Konstruksion va issiqlik izolyasion materiallarni issiqlik fizik xossalari.
Material
|
Zichligi, ρ kg/m3
|
Issiqlik o‘tkazuvchanlik koeffitsienti,
λ Vt/(m·K)
|
Asbest
|
5000
|
0,11 –0,15
|
Beton
|
2000-2400
|
1,18-1,80
|
Vermikulit
|
380
|
0,08 – 0,12
|
YOg‘och
|
300-900
|
0,10-0,23
|
G‘isht:
diamotli keramik (qizil)
shamot
|
550
1800
1850
|
0,113-0,125
0,77
0,84-01,2
|
Mineral vata
|
150-300
|
0,05
|
Penobeton
|
500
|
0,122
|
Penopolistirol
|
10-45
|
0,05
|
Penopoliuretan
|
20-80
|
0,036
|
SHisha tola
|
100-150
|
0,045-0,060
|
SHuvoq:
oxakli sementli
|
1600
1800
|
0,72
1,20
|
Issiqlik ta’minoti tizimlarida yoqig‘ini issiqlik energiyasiga o‘zgartirishning o‘rtacha foydali ish koeffitsientini hisobi
(kitob bo‘yicha: Isakovich G.A., Slutskiy YU.B.Ekonomiya toplivno-energeticheskix resursov v stroitelstve. -M.: Stroyizdat, 1988. — 214 s. (Ekonomiya topliva i elektroenergii).
Issiqlik manbai
|
Issiqlik
Generatorini FIKi
|
Taqsimot tarmog‘ining FIKi
|
Issiqlik ta’minoti tizimining
Umumiy FIKi
|
Umumiy issiqlik ta’minoti tizimida issiqlik manbaining ulushi, %
|
IEM
|
0,88
|
0,93
|
0,819
|
36
|
Yirik qozonxonalar
|
0,82
|
0,94
|
0,775
|
18
|
Kichik qozonxonalar
|
0,62
|
0,99
|
0,615
|
24
|
Kichik issiqlik qurilmalari
|
0,55
|
—
|
0,55
|
22
|
Eng ko‘p tarqalgan issiqlik tashuvchilarning issiqlik fizik xossalari jadvallari
Atmosfera bosimida havoning issiqlik fizik xossalari
t, °C
|
ρ, kg/m3
|
Cp, kDj/(kg·K)
|
λ·102, Vt/(m·K)
|
ν × 106, m2/s
|
Pr
|
0
|
1,293
|
1,005
|
2,44
|
13,28
|
0,707
|
20
|
1,205
|
1,005
|
2,59
|
15,06
|
0,703
|
40
|
1,128
|
1,005
|
2,76
|
16,96
|
0,699
|
60
|
1,060
|
1,005
|
2,90
|
18,97
|
0,696
|
80
|
1,000
|
1,009
|
3,05
|
21,09
|
0,692
|
100
|
0,946
|
1,009
|
3,21
|
23,13
|
0,688
|
120
|
0,898
|
1,009
|
3,34
|
25,45
|
0.686
|
140
|
0,854
|
1,013
|
3,48
|
27,80
|
0,684
|
160
|
0,815
|
1,017
|
3,64
|
30,09
|
0,682
|
180
|
0,779
|
1,022
|
3,77
|
32,49
|
0,681
|
200
|
0,746
|
1,026
|
3,87
|
34,85
|
0,680
|
250
|
0,674
|
1,038
|
4,27
|
40,61
|
0,677
|
300
|
0,615
|
1,047
|
4,61
|
48,33
|
0,674
|
Suvning to‘yinish chizig‘idagi issiqlik fizik xossalari
t, °C
|
p, MPa
|
ρ, kg/m3
|
Cp,
|
λ·102,
|
ν × 106,
|
r, kDj/kg
|
Pr
|
|
|
|
kDj/(kg·K)
|
Vt/(m·K)
|
m2/s
|
|
|
0
|
0,00061
|
999,9
|
4,212
|
55,1
|
1,789
|
2501
|
13,67
|
20
|
0,00234
|
998,2
|
4,183
|
60,0
|
1,006
|
2454
|
7,02
|
40
|
0,00737
|
992,2
|
4,174
|
63,5
|
0,659
|
2406
|
4,31
|
60
|
0,01990
|
983,2
|
4,178
|
66,0
|
0,478
|
2358
|
2,98
|
80
|
0,04740
|
971,8
|
4,195
|
67,6
|
0,366
|
2309
|
2,21
|
100
|
0,10130
|
968,4
|
4,220
|
68,3
|
0,291
|
2263
|
1,75
|
120
|
0,19850
|
943,1
|
4,250
|
68,7
|
0,252
|
2203
|
1,47
|
140
|
0,36140
|
926,1
|
4,287
|
68,6
|
0,216
|
2145
|
1,25
|
160
|
0,61800
|
907,4
|
4,346
|
68,4
|
0,191
|
2082
|
1,11
|
180
|
1,00300
|
886,9
|
4,417
|
67,6
|
0,173
|
2014
|
1,00
|
220
|
2,32000
|
840,3
|
4,614
|
64,6
|
0,148
|
1856
|
0,89
|
Suv bug‘ining to‘yinish chizig‘idagi issiqlik fizik xossalari
|
t, °C
|
p, MPa
|
ρ, kg/m3
|
Cp, kDj/(kg·K)
|
λ·102, Vt/(m·K)
|
ν × 106, m2/s
|
Pr
|
0
|
0,00061
|
0,0048
|
1,864
|
1,76
|
1667
|
0,85
|
20
|
0,00234
|
0,0173
|
1,874
|
1,88
|
511,6
|
0,88
|
40
|
0,00737
|
0,0512
|
1,894
|
2,01
|
188,7
|
0,91
|
60
|
0,0199
|
0,1302
|
1,924
|
2,16
|
80,45
|
0,94
|
80
|
0,0474
|
0,2930
|
1,969
|
2,31
|
45,39
|
0,96
|
100
|
0,1013
|
0,5980
|
2,035
|
2,35
|
20,02
|
0,99
|
120
|
0,1985
|
1,1210
|
2,216
|
2,60
|
11,46
|
1,09
|
140
|
0,3614
|
1,9660
|
2,315
|
2,79
|
6,89
|
1,12
|
160
|
0,618
|
3,2580
|
2,479
|
3,01
|
4,49
|
1,18
|
180
|
1,003
|
5,1570
|
2,709
|
3,27
|
2,93
|
1,25
|
200
|
1,555
|
7,8620
|
3,023
|
3,85
|
2,03
|
1,36
|
220
|
2,320
|
7,8610
|
3,408
|
3,90
|
1,45
|
1,47
|
240
|
3,348
|
16,760
|
3,881
|
4,29
|
1,06
|
1,61
|
To‘yingan suv bug‘ining xossalari (bosim bo‘yicha)
|
|
|
Suv bug‘ining solitirma hajmi
m3 /kg
|
Entalpiya
|
|
Mutloq bosim Kgs/sm2
|
to‘yinish harorati °S
|
Suvning kkal\kg
|
bug‘ning kkal\kg
|
Bug‘ hosil qilish issiqligikkal\kg
|
1,0
|
99,09
|
1,7250
|
99,19
|
638,8
|
539,60
|
1,1
|
101,76
|
1,5780
|
101,87
|
639,8
|
537,90
|
1,2
|
104,25
|
1,4550
|
104,38
|
640,7
|
536,30
|
1,3
|
106,56
|
1,3500
|
106,72
|
641,6
|
534,90
|
1,4
|
108,74
|
1,2590
|
108,92
|
642,3
|
533,40
|
1,5
|
110,79
|
1,1810
|
110,99
|
643,1
|
532,10
|
1,6
|
112,73
|
1,1110
|
112,95
|
643,8
|
530,80
|
1,7
|
114,57
|
1,0700
|
114,81
|
644,5
|
529,70
|
1,8
|
116,33
|
0,9954
|
116,60
|
645,1
|
528,50
|
1,9
|
118,01
|
0,9462
|
118,30
|
645,7
|
527,40
|
2,0
|
119,62
|
0,9018
|
119,94
|
646,3
|
526,40
|
3,0
|
132,88
|
0,6169
|
133,40
|
650,7
|
517,30
|
4,0
|
142,92
|
0,4709
|
143,70
|
653,9
|
510,20
|
5,0
|
151,11
|
0,3817
|
152,10
|
656,3
|
504,20
|
6,0
|
158,08
|
0,3214
|
159,30
|
658,3
|
498,20
|
7,0
|
164,17
|
0,2778
|
165,70
|
659,9
|
494,20
|
8,0
|
169,61
|
0,2448
|
171,40
|
661,2
|
489,80
|
9,0
|
174,53
|
0,2189
|
176,50
|
662,3
|
485,80
|
10,0
|
179,04
|
0,1980
|
181,30
|
663,3
|
482,10
|
11,0
|
183,20
|
0,1808
|
185,70
|
664,1
|
478,40
|
12,0
|
187,08
|
0,1663
|
189,80
|
664,9
|
475,10
|
13,0
|
190,71
|
0,1540
|
193,60
|
665,6
|
472,00
|
14,0
|
194,13
|
0,1434
|
197,30
|
666,2
|
468,20
|
15,0
|
197,40
|
0,1342
|
200,70
|
666,7
|
466,00
|
16,0
|
200,40
|
0,1261
|
204,12
|
667,1
|
463,10
|
18,0
|
206,10
|
0,1125
|
210,20
|
667,8
|
457,60
|
20,0
|
211,40
|
0,1015
|
215,90
|
668,5
|
452,60
|
22,0
|
216,20
|
0,0921
|
221,20
|
668,9
|
447,70
|
24,0
|
220,80
|
0,0849
|
226,20
|
669,2
|
443,00
|
26,0
|
225,00
|
0,0784
|
230,90
|
669,4
|
438,50
|
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