:
1) 1.1 1.15 . B = Dmax / 0.85;
2) ;
3) () , .
2.3.1.
, . . .
2.3.1.1
( ). . (i), (imin) (imax) .
(17):
i
Q = K0 * Q * ------ * δ , /; (17)
i
: K0 = Kf * Kk * Kw;
Q i, 3/.
Kf, Kk, Kw A.6 A, A.7 A.
(K) (18):
Qn
------- * i
K
i = -------------------------, . (18)
Kf * Kk * Kw * δ
Qn ( ) .
. (19):
qmax qmin
Qn = qmin + -----------------*(i - imin), 3/; (19)
imax imin
(20):
qmax qmin
Q = Kf * Kk * Kw * [qmin + -----------------*(i - imin)] * δ, /; (20)
imax imin
(21):
Qn
------- Kf * K * Kw * δ * qmin
K
i = imin + --------------------------------------------- * (imax imin), . (21)
|
|
(qmax qmin) * Kf * Kk * Kw * δ
K = 0.85 ( (18) (21)) :
i < imin i = i imin < i < i ;
imin < i < i i = i;
i < i < imax i = i;
i > imax , .. .
2.3.1.2
() () .
(17). (Q), A.8 A, (20).
i (18) (21).
2.3.2
(22):
Q = K * Kf * Qn * δ, /; (22)
Qn (19).
, һ i.
2.3.3
(23):
Q = K * Kf * Qn * δ, /; (23)
Qn (19).
, , (24):
Q = K * Kf * Qn * δ, /; (24)
: K , , A.5 A.
15÷18 , . (25):
Q = Kf * Qn * δ, /; (25)
Qn A.18 A.
. .
(26):
Q2 / Q1 = (d1 / d2)0.25 (26)
: Q2/Q1 , , , , ..;
d1; d2 , .
A.17 A.18 A.