() (). , (. . 9)
, (3.15)
.
. (%) , . , 00 350, [11]. .
/ . (3.16)
. (3.17)
= . (3.18)
= / .
, /(∙) (3.19)
3.4. .
(h), (t), , (QK) (Q), , (hB) (h). , :
h(t) = QK = Q + hB(t2 ) + h(t). (3.20)
,
h(t) = c (t) ∙ Dt, (3.21)
t = t2 + Dt = t2 + h(t) / c (t). (3.22)
. , , ( ). , , .
1. ( ), /:
m = ∑(mi ∙ ri) = μH2O ∙ rH2O + μ RO2 ∙ rRO2 + μ N2 ∙ rN2+ m ∙ rB =
= 18,016 ∙ rH2O + 44,01 ∙ rRO2 + 28,15 ∙ rN2+ 28,97 ∙ r . (3.23)
2. , /(∙):
R = μR /μ → R = 8,3145 /μ. (3.24)
3. , , /:
H(t) = Q ∙ V + HB(t2 ) + H(t) = Q ∙ V + h2 ∙ m + h ∙ m, (3.25)
: Q /3; H /; V = 22,414 3/ 1 ; h /; m /.
4. (, t = 1000; 1050; 1100; 1150; 1200; 1250 OC).
5. [2] (H) , /:
|
|
HH2O, HRO2, HN2, H = f(t). (3.26)
6. (H ), /:
H = rH2O ∙ HH2O + rRO2 ∙ HRO2 + rN2 ∙ HN2 + rB ∙ H. (3.27)
7. , , H = H, , OC (. 10)
Dt = f(H = H). (3.28)
8. , OC
t = t2 + Dt. (3.29)
9. :
η = η ∙ η. (3.30)
: η ; η .
, [4], :
η = 1 (Q + Q) / (Q)), (3.31)
: Q ( ), /3, (/). 1¸5 % 1¸3 % ;
Q . 0,5 % , /3, (/).
:
η = 0,97 0,98. (3.32)
:
) () , , .. :
) , . , ( ).
. η, :
η = 0,98 0,99. (3.33)
[5, 6]:
η = η ∙ η = 0,95 0,98. (3.34)
. . .
1. , ( : t3 = t):
H(t) = H3(t3) = QK ∙ η = [Q ∙ V + HB(t2 ) + H(t)] ∙ η, (3.35)
: Q /3; H /; V = 22,414 3/ 1 ; η = 0,97 0,98 , , , (. 11).
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2. (, t3 = 1000; 1050; 1100; 1150; 1200; 1250 OC).
3. [2] (H) , /():
HH2O, HRO2, HN2, H3 = f(t3). (3.36)
4. (H ), /(∙):
H3 = rH2O ∙ HH2O + rRO2 ∙ HRO2 + rN2 ∙ HN2 + rB ∙ H3. (3.37)
5. , , H3 = H, , OC
Dt = f(H3 = H). (3.38)
6. , OC
t3 = t2 + Dt. (3.39)
. 9. h,s-
. 10. H, ∆t-
. 11. -110: ; ; ; . -