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Transactions of the Wisconsin Academy of Sciences, Arts and Letters
volume IV (1876-1877)

Davies, J. E.
Report on recent progress in theoretical physics,   pp. 241-264 PDF (6.7 MB)


Page 243


Recent Progress in Theoretical Physics.
and other sugars, are also known to possess this property to a
greater or less degree.
Here the conductor is supposed to be bent in a ring placed vertically, and
the
plane of the paper, a section through it. The section and lines of one side
only are shown. These lines would therefore represent the directions of the
lines
of flow in the fluid surrounding a vortex ring of which the small circle
is a
section of the core. The intensity of the magnetic force atany point of one
of
these lines would also be proportional to the velocity of the fluid at a
corres-
ponding point around the vortex.
                                                                   and. A
  Perhaps x lgs. a anti u
will help to a better under
standing of the relations
contemplated.
                Fig. 5.                                Fig.'6
  The behaviour of two vortex rings gyrating in the same or in opposite di-
rections, in a frictionless fluid, are shown for rings gyrating in the same
direction by Nos. 1, 2, 3 and 4 of Fig. 7;
       ]Ah.4
  A ro.
A     U13
                                  Fig. 7.
and for rings gyrating in opposite directions by Nos. 1,'2 and 3 of Fig.
8.
           N~o .S
       NO                   /
                                                              (Y
                        j~~~~~-
Fig. 8.
243


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