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Turbulence Management and Relaminarisation - Proceedings of the IUTAM Symposium, Bangalore, India, 1987 (Paperback, Softcover reprint of the original 1st ed. 1988)
Loot Price: R3,036
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Turbulence Management and Relaminarisation - Proceedings of the IUTAM Symposium, Bangalore, India, 1987 (Paperback, Softcover reprint of the original 1st ed. 1988)
Series: IUTAM Symposia
Expected to ship within 10 - 15 working days
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The last two decades have witnessed an intensifying effort in
learning how to manage flow turbulence: it has in fact now become
one of the most challenging and prized techno logical goals in
fluid dynamics. The goal itself is of course not new. More than a
hundred years ago, Reynolds already listed factors conducive to
laminar and to turbulent flow (including among them curvature and
acceleration). Further more, it is in retrospect clear that there
were several early instances ot successful turbulence management.
Examples are the reduction in drag achieved with a ring-trip placed
on the front of a sphere or the insertion of a splitter-plate
behind a circular cylinder; by the early 1950s there were numerous
exercises at boundary layer control. Although many of these studies
were interesting and suggestive, they led . to no spectacularly
successful practical application, and the effort petered out in the
late 1950s. The revival of interest in these problems in recent
years can be attributed to the emergence of several new factors.
First of all, fresh scientific insight into the structure of
turbulence, in particular the accumulated evidence for the presence
of significant order in turbulent flow, has been seen to point to
new methods of managing turbulence. A second major reason has been
the growing realisation that the rate at which the world is
consuming its reserves of fossil fuels is no longer negligible; the
economic value of greater energy effi ciency and lower drag has
gone up significantly."
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