Vol. 6, issue 11, article # 15

pdf Osipenko I. N., Pavlovskii I. Yu., Spazhakin V. A., Sysoev N. N. Experimental study of propagation of the visible and IR radiations in air above inhomogeneously heated surfaces. // Atmospheric and oceanic optics. 1993. V. 6. No. 11. P. 829-830.
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In this paper we measured spatial distribution of temperature and cross—section averaged velocities of convective air flows through inhomogeneously heated tubes. It is shown that certain regimes of heating of the tube surfaces can provide, in spite of a complicated character of gas flows, noticeable homogeneous temperature gradients as a result of not very intense heating. The resulting profiles of the air refractive index could be used to focus laser radiation.