, , 3 , :
;
;
,
V1 , τ τ0 , :
V1 = Q1·τ1 = Q1·(τ0 τ). (5.1)
τ τ0 .
Q1 ( 1) :
. (5.2)
Q0 ().
l,
2- , *, Z1 Z2 l .
Q ' P l .
, m0 0.25.
Q1:
) Q = Q0 ( , ):
Q1 = ω·μ· 
. (5.3)
ω , 1.
μ d. Re . 4.
4
| Re | < 25 | 25400 | 40010000 | 10000300000 | >300000 |
| μ | 
| 
| 0.529+ 
| 0.529+ 
| 0.595 |
Re :
)/ν. (5.4)
μ , , :
. (5.5)
(24) d = d..
h* P l, i', , hτ , ha, , :
; (5.6)
Д = 0, P<(Z-Z2)·ρ·g, P<(Z-Z2)·ρ·g, Q1 = Q (5.7)
, . , .
|
|
|
τ2 τ0 τ τi, ( ) .
, τi 0.25 , τi (τi = 0.01...0.1 ).
τ2 = (τ0 τ) Vi , τi:
V2 = ΣVi = ΣQi·τi. (5.8)
i- Qi :
Qi = μ·ω· 
. (5.9)
, i- , :
hi = Zi Z hτ ha. (5.10)
Zi, , i- .
τi Vi, li :
li = 
. (5.11)
li xi Zi, τi+1.
Zi, (5.10) τi+1. c τ2 = τ τ.
