Tulin and Shwartz 



THEORY: 



(zAJ ^ "" = 1 + (2 + D) (W„tA ) 



NOTE: D MAY BE REPLACED BY A, 



1 7 



EXPERIMENTS: 



O RUN 301 



|\ RUN 302 



RUN 304 



O RICHARDS (1965) 



D = 1 CORRESPONDS TO CONSERVATION OF MOMENTUM SOLUTION 



D = CORRESPONDS TO CONSERVATION OF ENERGY SOLUTION 

 WITH ZERO DISSIPATION 



1.5 



3 4 



TIME, W tA 



9 10 



Fig. 6, The rise of vortex-pairs in a homogeneous mediumj 

 comparison of experiment and theory 



338 



