By M. Samimy, K. S. Breuer, L. G. Leal, P. H. Steen
The visualization of fluid stream has performed an immense position within the improvement of fluid dynamics and its functions, from the evolution of flight to monitoring climate, and figuring out the circulation of blood. The Fluid Dynamics department of the yank actual Society sponsors an annual festival for impressive photographs of fluid move. This quantity features a number of winners from 1985 to the current. every one picture is followed through a few explanatory textual content, making the amount a huge acquisition for a person excited by fluid stream examine.
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Additional info for A Gallery of Fluid Motion
The tracer exhibits the stretching and folding of chaotic ﬂows while the islands (regular regions) preclude widespread mixing. 42 they do. The top picture corresponds to 20 periods; the bottom picture to 201⁄4 periods. Note that the placement of the islands becomes symmetric with respect to the horizontal axis and the vertical axis. Blobs placed in islands barely stretch at all. Keywords passive tracer; time-periodic forcing; stretching and folding; fluorescent dye. -W. Leong and J. M. Ottino, “Experiments on mixing due to chaotic advection in a cavity,” J.
Villermaux, “Mixing and spray formation in coaxial jets,” J. Prop. jet atomization; spray generation. Power 14, 807 (1998). A Gallery of Fluid Motion, ed. M. Samimy et al. Published by Cambridge University Press. © Cambridge University Press, 2003. 1 ml water droplet forced by stepped actuation at 1080 Hz. The frame rate is 2000 fps. 1 ml water droplet forced by slowly ramped actuation at 840 Hz. The sequence of zoomed-in images is recorded at 3000 fps. Vibration-induced droplet atomization Bojan Vukasinovic, Ari Glezer, and Marc K.
Fluid Mech. 184, 123 (1987). A Gallery of Fluid Motion, ed. M. Samimy et al. Published by Cambridge University Press. © Cambridge University Press, 2003. 20 A Gallery of Fluid Motion Figure 1 Figure 2 Figure 3 Vortex breakdown on a delta wing F. M. Payne, R. C. Nelson, and T. T. Ng University of Notre Dame The above photographs show the breakdown of a leadingedge vortex on an 85° swept delta wing at a 40° angle of attack. The freestream velocity is 10 ft/sec. For highly swept wings at high angles of attack, the vortices tend to break down asymmetrically.
A Gallery of Fluid Motion by M. Samimy, K. S. Breuer, L. G. Leal, P. H. Steen