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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CALCULATION OF THE RISE VELOCITY OF LARGE GAS BUBBLES

Yu. B. Zudin

UDC 532.529.5

The problem of determining the rate of rise of large 
gas bubbles in an infinite volume and a vertical tube is considered. 
In the first case the shape of the bubble is constructed by "gluing 
together" the front surface immersed in a flow of ideal liquid and 
the rear surface being formed under the action of gravitational and 
capillary forces, and in the second case the solution of the Laplace 
equation is constructed for the velocity potential in the problem 
of ideal liquid flow in a tube around a semiinfinite cylindrical body 
with a hemispherical frontal part.

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