, n1, n2, n1. , n2, .
2 . Q1 1, N1 η1 (. 4.1).
. 4.1.
nx Q1, H1 N1 η1 (4.4), Q2, H2, N2 η2, n2. , , n2.
Q - H , , 1 (. 4.2).
. 4.2.
, Q1 1 1 (4.4), . : 2, 3, 4,..., , . , . (4.4) 1/2
, 䠠
H = sQ2
, .
1.
, d= 30 , H = 50 Q = 18 / w = 30 /.
, Q = 100 /
w = 60 /?
, , .
:
d | H | Q | w | |
1 | 31 | 51 | 19 | 31 |
2 | 32 | 52 | 20 | 32 |
3 | 33 | 53 | 21 | 33 |
n |
Q=S μ 2g H = Sw;
w = 60 /
2.
d = 100 D = 200 , , .
|
|
, , , Qmin = 16 /, , , h = 45 .
1. Qmin .
2. h, .
ν = 10-2,
μ = 1,8210-4 (1 = 0,1 ) ρ = 1,166 /3.
. Qmin , .
3.
l0 = 2 = 1,5 . wo=3 /;
t0 = 20 C. t = 90 . , .
t0 ≈ 20 ν = 15,06 10 - 6 2/; λ=2,23 10 - 2 /( ); r = 0,703,
t0.
4.
3 = 0,1l0; = 0,2l0; x = 0,5l0 = l0. δ /l0.
3 ,
堠
x = 0,1l0:
δ α = 0,2l0; = 0,5l0 x=l0. .