Revised Theory of Vortex Rings - a Simplified Review of the State of the Art, with Addendum on Prospects of Using Vortex Rings to Convey Tear Gas.
BALLISTIC RESEARCH LABS ABERDEEN PROVING GROUND MD
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The vortex ring is an essential and ubiquitous phenomenon that has been rather neglected in aerodynamics and technology, perhaps because it is usually construed, unfortunately, as a mere exercise in old-fashioned mathematics. The existing venerable theories of this phenomenon are at once little known, difficult, uncoordinated, insufficient and inconsistent. They are reviewed, modified and combined, and are thus made ready for the long-overdue experimental tests. An essential mathematical preliminary, the theory of straight vortices, is discussed in an appendix. Modified author abstract
- Chemical, Biological and Radiological Warfare
- Fluid Mechanics