (b) The normalized oscillation frequency as a function of the bulk velocity of the sweeping jet actuator. to hold it on the position. The air supply to the actuator was provided by a compressor with a maximum supply pressure Fig.4 Locations of sweeping jet actuators relative to the surface pressure distributions in the baseline case same spanwise spacing located at three different streamwise locations . Fig.5 Baseline at Re=200,000: (a) Iso-surface with Q=0.1 for the illustrating the shape of the afterbody vortex pair; (b) Contours of surface pressure along with the trajectories of the afterbody vortex pair. coincide with the region of high surface pressure. Fig.6 (a) Contours of surface pressure; (b) Contours of velocity magnitude on three cross- Se ee ee nS ae 2 On... /. .~4 4, 2! Re PES S.C. of drag reduction is defined as. Fig.8 Reaction force produced by a sweeping jets pair placed at different locations at the quiescent condition. deviation was also observed and well discussed by Schmidt et al., (2017). Fig.9 Contours of pressure changes in (a) Top2; (b) Bot2E at different C,. efficiency for Top2 is higher at the corresponding Cu. Fig.11 (a)-(e) Contours of time-averaged vorticity in Top2 at different streamwise positions and C,. Fig.12 (a)-(e) Contours of time-averaged vorticity in Top2 at different streamwise positions and C, Fig.13 Variations of vortex circulation with Cu in Case Top2 and Bot2E at x/c=1.0. Fig.14 Contours of streamwise vorticity along with contours of change in surface pressure at C,=6 > the reduction in vortex size is another primary source of the local pressure increase. diffused vortex further downstream as seen in Fig. 12(a5-e5).
