Throttle [Ideal Vapor compression Refrigeration? The amonia leaving Condenser is under cooled by 2K Condenser 900kpq 120 кра Evaporati We = 5083148KW 2 9 Compressor Ammonia appendix [Draw T-S diagram 30 [Calculate all the enthalpies] Properties of Ammonia ка kross SI edition Thermodynamics For engineers

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Please calculate enthalpies and the heat of a condenser and evaporator. Thank you
Throttle
[Ideal Vapor compression
The amonia leaving condenser is
under cooled
by 2K
3
Condenser
900Kpq
120 кра
Evaporator
2
q
Refrigeration?
Compressor
We = 5083,48KW
[Draw
T-S diagram 30
[Calculate all the enthalpies]
Properties of Ammonia
ка kross
SI edition
Thermodynamics
For engineers
Ammonia
appendix
Transcribed Image Text:Throttle [Ideal Vapor compression The amonia leaving condenser is under cooled by 2K 3 Condenser 900Kpq 120 кра Evaporator 2 q Refrigeration? Compressor We = 5083,48KW [Draw T-S diagram 30 [Calculate all the enthalpies] Properties of Ammonia ка kross SI edition Thermodynamics For engineers Ammonia appendix
4Mpq
600%
4
(S
T =
Pumi
(
7=;
= 2
= 28
= 30
Table E-l Saturated Ammonia
Specific volume
m³/kg
E Properties of Ammont
T, "C
-50
-46
-44
-42
-40
-38
Enthalpy
kJ/kg
"
P, kPa
24
40.88 0.001424
51.55 0.001434
57.69 0.001439
64.42
71.77 0.001449
0.001444
-36
79.80 0.001454
0.001460
0.001465
88.54
-34
98,05
108.37
-32
0.001470
-30 119/55
0.001476
-28 131.64 0.001481
0.8059
To
h, h
2.6254 -44.3 1416.7 1372.4
2.1140 -26.6 1405.8 1379.2
1.9032 -17.8 1400.3 1382.5
1.7170 -8.9 1394.7 1385.8
1.5521
0,0 1389.0 1389.0
1.4085
8,9 1383.3 1392.2
1.2757 17.8 1377.6 1395.4
1.1597 26.8 1371,8 1398.5
1.0562
35.7
1365.9 1401.6
0.9635 44.7 1360.0 1404.6
0.8805
53.6
1354.0 1407.6
62.6
1347.9 1410.5 0.2605
0.7388 71.6 1341.8 1413.4
0.6783 80,7
0.6237 89,7
18 207.71 0.001510 0.5743 98.8
-16 226,45 0,001515 0.5296 107.8
-14 246.51 0.001521 0,4889 116.9 1310.0 1427,0
-12 267.95 0.001528 0.4520 126.0 1303.5 1429,5
-10 290.85 0.001534 0.4185 135.2 1296.8 1432.0
-8 315.25 0.001540 0.3878 144,3 1290,1 1434,4
-6 341.25 0.001546 0.3599 153.5
1283.3 1436.8
-4 368.90 0.001553 0.3343 162.7
-2 398.27
0,001559 0.3109 171.9
0 429.44 0.001566
2 462.49 0.001573
4 497 49 0.001580
-26 144.70
-24
158.78
-22 173,93
0.001487
0.001492
0.001498
0.001504-
1335.6 1416.2
0.2967
0.3327
0,3684
-20 190.22
(1329.3 1419.0
0.4040
1322,9 1421.7
1315.5 1424.4
0.4393
1276.4 1439.1
1259.4 1441.3
6
8
218.3 1233.2 1451.5
0.2895 181.1 1252.4 1443.5
0.2698 190.4
1255.2 1445,6
T
0.2517
199.6
1248.0
1447.6
0.2351 208.9 1240.6 1449.6
0.2198
0.2056
0.1926
0 T805
0.1693
0.1590 265.4
0.1494 274.9
534,51 0.001587
573,64 0.001594
10 614.95 0.001601
12 658.52 0,001608
14 704,44 0.001616
16 752.79 0.001623
18 803.66 0.001631
20 857.12 0.001639
227.6 1225.7 1453.3
237.0 1218.1
246.4 1210.4
1455.1
1456.8
255.9 1202.6 1458.5
1194,7 1460.0
1186.7 1461.5
12860 AppE ptg01 INDD 545
S₁
-0.1942
-0.1156
-0.0768
-0,0382
0,0000
0,0380
0.0757
0.1132
0.1504
0.1873
0.4744
0.5093
0.5440
0.5785
5,8840
5.8101
5.7372
5.6652
5.5942
0.2240 5.5241
5.4548
5.3864
5.3188
5,2520
0.6128
0.6469
0,6808
0.7145
0.7481
0.7815
0.8148
0.8479
0.8808
0.9136
0.9463
0.9788
1.0112
1.0434
290 300
Entropy
kJ/kg.K
upiniping
519
6.3502
6.1902
6.1120
6.0349
5,9589
5.1860
5.1207
5.0561
4.9922
4.9290
4.8664
59
6.1561
6,0746
6,0352
5.9967
5.9589
5.9220
5.8858
5,8504
5:8156
5.7815
5.7481
5.7153
5.6831
5.6515
5.6205
5,5900
5.5600
5,5305
5.5015
5.4730
5.4449
5.4173
5.3901
5.3633
5.3369
4.8045
4.7432
4.6825
4.6223
4.5627
4.5037
4.4451
5.2599
4.3871
5.2350
4.3295 5.2104
4.2725
5.1861
42159
4.1597
4.1039
4.0486
5.3108
5.2852
5.1385
5.1151
5.0920
(Continued)
08/10/13 3:52 PM
40 150 1
Transcribed Image Text:4Mpq 600% 4 (S T = Pumi ( 7=; = 2 = 28 = 30 Table E-l Saturated Ammonia Specific volume m³/kg E Properties of Ammont T, "C -50 -46 -44 -42 -40 -38 Enthalpy kJ/kg " P, kPa 24 40.88 0.001424 51.55 0.001434 57.69 0.001439 64.42 71.77 0.001449 0.001444 -36 79.80 0.001454 0.001460 0.001465 88.54 -34 98,05 108.37 -32 0.001470 -30 119/55 0.001476 -28 131.64 0.001481 0.8059 To h, h 2.6254 -44.3 1416.7 1372.4 2.1140 -26.6 1405.8 1379.2 1.9032 -17.8 1400.3 1382.5 1.7170 -8.9 1394.7 1385.8 1.5521 0,0 1389.0 1389.0 1.4085 8,9 1383.3 1392.2 1.2757 17.8 1377.6 1395.4 1.1597 26.8 1371,8 1398.5 1.0562 35.7 1365.9 1401.6 0.9635 44.7 1360.0 1404.6 0.8805 53.6 1354.0 1407.6 62.6 1347.9 1410.5 0.2605 0.7388 71.6 1341.8 1413.4 0.6783 80,7 0.6237 89,7 18 207.71 0.001510 0.5743 98.8 -16 226,45 0,001515 0.5296 107.8 -14 246.51 0.001521 0,4889 116.9 1310.0 1427,0 -12 267.95 0.001528 0.4520 126.0 1303.5 1429,5 -10 290.85 0.001534 0.4185 135.2 1296.8 1432.0 -8 315.25 0.001540 0.3878 144,3 1290,1 1434,4 -6 341.25 0.001546 0.3599 153.5 1283.3 1436.8 -4 368.90 0.001553 0.3343 162.7 -2 398.27 0,001559 0.3109 171.9 0 429.44 0.001566 2 462.49 0.001573 4 497 49 0.001580 -26 144.70 -24 158.78 -22 173,93 0.001487 0.001492 0.001498 0.001504- 1335.6 1416.2 0.2967 0.3327 0,3684 -20 190.22 (1329.3 1419.0 0.4040 1322,9 1421.7 1315.5 1424.4 0.4393 1276.4 1439.1 1259.4 1441.3 6 8 218.3 1233.2 1451.5 0.2895 181.1 1252.4 1443.5 0.2698 190.4 1255.2 1445,6 T 0.2517 199.6 1248.0 1447.6 0.2351 208.9 1240.6 1449.6 0.2198 0.2056 0.1926 0 T805 0.1693 0.1590 265.4 0.1494 274.9 534,51 0.001587 573,64 0.001594 10 614.95 0.001601 12 658.52 0,001608 14 704,44 0.001616 16 752.79 0.001623 18 803.66 0.001631 20 857.12 0.001639 227.6 1225.7 1453.3 237.0 1218.1 246.4 1210.4 1455.1 1456.8 255.9 1202.6 1458.5 1194,7 1460.0 1186.7 1461.5 12860 AppE ptg01 INDD 545 S₁ -0.1942 -0.1156 -0.0768 -0,0382 0,0000 0,0380 0.0757 0.1132 0.1504 0.1873 0.4744 0.5093 0.5440 0.5785 5,8840 5.8101 5.7372 5.6652 5.5942 0.2240 5.5241 5.4548 5.3864 5.3188 5,2520 0.6128 0.6469 0,6808 0.7145 0.7481 0.7815 0.8148 0.8479 0.8808 0.9136 0.9463 0.9788 1.0112 1.0434 290 300 Entropy kJ/kg.K upiniping 519 6.3502 6.1902 6.1120 6.0349 5,9589 5.1860 5.1207 5.0561 4.9922 4.9290 4.8664 59 6.1561 6,0746 6,0352 5.9967 5.9589 5.9220 5.8858 5,8504 5:8156 5.7815 5.7481 5.7153 5.6831 5.6515 5.6205 5,5900 5.5600 5,5305 5.5015 5.4730 5.4449 5.4173 5.3901 5.3633 5.3369 4.8045 4.7432 4.6825 4.6223 4.5627 4.5037 4.4451 5.2599 4.3871 5.2350 4.3295 5.2104 4.2725 5.1861 42159 4.1597 4.1039 4.0486 5.3108 5.2852 5.1385 5.1151 5.0920 (Continued) 08/10/13 3:52 PM 40 150 1
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