30079_39b.pdf

Fig. 39.4 Compressibility factor of Refrigerant 134a.

Fig. 39.5 Enthalpy-log pressure diagram for Refrigerant 134a.

Table 39.16 Thermodynamic Properties of Saturated Sodium3

T(K)

P (bar)

°Pf

°pa

380

400

420

440

460

480

500

550

600

650

700

750

800

850

900

1000

1200

1400

1600

1800

2000

2200

2400

2500

av = specific volume (m3/kg); h = specific enthalpy (MJ/kg); s = specific entropy (kJ/kg • K); cp = specific heat at constant pressure (kJ/kg • K); / = saturated liquid; g =

saturated vapor. Converted from the tables of J. K. Fink, Argonne Nat. Lab. rept. ANL-CEN-RSD-82-4, 1982.

*The notation 2.55.- 10 signifies 2.55 X 10~10.

2.55. -10*

1.36.-9

6.16.-9

2.43. -8

8.49. -8

2.67.-7

7.64. -7

7.54.-6

5.05.-5

2.51. -4

9.87-4

0.00322

0.00904

0.02241

0.05010

0.1955

1.482

6.203

17.98

40.87

78.51

133.5

207.6

251.9

.081. -3

.086. -3

.092. -3

.097. -3

.103.-3

.109.-3

.114.-3

.129.-3

.145.-3

.160.-3

.177.-3

.194.-3

.211. -3

.229. -3

.247.-3

.2S9.-3

.372.-3

.469.-3

.581. -3

.709. -3

1.864.-3

2.076.-3

2.480. -3

3.323.-3

5.277.+9

2.173.+9

2.410.+8

6.39S.+7

1.912.+7

6.341. +6

2.304.+6

2.55S.+5

41511

9001

2449

794

301

128.1

60.17

16.84

2.571

0.688

0.258

0.120

0.0634

0.0362

0.0196

0.0100

0.219

0.247

0.274

0.301

0.328

0.355

0.382

0.448

0.513

0.578

0.642

0.705

0.769

0.832

0.895

1.021

1.274

1.535

1.809

2.102

2.422

2.794

3.299

3.850

4.723

4.740

4.757

4.773

4.790

4.806

4.820

4.856

4.887

4.915

4.939

4.959

4.978

4.995

5.011

5.043

5.109

5.175

5.225

5.255

5.256

5.207

5.025

4.633

2.853

2.924

2.991

3.054

3.114

3.171

3.226

3.352

3.465

3.569

3.664

3.752

3.834

3.910

3.982

4.115

4.346

4.546

4.728

4.898

5.064

5.235

5.447

5.666

14.705

14.158

13.665

13.219

12.814

12.443

12.104

11.367

10.756

10.241

9.802

9.424

9.095

8.808

8.556

8.137

7.542

7.146

6.863

6.649

6.480

6.332

6.166

5.980

1.384

1.374

1.364

1.355

1.346

1.338

1.330

1.313

1.299

1.287

1.278

1.270

1.264

1.260

1.258

1.259

1.281

1.330

1.406

1.516

1.702

2.101

3.686

0.988

1.023

1.066

1.117

1.176

1.243

1.317

1.523

1.745

1.963

2.160

2.325

2.452

2.542

2.597

2.624

2.515

2.391

2.301

2.261

2.482

3.307

8.476

Table 39.17 Thermodynamic Properties of Ice/ Water8

T P v h s cp

(K) (bar) (rrvVkg) (kJ/kg) (kJ/kg-K) (kJ/kg-K)

150 6.30.- IP 0.001073 94.7 1.328 1.224

160 7.72.- 10 0.001074 107.3 1.409 1.291

170 7.29.-Q 0.001076 120.6 1.489 1.357

180 5.3S.-8 0.001077 134.5 1.569 .426

190 3.23. -7 0.001078 149.1 1.648 .495

200 1.62. -6 0.001079 164.4 1.726 .566

210 7.01. -6 0.001081 180.4 1.805 .638

220 2.65.-S 0.001082 197.1 1.882 .711

230 8.91. -5 0.001084 214.6 1.960 .785

240 2.73. -4 0.001085 232.8 2.038 1.860

250 7.59. -4 0.001087 251.8 2.115 1.936

260 0.00196 0.001088 271.5 2.192 2.013

270 0.00469 0.001090 292.0 2.270 2.091

273.15 0.00611 0.001091 298.7 2.294 2.116

273.15 0.00611 0.001000 632.2 3.515 4.217

280 0.00990 0.001000 661.0 3.619 4.198

290 0.01917 0.001001 702.9 3.766 4.184

300 0.03531 0.001003 744.7 3.908 4.179

av = specific volume; h = specific enthalpy; s = specific entropy; cp = specific heat at

constant pressure. Ice values (T ^ 273.15 K) converted and rounded off from S. Gordon,

NASA Tech. Paper 1906, 1982.

*The notation 6.30.- 11 signifies 6.30 X 10~n.

Table 39.18 Thermophysical Properties of Saturated Steam /Water8

P T

(bar) (K) vf vg hf hg rjg \f Ag Pi> Prg

1.0 372.78 1.0434. -3* 1.6937 417.5 2675.4 0.1202 0.6805 0.0244 .735 .009

1.5 384.52 1.0530.-3 1.1590 467.1 2693.4 0.1247 0.6847 0.0259 .538 .000

2.0 393.38 1.0608.-3 0.8854 504.7 2706.3 0.1280 0.6866 0.0268 .419 .013

2.5 400.58 1.0676.-3 0.7184 535.3 2716.4 0.1307 0.6876 0.0275 .335 .027

3.0 406.69 1.0735. -3 0.6056 561.4 2724.7 0.1329 0.6879 0.0281 .273 .040

3.5 412.02 1.0789.-3 0.5240 584.3 2731.6 0.1349 0.6878 0.0287 .224 .050

4.0 416.77 1.0839.-3 0.4622 604.7 2737.6 0.1367 0.6875 0.0293 .185 .057

4.5 421.07 1.0885.-3 0.4138 623.2 2742.9 0.1382 0.6869 0.0298 .152 .066

5 424.99 1.0928. -3 0.3747 640.1 2747.5 0.1396 0.6863 0.0303 .124 .073

6 432.00 1.1009.-3 0.3155 670.4 2755.5 0.1421 0.6847 0.0311 .079 .091

7 438.11 1.1082.-3 0.2727 697.1 2762.0 0.1443 0.6828 0.0319 .044 .105

8 445.57 1.1150.-3 0.2403 720.9 2767.5 0.1462 0.6809 0.0327 .016 .115

9 448.51 1.1214.-3 0.2148 742.6 2772.1 0.1479 0.6788 0.0334 0.992 .127

10 453.03 1.1274.-3 0.1943 762.6 2776.1 0.1495 0.6767 0.0341 0.973 .137

12 461.11 1.1386.-3 0.1632 798.4 2782.7 0.1523 0.6723 0.0354 0.943 .156

14 468.19 1.1489.-3 0.1407 830.1 2787.8 0.1548 0.6680 0.0366 0.920 .175

16 474.52 1.1586.-3 0.1237 858.6 2791.8 0.1569 0.6636 0.0377 0.902 .191

18 480.26 1.1678.-3 0.1103 884.6 2794.8 0.1589 0.6593 0.0388 0.889 .206

20 485.53 1.1766.-3 0.0995 908.6 2797.2 0.1608 0.6550 0.0399 0.877 .229

25 497.09 1.1972.-3 0.0799 962.0 2800.9 0.1648 0.6447 0.0424 0.859 .251

30 506.99 1.2163.-3 0.0666 1008.4 2802.3 0.1684 0.6347 0.0449 0.849 .278

35 515.69 1.2345.-3 0.0570 1049.8 2802.0 0.1716 0.6250 0.0472 0.845 .306

40 523.48 1.2521. -3 0.0497 1087.4 2800.3 0.1746 0.6158 0.0496 0.845 .331

45 530.56 1.2691. -3 0.0440 1122.1 2797.7 0.1775 0.6068 0.0519 0.849 .358

50 537.06 1.2858.-3 0.0394 1154.5 2794.2 0.1802 0.5981 0.0542 0.855 .386

60 548.70 1.3187.-3 0.0324 1213.7 2785.0 0.1854 0.5813 0.0589 0.874 .442

70 558.94 1.3515.-3 0.0274 1267.4 2773.5 0.1904 0.5653 0.0638 0.901 .503

80 568.12 1.3843.-3 0.0235 1317.1 2759.9 0.1954 0.5499 0.0688 0.936 .573

90 576.46 1.4179.-3 0.0205 1363.7 2744.6 0.2005 0.5352 0.0741 0.978 1.651

100 584.11 1.4526.-3 0.0180 1408.0 2727.7 0.2057 0.5209 0.0798 1.029 1.737

110 591.20 1.4887.-3 0.0160 1450.6 2709.3 0.2110 0.5071 0.0859 .090 1.837

120 597.80 1.5268.-3 0.0143 1491.8 2689.2 0.2166 0.4936 0.0925 .163 1.963

130 603.98 1.5672.-3 0.0128 1532.0 2667.0 0.2224 0.4806 0.0998 .252 2.126

140 609.79 1.6106.-3 0.0115 1571.6 2642.4 0.2286 0.4678 0.1080 .362 2.343

150 615.28 1.6579.-3 0.0103 1611.0 2615.0 0.2373 0.4554 0.1172 .502 2.571

160 620.48 1.7103. -3 0.0093 1650.5 2584.9 0.2497 0.4433 0.1280 1.688 3.041

170 625.41 1.7696.-3 0.0084 1691.7 2551.6 0.2627 0.4315 0.1404 2.098 3.344

180 630.11 1.8399.-3 0.0075 1734.8 2513.9 0.2766 0.4200 0.1557 2.360 3.807

190 634.58 1.9260.-3 0.0067 1778.7 2470.6 0.2920 0.4087 0.1749 2.951 8.021

200 638.85 2.0370.-3 0.0059 1826.5 2410.4 0.3094 0.3976 0.2007 4.202 12.16

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