, . - . - . : , , . . , , , , , . .
, . . .
: , .
, , . , , . . ( ). , , .
(. ) L. (idem) I II, . .
,
kv - , .
v = L / T, kv = kL / k ( - , k - ), . , .
, , , .
: , (), . . , () , , .
, .. , , , , , . , , . . . , p = p + ρgz, .
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, . . F = m,
kρ - .
, , L , , , S
, ρSv2 , ( ) , , . , , , . . ρSv2.
, I II
, , . F : , , . , . .
1. .
F = ΔpS ~ ΔpL2 (2.1)
Δ ( ); Eu , .
, .
: , .
2. , .
F = μ (dv/dy) S ~ vp (v/L) L2 ~ vpvL
(2.1) p v2 L2 -
, , . , - . L , , .
: , .
3. , . F ~ p g L3 (2.1)
Fr , . , .
, , .
, .
- - I II, (. ), 1-1 2-2.
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1-1 2-2 , .
u ; 1 a2 - , , ζ, .
, λ.
, , ζ, λ, Eu, Re , . Re , , . - Re ( Re ).
, -, (I) (II), , , -, : ReI = ReII.
vI = vII LII/LI . ( , ), vI.
(Eu, Re, Fr), . , , ( , ), (We), . (2.1)
We = σ L/(p v2 L2) = σ /(p v2 L) = idem.
() (, , ) (Sh), , . (pL3) dv/dt, , , v/. , (2.1)
p L3v/(p v2L2T) = L/(vT) = idem Sh = v(T/L) = idem.
( ) (), . (L2) = 2. pc2L2 (2.1)
Pc 2 L 2 /(pv 2 L 2) = c 2 /(v 2) = idem = v / c = idem.
. , .