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Fig. 7. Velocity field generated by the mechanical model
(Fig. 4B) measured in a
horizontal plane LS1 (Fig. 2).
Negative images of the device cut from a PIV image are shown for a reference.
The positions of the jets produced by a model are indicated by bold red
arrows. Two jets directed to the sides (C), 45° backwards (A), 45°
upwards, off the plane of measurement (B), a single jet directed to the left
(D). Reference segment at the bottom left, 2 cm; reference vector, 1 cm
s–1. Short arrows at jet locations and over the model
correspond to the `noise' of image processing software and are not indicating
any real values of fluid velocity. Profiles of the horizontal fluid velocity
along the enumerated streamlines (broken lines) are correspondingly plotted in
Fig. 9A–D.
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