|cen84959_chi8-ap01.qxd 8/11/06 1121 PH Page 928 928 Thermodynamics TABLE A-11

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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Based table A-11 and table A-12, contruct P-v and T- v diagram for refrigerant-134a
cen84959_ch18-ap01.qxd 8/11/06 1:21 PM Page 928
928 I
Thermodynamics
TABLE A-11
Saturated refrigerant-134a-Temperature table
Specific volume,
m/kg
Internal energy,
kJ/kg
Enthalpy,
kJ/kg
Entropy,
k/kg - K
Sat.
St.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
liquid,
Evap.,
liquid,
S
Temp., press.,
vapor,
liquid, Evap., vapor, liquid, Evap., vapor,
vapor,
T°C P kPa v,
Up
-40
-38
-36
51.25
56.86
62.95
0.0007054 0.36081
0.0007083 0.32732
0.0007112 0.29751
-0.036 207.40 207.37
2.475 206.04 208.51
4.992 204.67 209.66
7.517 203.29 210.81 7.566 222.09 229.65 0.03199 0.92859 0.96058
10.05
0.000 225.86 225.86 0.00000 0.96866 0.96866
2.515 224.61 227.12 0.01072 0.95511 0.96584
5.037 223.35 228.39 0.02138 0.94176 0.96315
-34
-32
69.56
76.71
0.0007142 0.27090
0.0007172 0.24711
201.91 211.96 10.10 220.81 230.91 0.04253 0.91560 0.95813
-30
0.0007203 0.22580
0.0007234 0.20666
0.0007265 0.18946
0.0007297 0.17395 20.25
0.0007329 0.15995
84.43
12.59
15.13
17.69
200.52 213.11 12.65 219.52 232.17 0.05301 0.90278 0.95579
199.12
197.72 215.40 17.76 216.92 234.68 0.07382 0.87762 0.95144
-28 92.76
-26 101.73
-24 111.37
-22 121.72
214.25 15.20 218.22 233.43 0.06344 0.89012 0.95356
196.30 216.55 20.33 215.59 235.92 0.08414 0.86527 0.94941
194.88 217.70 22.91 214.26 s237.17 0.09441 0.85307 0.94748
22.82
-20 132.82
-18 144.69
-16 157.38
-14 170.93
-12 185.37
0.0007362 0.14729
0.0007396 0.13583
25.39
27.98
193.45 218.84 25.49 212.91 238.41 0.10463 0.84101 0.94564
192.01 219.98 28.09
211.55 239.64 0.11481 0.82908 0.94389
0.0007430 0.12542 30.57
0.0007464 0.11597
0.0007499 0.10736
190.56 221.13 30.69 210.18 240.87 0.12493 0.81729 0.94222
189.09 222.27 33.30 208.79 242.09 0.13501 0.80561 0.94063
33.17
35.78
187.62 223.40 35.92 207.38 243.30 0.14504 0.79406 0.93911
-10 200.74
-8 217.08
-6 234.44
-4 252.85
-2 272.36
0.0007535 0.099516 38.40
186.14 224.54 38.55 205.96 244.51 0.15504 0.78263 0.93766
184.64 225.67 41.19 204.52 245.72 0.16498 0.77130 0.93629
0.0007571 0.092352 41.03
0.0007608 0.085802 43.66
0.0007646 0.079804 46.31
0,0007684 0.074304 48.96
183.13 226.80 43.84 203.07 246.91 0.17489 0.76008 0.93497
181.61 227.92 46.50 201.60 248.10 0.18476 0.74896 0.93372
180.08 229.04 49.17 200.11 249.28 0.19459 0.73794 0.93253
O 293.01
0.0007723 0.069255 51.63
178.53 230.16 51.86 198.60 250.45 0.20439 0.72701 0.93139
176.97 231.27 54.55
175.39 232.38 57.25 195.51 252.77 0.22387 0.70540 0.92927
173.80 233.48 59.97 193.94 253.91 0.23356 0.69471 0.92828
197.07 251.61 0.21415 0.71616 0.93031
2 314.84
4 337.90
6 362.23
8 387.88
0.0007763 0.064612 54,30
0.0007804 0.060338 56,99
0.0007845 0.056398 59.68
0.0007887 0.052762 62.39
172.19 234.58 62.69 192.35 255.04 0.24323 0.68410 0.92733
170.56 235.67 65.43
168.92 236.75 68.18
167.26 237.83 70.95
165.58 238.90 73.73 185.73 259.46 0.28159 0.64230 0.92389
10 414.89
0.0007930 0.049403 65.10
190.73 256.16 0.25286 0.67356 0.92641
12 443.31
14 473.19
16 504.58
0.0007975 0.046295 67.83
0.0008020 0.043417 70.57
0.0008066 0.040748 73.32
0.0008113 0.038271 76.08
189.09 257.27 0.26246 0.66308 0.92554
187.42 258.37 0.27204 0.65266 0.92470
18 537.52
163.88 239.96 76.52 184.01 260.53 0.29112 0.63198 0.92310
Transcribed Image Text:cen84959_ch18-ap01.qxd 8/11/06 1:21 PM Page 928 928 I Thermodynamics TABLE A-11 Saturated refrigerant-134a-Temperature table Specific volume, m/kg Internal energy, kJ/kg Enthalpy, kJ/kg Entropy, k/kg - K Sat. St. Sat. Sat. Sat. Sat. Sat. Sat. Sat. liquid, Evap., liquid, S Temp., press., vapor, liquid, Evap., vapor, liquid, Evap., vapor, vapor, T°C P kPa v, Up -40 -38 -36 51.25 56.86 62.95 0.0007054 0.36081 0.0007083 0.32732 0.0007112 0.29751 -0.036 207.40 207.37 2.475 206.04 208.51 4.992 204.67 209.66 7.517 203.29 210.81 7.566 222.09 229.65 0.03199 0.92859 0.96058 10.05 0.000 225.86 225.86 0.00000 0.96866 0.96866 2.515 224.61 227.12 0.01072 0.95511 0.96584 5.037 223.35 228.39 0.02138 0.94176 0.96315 -34 -32 69.56 76.71 0.0007142 0.27090 0.0007172 0.24711 201.91 211.96 10.10 220.81 230.91 0.04253 0.91560 0.95813 -30 0.0007203 0.22580 0.0007234 0.20666 0.0007265 0.18946 0.0007297 0.17395 20.25 0.0007329 0.15995 84.43 12.59 15.13 17.69 200.52 213.11 12.65 219.52 232.17 0.05301 0.90278 0.95579 199.12 197.72 215.40 17.76 216.92 234.68 0.07382 0.87762 0.95144 -28 92.76 -26 101.73 -24 111.37 -22 121.72 214.25 15.20 218.22 233.43 0.06344 0.89012 0.95356 196.30 216.55 20.33 215.59 235.92 0.08414 0.86527 0.94941 194.88 217.70 22.91 214.26 s237.17 0.09441 0.85307 0.94748 22.82 -20 132.82 -18 144.69 -16 157.38 -14 170.93 -12 185.37 0.0007362 0.14729 0.0007396 0.13583 25.39 27.98 193.45 218.84 25.49 212.91 238.41 0.10463 0.84101 0.94564 192.01 219.98 28.09 211.55 239.64 0.11481 0.82908 0.94389 0.0007430 0.12542 30.57 0.0007464 0.11597 0.0007499 0.10736 190.56 221.13 30.69 210.18 240.87 0.12493 0.81729 0.94222 189.09 222.27 33.30 208.79 242.09 0.13501 0.80561 0.94063 33.17 35.78 187.62 223.40 35.92 207.38 243.30 0.14504 0.79406 0.93911 -10 200.74 -8 217.08 -6 234.44 -4 252.85 -2 272.36 0.0007535 0.099516 38.40 186.14 224.54 38.55 205.96 244.51 0.15504 0.78263 0.93766 184.64 225.67 41.19 204.52 245.72 0.16498 0.77130 0.93629 0.0007571 0.092352 41.03 0.0007608 0.085802 43.66 0.0007646 0.079804 46.31 0,0007684 0.074304 48.96 183.13 226.80 43.84 203.07 246.91 0.17489 0.76008 0.93497 181.61 227.92 46.50 201.60 248.10 0.18476 0.74896 0.93372 180.08 229.04 49.17 200.11 249.28 0.19459 0.73794 0.93253 O 293.01 0.0007723 0.069255 51.63 178.53 230.16 51.86 198.60 250.45 0.20439 0.72701 0.93139 176.97 231.27 54.55 175.39 232.38 57.25 195.51 252.77 0.22387 0.70540 0.92927 173.80 233.48 59.97 193.94 253.91 0.23356 0.69471 0.92828 197.07 251.61 0.21415 0.71616 0.93031 2 314.84 4 337.90 6 362.23 8 387.88 0.0007763 0.064612 54,30 0.0007804 0.060338 56,99 0.0007845 0.056398 59.68 0.0007887 0.052762 62.39 172.19 234.58 62.69 192.35 255.04 0.24323 0.68410 0.92733 170.56 235.67 65.43 168.92 236.75 68.18 167.26 237.83 70.95 165.58 238.90 73.73 185.73 259.46 0.28159 0.64230 0.92389 10 414.89 0.0007930 0.049403 65.10 190.73 256.16 0.25286 0.67356 0.92641 12 443.31 14 473.19 16 504.58 0.0007975 0.046295 67.83 0.0008020 0.043417 70.57 0.0008066 0.040748 73.32 0.0008113 0.038271 76.08 189.09 257.27 0.26246 0.66308 0.92554 187.42 258.37 0.27204 0.65266 0.92470 18 537.52 163.88 239.96 76.52 184.01 260.53 0.29112 0.63198 0.92310
TABLE A-12
Saturated refrigerant-134a-Pressure table
Specific volume,
m³/kg
Internal energy,
kJ/kg
Enthalpy,
kJ/kg
Entropy,
kJ/kg · K
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
liquid,
Press., temp.,
Tut °C V,
liquid, Evap., vapor,
Utg
liquid, Evap., vapor,
h,
vapor,
liquid,
Evap.,
vapor,
P КРа
hig
Sig
Sg
sat
60 -36.95 0.0007098 0.31121
3.798 205.32 209.12
3.841 223.95 227.79
0.01634 0.94807 0.96441
70 -33.87 0.0007144 0.26929
7.680 203.20 210.88
7.730 222.00 229.73
0.03267 0.92775 0.96042
80 -31.13 0.0007185 0.23753
11.15 201.30 212.46
11.21 220.25 231.46
0.04711
0.90999 0.95710
90
-28.65 0.0007223 0.21263
14.31
199.57 213.88
14.37 218.65 233.02
0.06008 0.89419 0.95427
100 -26.37 0.0007259 0.19254
17.21 197.98 215.19
17.28 217.16 234.44
0.07188 0.87995 0.95183
120 -22.32 0.0007324 0.16212
22.40 195.11 217.51
22.49 214.48 236.97
0.09275 0.85503 0.94779
140 -18.77 0.0007383 0.14014
26.98 192.57 219.54
27.08 212.08 239.16
0.11087 0.83368 0.94456
160 -15.60 0.0007437 0.12348
31.09 190.27 221.35
31.21 209.90 241.11
0.12693 0.81496 0.94190
180 -12.73 0.0007487 0.11041
34.83 188.16 222.99
34.97 207.90 242.86
0.14139 0.79826 0.93965
200 -10.09 0.0007533 0.099867
38.28 186.21 224.48
38.43
206.03 244.46
0.15457 0.78316 0.93773
240
-5.38 0.0007620 0.083897
44.48
182.67 227.14
44.66 202.62 247.28
0.17794 0.75664 0.93458
280
-1.25 0.0007699 0.072352
49.97 179.50 229.46
50.18 199.54 249.72
0.19829
0.73381 0.93210
320
2.46 0.0007772 0.063604
54.92 176.61 231.52
55.16 196.71 251.88
0.21637 0.71369 0.93006
360
5.82 0.0007841 0.056738
59.44 173.94 233.38
59.72 194.08 253.81
0.23270 0.69566 0.92836
400
8.91 0.0007907 0.051201
63.62 171.45 235.07
63.94
191.62 255.55
0.24761
0.67929 0.92691
450
12.46 0.0007985 0.045619
68.45 168.54 237.00
68.81
188.71 257.53
0.26465 0.66069 0.92535
500
15.71 0.0008059 0.041118
72.93 165.82 238.75
73.33 185.98 259.30
0.28023
0.64377 0.92400
550
18.73 0.0008130 0.037408
77.10 163.25 240.35
77.54
183.38 260.92
0.29461
0.62821 0.92282
600
21.55 0.0008199 0.034295
81.02 160.81 241.83
81.51
180.90 262.40
0.30799 0.61378 0.92177
650
24.20 0.0008266 0.031646
84.72 158.48 243.20
85.26
178.51 263.77
0.32051
0.60030 0.92081
700
26.69 0.0008331 0.029361
88.24 156.24 244.48
88.82
176.21 265.03
0.33230 0.58763 0.91994
750
29.06 0.0008395 0.027371
91.59 154.08 245.67
92.22
173.98 266.20
0.34345 0.57567 0.91912
800
31.31 0.0008458 0.025621
94.79 152.00 246.79
95.47
171.82 267.29
0.35404 0.56431 0.91835
850
33.45 0.0008520 0.024069
97.87 149.98 247.85
98.60 169.71 268.31
0.36413 0.55349 0.91762
900
950
35.51 0.0008580 0.022683 100.83 148.01 248.85 101.61
167.66 269.26
0.37377 0.54315 0.91692
37.48 0.0008641 0.021438 103.69 146.10 249.79 104.51
165.64 270.15
0.38301
0.53323 0.91624
1000
39.37 0.0008700 0.020313 106.45 144.23 250.68 107.32 163.67 270.99
0.39189 0.52368 0.91558
1200
46.29 0.0008934 0.016715 116.70 137.11 253.81 117.77
156.10 273.87
0.42441
0.48863 0.91303
1400
52.40 0.0009166 0.014107 125.94 130.43 256.37 127.22 148.90 276.12
0.45315 0.45734 0.91050
1600
57.88 0.0009400 0.012123 134.43 124.04 258.47 135.93
141.93 277.86
0.47911
0.42873 0.90784
1800
62.87 0.0009639 0.010559 142.33 117.83 260.17 144.07 135.11 279.17
0.50294 0.40204 0.90498
2000
67.45 0.0009886 0.009288 149.78 111.73 261.51 151.76 128.33 280.09
0.52509 0.37675 0.90184
2500
77.54 0.0010566 0.006936 166.99
96.47 263.45 169.63
111.16 280.79
0.57531
0.31695 0.89226
3000
86.16 0.0011406 0.005275 183.04
80.22 263.26 186.46
92.63 279.09
0.62118 0.25776 0.87894
Transcribed Image Text:TABLE A-12 Saturated refrigerant-134a-Pressure table Specific volume, m³/kg Internal energy, kJ/kg Enthalpy, kJ/kg Entropy, kJ/kg · K Sat. Sat. Sat. Sat. Sat. Sat. Sat. Sat. Sat. liquid, Press., temp., Tut °C V, liquid, Evap., vapor, Utg liquid, Evap., vapor, h, vapor, liquid, Evap., vapor, P КРа hig Sig Sg sat 60 -36.95 0.0007098 0.31121 3.798 205.32 209.12 3.841 223.95 227.79 0.01634 0.94807 0.96441 70 -33.87 0.0007144 0.26929 7.680 203.20 210.88 7.730 222.00 229.73 0.03267 0.92775 0.96042 80 -31.13 0.0007185 0.23753 11.15 201.30 212.46 11.21 220.25 231.46 0.04711 0.90999 0.95710 90 -28.65 0.0007223 0.21263 14.31 199.57 213.88 14.37 218.65 233.02 0.06008 0.89419 0.95427 100 -26.37 0.0007259 0.19254 17.21 197.98 215.19 17.28 217.16 234.44 0.07188 0.87995 0.95183 120 -22.32 0.0007324 0.16212 22.40 195.11 217.51 22.49 214.48 236.97 0.09275 0.85503 0.94779 140 -18.77 0.0007383 0.14014 26.98 192.57 219.54 27.08 212.08 239.16 0.11087 0.83368 0.94456 160 -15.60 0.0007437 0.12348 31.09 190.27 221.35 31.21 209.90 241.11 0.12693 0.81496 0.94190 180 -12.73 0.0007487 0.11041 34.83 188.16 222.99 34.97 207.90 242.86 0.14139 0.79826 0.93965 200 -10.09 0.0007533 0.099867 38.28 186.21 224.48 38.43 206.03 244.46 0.15457 0.78316 0.93773 240 -5.38 0.0007620 0.083897 44.48 182.67 227.14 44.66 202.62 247.28 0.17794 0.75664 0.93458 280 -1.25 0.0007699 0.072352 49.97 179.50 229.46 50.18 199.54 249.72 0.19829 0.73381 0.93210 320 2.46 0.0007772 0.063604 54.92 176.61 231.52 55.16 196.71 251.88 0.21637 0.71369 0.93006 360 5.82 0.0007841 0.056738 59.44 173.94 233.38 59.72 194.08 253.81 0.23270 0.69566 0.92836 400 8.91 0.0007907 0.051201 63.62 171.45 235.07 63.94 191.62 255.55 0.24761 0.67929 0.92691 450 12.46 0.0007985 0.045619 68.45 168.54 237.00 68.81 188.71 257.53 0.26465 0.66069 0.92535 500 15.71 0.0008059 0.041118 72.93 165.82 238.75 73.33 185.98 259.30 0.28023 0.64377 0.92400 550 18.73 0.0008130 0.037408 77.10 163.25 240.35 77.54 183.38 260.92 0.29461 0.62821 0.92282 600 21.55 0.0008199 0.034295 81.02 160.81 241.83 81.51 180.90 262.40 0.30799 0.61378 0.92177 650 24.20 0.0008266 0.031646 84.72 158.48 243.20 85.26 178.51 263.77 0.32051 0.60030 0.92081 700 26.69 0.0008331 0.029361 88.24 156.24 244.48 88.82 176.21 265.03 0.33230 0.58763 0.91994 750 29.06 0.0008395 0.027371 91.59 154.08 245.67 92.22 173.98 266.20 0.34345 0.57567 0.91912 800 31.31 0.0008458 0.025621 94.79 152.00 246.79 95.47 171.82 267.29 0.35404 0.56431 0.91835 850 33.45 0.0008520 0.024069 97.87 149.98 247.85 98.60 169.71 268.31 0.36413 0.55349 0.91762 900 950 35.51 0.0008580 0.022683 100.83 148.01 248.85 101.61 167.66 269.26 0.37377 0.54315 0.91692 37.48 0.0008641 0.021438 103.69 146.10 249.79 104.51 165.64 270.15 0.38301 0.53323 0.91624 1000 39.37 0.0008700 0.020313 106.45 144.23 250.68 107.32 163.67 270.99 0.39189 0.52368 0.91558 1200 46.29 0.0008934 0.016715 116.70 137.11 253.81 117.77 156.10 273.87 0.42441 0.48863 0.91303 1400 52.40 0.0009166 0.014107 125.94 130.43 256.37 127.22 148.90 276.12 0.45315 0.45734 0.91050 1600 57.88 0.0009400 0.012123 134.43 124.04 258.47 135.93 141.93 277.86 0.47911 0.42873 0.90784 1800 62.87 0.0009639 0.010559 142.33 117.83 260.17 144.07 135.11 279.17 0.50294 0.40204 0.90498 2000 67.45 0.0009886 0.009288 149.78 111.73 261.51 151.76 128.33 280.09 0.52509 0.37675 0.90184 2500 77.54 0.0010566 0.006936 166.99 96.47 263.45 169.63 111.16 280.79 0.57531 0.31695 0.89226 3000 86.16 0.0011406 0.005275 183.04 80.22 263.26 186.46 92.63 279.09 0.62118 0.25776 0.87894
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