STABILITY OF THE AIR CONVECTION IN A TWO-LAYER COVER OF SNOW.
I. SYSTEM OF LINEARIZED EQUATIONS FOR THERMAL AIR CONVECTION

M. K. Zhekamukhov and I. M. Zhekamukhova

UDC 532.5

The problem on determination of the critical Rayleigh number
at which the air contained in the pores of the snow in a snow
cover consisting of two layers with different thermophysical and
structural parameters becomes unstable was formulated.

Kh. M. Berbekov Kabardino-Balkar State University, 173
Chernyshevskii Str., Nal'chik, 360004, Russia.
Translated from Inzhenerno-Fizicheskii Zhurnal,
Vol. 80, No. 1, pp. 107-112, January-February, 2007.
Original article submitted June 2, 2005.