Лабы / 03 / lab12

Њ®бЄў , Њ€ќ’, Є дҐ¤а  ‘Ђ“ Ё Љ.
Џ®­Ґ¤Ґ«м­ЁЄ, 23:10, 02.12.102.

ђҐЎ§гҐў Ђ Ђ€ќЊ-41
TҐЇ«®ў®© p бзҐв
Ў«®Є  б ҐбвҐб⢥­­л¬ ў®§¤ги­л¬ ®е« ¦¤Ґ­ЁҐ¬
€б室­лҐ ¤ ­­лҐ:
’ЁЇ Є®аЇгб  - ЈҐа¬ҐвЁз­л©
LЄ = 129.0 HЄ = 221.3 BЄ = 241.3 EЄ = 0.80
L§ = 78.0 H§ = 144.4 B§ = 220.0 E§ = 0.86
N¬ = 3 Њ®¤ = Ѓ S§в = 938.7 Vн« = 1809 б¬^3
t§ = 60.0 SЇв = 236.2
tc = 25.0 L,H,B (¬¬), t (C)
S (б¬^2), P (‚в)
ђҐ§г«мв вл а бзҐв :
PЄў = 6.491 P§ў = 7.535 S§ў = 657.2 UЇ = 0.046 ¬/б
PЄЈ = 2.822 P§Ј = 5.207 S§Ј = 281.5 L¬ = 22.9
PЄЁ = 12.61 P§Ё = 9.154 S§Ё = 623.8 tўле = 50.1
PЇ = 0.000 SЇ = 175.4 tЇ = 43.0
PЎ = 21.90 P§,г¤ = 0.023 ‚в/б¬^2
PЎ = 21.90 < 60‚в
2)

TҐЇ«®ў®© p бзҐв
Ў«®Є  б ҐбвҐб⢥­­л¬ ў®§¤ги­л¬ ®е« ¦¤Ґ­ЁҐ¬
€б室­лҐ ¤ ­­лҐ:
’ЁЇ Є®аЇгб  - ЇҐад®аЁа®ў ­­л©
LЄ = 129.0 HЄ = 221.3 BЄ = 241.3 EЄ = 0.80
L§ = 78.0 H§ = 144.4 B§ = 220.0 E§ = 0.86
N¬ = 3 Њ®¤ = Ѓ S§в = 938.7 Vн« = 1809 б¬^3
t§ = 60.0 Kд = 0.65 SЇв = 236.2
Hў = 221.0 Sў = 251.2
tc = 25.0 H­ = 0.0 S­ = 251.2 L,H,B (¬¬), t (C)
S (б¬^2), P (‚в)
ђҐ§г«мв вл а бзҐв :
PЄў = 6.491 P§ў = 7.535 S§ў = 657.2 UЇ = 0.279 ¬/б
PЄЈ = 2.822 P§Ј = 5.207 S§Ј = 281.5 L¬ = 22.9
PЄЁ = 12.61 P§Ё = 9.154 S§Ё = 623.8 tўле = 32.3
PЇ = 19.06 SЇ = 175.4 tЇ = 29.5
PЎ = 40.96 P§,г¤ = 0.044 ‚в/б¬^2 tЄ = 35.97

PЎ = 40.96 < 60 ‚в
3)

’ҐЇ«®ў®© а бзҐв
Ў«®Є  б ЇаЁ­г¤ЁвҐ«м­л¬ ў®§¤ги­л¬ ®е« ¦¤Ґ­ЁҐ¬

€б室­лҐ ¤ ­­лҐ: ђҐ§г«мв вл а бзҐв :
‚Ґ­вЁ«пжЁп ўлвп¦­ п PЎ = 481.4 ‚в
t§ = 60.0 C tўле = 38.4 C
Gў = 0.0330 ¬^3/б tc = 25.0 C tЇ = 31.4 C
SЇ = 423.9 б¬^2 lЇ = 242.3 ¬¬ UЇ = 0.762 ¬/б
Sў = 62.8 б¬^2 S§в = 938.7 б¬^2 P§г¤ = 0.513 ‚в/б¬^2
Pў = 21.0 ‚в S§Ї = 1294 б¬^2 RЇ = 74.43 Џ 
SЄ = 22
PЎ = 481.4 ‚в > 60 ўв