Carbon Dioxide Refrigerant (R744) - Transcritical Vapor Properties (8 MPa -13 MPa)
P = 8.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001107

220.04

1.0543

20

0.001208

246.91

1.1475

30

0.001425

284.04

1.2719

40

0.003599

402.90

1.6578

50

0.004562

436.37

1.7632

60

0.005219

458.13

1.8296

70

0.005760

475.93

1.8822

80

0.006237

491.69

1.9275

90

0.006672

506.21

1.9681

100

0.007078

519.90

2.0053

110

0.007462

532.99

2.0399

120

0.007828

545.65

2.0725

130

0.008180

557.98

2.1035

140

0.008521

570.06

2.1331

150

0.008852

581.95

2.1615

160

0.009174

593.68

2.1889

170

0.009489

605.29

2.2154

180

0.009799

616.82

2.2411

P = 9.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001096

218.97

1.0467

20

0.001186

244.58

1.1355

30

0.001344

276.32

1.2419

40

0.002060

343.78

1.4600

50

0.003509

413.81

1.6810

60

0.004248

442.78

1.7693

70

0.004807

463.86

1.8317

80

0.005280

481.59

1.8827

90

0.005703

497.46

1.9270

100

0.006092

512.15

1.9669

110

0.006455

526.02

2.0036

120

0.006798

539.32

2.0378

130

0.007127

552.17

2.0701

140

0.007443

564.70

2.1008

150

0.007749

576.97

2.1302

160

0.008046

589.03

2.1584

170

0.008336

600.94

2.1855

180

0.008619

612.73

2.2118

P = 10.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001086

218.06

1.0396

20

0.001168

242.70

1.1251

30

0.001296

271.62

1.2220

40

0.001591

313.04

1.3563

50

0.002602

384.07

1.5795

60

0.003449

425.02

1.7045

70

0.004036

450.65

1.7804

80

0.004513

470.85

1.8384

90

0.004928

488.31

1.8872

100

0.005303

504.14

1.9302

110

0.005651

518.88

1.9692

120

0.005977

532.86

2.0052

130

0.006287

546.28

2.0389

140

0.006584

559.28

2.0708

150

0.006870

571.95

2.1011

160

0.007147

584.37

2.1301

170

0.007416

596.58

2.1580

180

0.007679

608.64

2.1849

P = 11.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001078

217.26

1.0330

20

0.001152

241.14

1.1158

30

0.001263

268.21

1.2066

40

0.001463

302.38

1.3173

50

0.001990

354.37

1.4806

60

0.002795

404.93

1.6349

70

0.003405

436.31

1.7278

80

0.003886

459.49

1.7944

90

0.004296

478.80

1.8483

100

0.004661

495.90

1.8948

110

0.004996

511.59

1.9363

120

0.005308

526.31

1.9742

130

0.005603

540.32

2.0094

140

0.005884

553.82

2.0425

150

0.006154

566.91

2.0738

160

0.006414

579.69

2.1036

170

0.006667

592.21

2.1322

180

0.006912

604.55

2.1598

190

0.007152

616.72

2.1863

P = 12.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001069

216.57

1.0267

20

0.001139

239.82

1.1074

30

0.001236

265.57

1.1937

40

0.001393

296.06

1.2926

50

0.001710

336.41

1.4194

60

0.002302

384.62

1.5663

70

0.002892

421.19

1.6746

80

0.003370

447.64

1.7506

90

0.003774

468.98

1.8102

100

0.004131

487.47

1.8604

110

0.004455

504.18

1.9046

120

0.004755

519.68

1.9446

130

0.005037

534.32

1.9814

140

0.005304

548.33

2.0157

150

0.005560

561.86

2.0480

160

0.005807

575.00

2.0788

170

0.006045

587.86

2.1081

180

0.006276

600.47

2.1362

190

0.006502

612.90

2.1634

P=13.0 MPa
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

10

0.001062

215.97

1.0208

20

0.001127

238.68

1.0996

30

0.001215

263.41

1.1826

40

0.001346

291.61

1.2741

50

0.001572

326.00

1.3821

60

0.001979

367.69

1.5091

70

0.002489

406.21

1.6231

80

0.002948

435.59

1.7075

90

0.003342

459.00

1.7729

100

0.003689

478.93

1.8271

110

0.004003

496.70

1.8741

120

0.004292

513.01

1.9161

130

0.004562

528.30

1.9545

140

0.004818

542.84

1.9902

150

0.005062

556.81

2.0236

160

0.005296

570.33

2.0552

170

0.005522

583.51

2.0853

180

0.005741

596.42

2.1140

190

0.005954

609.09

2.1417

Source of data: NIST Chemistry WebBook - accessed March 2007

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