Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the  Academic Scientific Complex 
	"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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RISE OF AN AIR BUBBLE (A THERMAL)
IN THE ATMOSPHERE
L. G. Kaplan and E. I. Nesis
UDC 532.51:551.558
We  elucidate  the behavior of large regions of  warm  air 
(thermals) rising  in  the earth's atmosphere. It is found 
that  inside  a  uniformly  rising  large spherical bubble 
rotational  motion  of  the  air arises  around  a central 
vortex line located in the equatorial plane of the bubble. 
We  determine  the  total  energy  of  the rise process of 
a thermal.
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JEPTER74920199811
JEPTER7492011