.1 qhdes, /(2××) /(3 ´ ×),
qhdes = 103× Qh/ (AhDd)
qhdes = 103× Qh/ (VhDd), (.1)
Qh - , ;
Ah - , , 2;
Vh - , , , 3;
Dd - , (1).
.2 Qh, ,
Qh = [ Qh - (Qint + Qs) vz ] bh, (.2)
Qh - , , .3;
Qint - , , .6;
Qs - , , .7;
v - ; v = 0,8;
z - ; :
z = 1,0 - ;
z = 0,95 - ;
z = 0,9 - , ;
z = 0,85 - ;
z = 0,7 - ;
z = 0,5 - - ;
bh - , , , , , , :
bh = 1,13;
bh = 1,11;
bh = 1,07;
, bh = 1,05.
.3 Qh, ,
Qh = 0,0864 KmDdAesum, (.3)
Km - , /(2×),
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Km = Kmtr + Kminf, (.4)
Kmtr - , /(2×),
Kmtr = (Aw/Rwr + AF/RFr + Aed/Redr + Ac/Rcr + nAc1 / Rc1r + f/Rfr + Af1/Rf1r)/Aesum, (.5)
Aw, Rwr - , 2, , 2×/, ( );
AF, RFr - , (, , );
Aed, Redr- , ;
, Rcr - , ( );
Ac1, Rc1r - , ;
Af, Rfr - , ;
Af1, Rf1r - , .
f, Rfr (.5) f, Rfr , , 41-01 f, Rfr;
- , 5.4; (5);
Dd - , (1), ×;
Asum - , (10), 2;
Kminf - , , /(2×),
Kminf = 0,28× ××bv × Vh×raht×k/Asum, (.6)
- , 1 /(×);
bv - , . bv = 0,85;
Vh Aesum - , (10), 3 2 ;
raht - , /3
raht = 353/[273 + 0,5(tint + text)], (.7)
- , -1, .4;
tint - , (2), ;
text - , (3), .
.4 , -1,
= [(Lvnv)/168 + (Ginfkninf)/(168× raht)]/(bvVh), (.8)
Lv - , 3/, :
) , ( 20 2 ) - 3 Al;
) - 0,35×3 Al, 30 ; - ;
) - 4Al, - 5Al , - 6Al;
Al - - , - , 31-05 , , , , , , , , , 2;
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nv - ;
168 - ;
Ginf - , /: - , , .5; - , ; Ginf = 0,5 bvVh;
k - , : - 0,7; - 0,7; , - 0,8; , - 0,9; , - 1,0;
ninf - , , 168 - (168 - nv) , ;
raht, bv Vh - , (.6).
.5
Ginf = (AF / Ra.F)×(D PF /10)2/3 + Aed / Ra.ed)×(D Ped /10)1/2, (.9)
F Aed - , 2;
Ra.F Ra.ed - ;
D PF D Ped - , (13) 0,55 0,28 (14) , .
.6 Qint, ,
Qint = 0,0864 qintzhtAl, (.10)
qint - 1 2 , /2, :
) , ( 20 2 ) qint = 17 /2;
) ( 45 2 ) qint = 10 /2;
) - qint 17 10 /2;
) (90 /), , ( ) (10 /2) ;
zht - , (2), ;
Al - , .4/
.7 Qs, , , ,
Qs = tF × kF (AF1I1 + AF2I2 + AF3I3 + AF4I4) + tscykscyAscyIhor, (.11)
tF, tscy - , , ; ;
kF, kscy - , ; ; 45 , 45 - ;
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AF1, AF2, AF3, AF4 - , , 2;
Ascy - , 2;
I1, I2, I3, I4 - , , /2, ;
- ;
Ihor - , /2, .
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