, , .
2 , .
1 -
.
ΣQ. = ΣQ.
, ,
ΣQ. = Qc + Q.. + Q..+ + + + (2.4)
Qc , , ,
Q.. , , ,
Q... , ..,
Q.. , .. .,,
, , :
Qc = Gc Jn340+273 ∙ + Gc(1- ) ∙ J340+273, (2.5)
Gc - , /,
Jn340+273 - 340 , /;
J340+273 - 340, /.
=0,063
, /
JnT = (129,58 + 0,134 ∙ + 0,00059 ∙ 2) ∙ (4 - ρ1515) - 308,99 (2.6)
ρ1515=0,882+5∙0,000686=0,885
Jn(340+273) =(129,58 + 0,134 ∙ 613 + 0,00059∙6132) ∙ (40,885)- 308,99=1041,23 /
, /:
, (2.7)
J(340+273) = (1/√ 0,885) ∙ (0,0017 ∙ 6132 + 0,762 ∙ 613 - 334,25) = 820,27 /
Qc = 179,47 ∙ 0,063 ∙ 1041,23 + 179,47 ∙ (1- 0,063) ∙ 820,27= 149712,16
, , :
Q.. = G.. ∙ J50+273, (2.8)
G.. - , , /,
J50+273 - 50 , /.
, /
G. = R ∙ G.-85, (2.9)
R - , R = 2,
G.85-120 - , , /
G. = 2 ∙ 5.92 = 11,84 /
, /:
J(50+273) = (1/√ 0,726) ∙ (0,0017 ∙ 3232 + 0,762 ∙ 323 - 334,25) = 104,73/
Q.. = 11,84 ∙ 104,73= 1240,003
|
|
.. ,
/
/
/
/
/
/
/
/
..,;
, , :
ΣQ. =Q85-120+Q120-180+Q180-240+Q240-300+Q300-350 +Q+Q..+Q..+(2.10)
, ., :
(2.11)
Q.=4,8∙2670=12816 .
, , :
Q.2 = G.. ∙ , (2.12)
G.. - , /,
Jn120+273 - .
Q..2 =11,84∙568,02=6938,48 .
, 85-120, :
Q85-120. =5,92∙568,02=3469,24 .
, 120-180, :
Q120-180 = G120-180 ∙ (2.13)
Q120-180 = 19,74∙308,77=6095,12 .
, 180-240, :
Q180-240 = G180-240 ∙ , (2.14)
Q180-240 = 15,80∙452,24=7145,39 .
, 240-300, :
Q240-300 = G240-300 ∙ , (2.15)
Q240-300 = 23,70∙616,18=14603,47 .
, 300-350, :
Q300-350 = G300-350 ∙ , (2.16)
Q300-350 = 23,7∙765,69=18146,853 .
, , :
Q= G ∙ (2.17)
Q = 90,63∙868,36=78699,47 .
ΣQ =149712,16+1240,003+918,4+1363+1260+9585,3=164078,86
ΣQ. =3469,24+6095,12+7145,39+14603,47+18146,85+78699,46+12709,2+ 6938,48=147807,21.
, :
ΔQ = │Q. - Q. │, (2.18)
ΔQ =│164078,86 147807,21│= 16271,65
G..=16271,65/(452,24-300,84)=107,47 /
Q = Q . . (.. 9).
9-
|
|
G, / | , | JT, / | JnT, / | Q, | |
: - - - .. - ..1 - ..2 - ..3 - .. | 179,47 11,84 107,47 0,32 0,47 0,40 3,59 | 613 323 413 483 538 593 633 | 820,27 104,73 300,84 | 1041,23 2870 2900 3150 2670 | 1497712,16 1240,003 31368,59 918,4 1363 1260 9585,3 |
303,56 | 194217,45 | ||||
: - .. 85-120 º - .. 120-180 º - .. 180-240 º - .. 240-300 º - .. 300-350 º - - .. - - .. | 5,92 19,74 15,80 23,70 23,70 90,63 4,76 11,84 107,47 | 393 413 473 538 593 633 393 393 473 | 308,77 452,24 616,18 765,69 868,36 452,24 | 586,02 2670 586,02 | 3469,24 6095,12 7145,39 14603,47 18146,85 78699,46 12709,2 6938,48 46410,24 |
303,56 | 194217,45 |