THERMODYNAMIC PROPERTIES OF WATER

 

 

WARNING - These values are typical and may contain errors. You should check values with official data bases if you are using them for design purposes. 

 

 

 

TABLE FOR THE SPECIFIC ENTHALPY OF  WATER

 All enthalpy values are given in kJ/kg rounded off to the nearest whole number. 

 

TEMPERATURE

oC

PRESSURE IN bar

0

25

50

75

100

125

150

175

200

221

250

0

 0

2.5

5

7.5

10

12.6

15

17.5

20

22

25

20

84

86

87

91

93

96

98

100

103

105

107

40

168

170

 172 174 176 179 181 183 185

187

 190

60

251

253

255

257

259

262

264

266

268

270

272

80

335

337

339

341

343

345

347

349

351

 352

355

100

419

421

423

425

427

428

430

432

434

436

 439

120

504

505

507

509

511

512

514

516

518

519

521

140

589

 591

592

594

595

597

599

600

602

603

605

160

675

677

678

680

681

683

684

686

687

688

690

180

763

764

765

767

767

769

790

772

 773

774

776

200

 852

853

854

855

856

857

858

859

861

862

863

 

 

MORE PROPERTIES OF HIGH PRESSURE WATER

 

h - Specific Enthalpy  kJ/kg    v - Specific Volume  m3/kg   s - Specific Entropy kJ/kg K

 

TEMPERATURE

oC

PRESSURE IN bar

100 (ts = 311oC)

221.2 (ts = 374.15oC)

500

1000
v h s v h s v h s v h s

0.01

 1  x 10-3 10 0 0.995 x 10-3 22 -1 x 10-3 0.989  x 10-3 49 0 0.977  x 10-3 96 -7 x 10-3

100

 1.038  x 10-3 426 1.299 1.032 x 10-3 436 1.29 1.002  x 10-3 457 1.27 1.000  x 10-3 495 1.237

200

 1.148  x 10-3 856 2.318 1.137 x 10-3 861 2.300 1.115  x 10-3 875 2.263 1.082  x 10-3 903 2.207

250

 1.240  x 10-3 1086 2.779 1.222 x 10-3 1087 2.753 1.187  x 10-3 1094 2.702 1.140  x 10-3 1114 2.629
300 1.397  x 10-3 1343 3.248 1.353 x 10-3 1333 3.202 1.287  x 10-3 1324 3.121 1.213  x 10-3 1328 3.02
350       1.634  x 10-3 1637 3.768 1.443  x 10-3 1577 3.544 1.314  x 10-3 1552 3.394

374.15

       3.17  x 10-3 2084 4.430 1.56  x 10-3 1715 3.760 1.37  x 10-3 1669 3.577