Abstract
THE investigation of stream lines' has occupied the minds of several powerful workers, and great results have been obtained by the late W. Froude and Prof. O. Reynolds, and recently Prof. Hele Shaw has added some striking illustrations of the paths of the flow of liquids. Borda, in an almost forgotten, but remarkable paper (Memoires de l'Académie Royal 1766), writes thus (when describing the conditions under, which water flows by an opposing object):—“On imagine ensuit que les molecules du fluid, en s'approchant du corps, decrivient des lignes courbes, ou plutôt se meuvent dans les petits cananx courbes.” Borda goes on to show that theoretically, the stream lines should flow round and again join in the rear of the object.
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J.—S., F. The Movement of Air Studied by Chronophotography . Nature 67, 487–488 (1903). https://doi.org/10.1038/067487d0
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DOI: https://doi.org/10.1038/067487d0