## Heat Conductivity of Gas in Gravitational Field

**Authors:** V.S. Vasilenko, A.A. Malgota

An exact solution was got for heat conductivity of gas in the gravitational
field with the use of model in that vector of speeds of molecules
equiprobable distributions for everything to directions as a result of
collision in an elementary volume dV. The thermal stream in horizontal
direction is described by the law of Fourier:
=-λ
, and in vertical -
= −
−
. Coefficient of heat conductivity
= −
1
3
< ˃ < > coincides with the coefficient got in the model
of discrete equiprobable distribution of vectors of speeds of molecules in
parallel and антипараллельно to the cartesian axes of coordinates 0x, 0y,
0z and discrete dispersion of molecules in select planes. At the same time
number of molecules flying from one side through an arbitrary single
ground (n) /4 in 1,5 time exceeds a value (n) /6, given by the
classic theory of distribution of speeds of molecules along Cartesian axes
of coordinates.

**Comments:** 10 Pages.

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### Submission history

[v1] 2019-01-30 19:59:45

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