, , ν. , , ν . , , , ν', , , : ν' ¹ ν. .
, S P u u ' ( ).
, T = 1/ν, λ = v ∙ T, v , , uT. , λ' = vT uT (.), ( )
.
( , v + u ',
.
, , , u ' u . , u ' u .
, ( ) , .
, :
u ' x ux X, , . . S P.
(1.60), .
1. S P u u '. ν, v. v ', .
X u ' = u ', ux = - u. (1.60),
ν' = ν (v - u ')/(v + u).
2. S, ν, us P, (.). u 0 (). v. v ', .
, , : u ' = u 0, u = us u 0. , , X, . (1.60), :