Property Tables for Carbon Dioxide Refrigerant (R744)

Superheated Vapor Properties

2MPa

(-19.5°C)

3MPa

(-5.55°C)

Temp

Specific Vol

Enthalpy

Entropy

Temp

Specific Vol

Enthalpy

Entropy

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

Sat.

0.019033

436.85

1.9461

Sat.

0.012207

433.61

 1.8754

-10

0.020507

448.58

1.9915

-10

0

0.021926

460.00

2.0341

0

0.012931

442.22

1.9072

10

0.023257

470.84

2.0731

10

0.014082

455.98

1.9567

20

0.024526

481.32

2.1095

20

0.015116

468.46

2.0001

30

0.025748

491.57

2.1438

30

0.016074

480.20

2.0395

40

0.026934

501.65

2.1766

40

0.01698

491.46

2.0760

50

0.028091

511.63

2.2079

50

0.017847

502.39

2.1104

60

0.029224

521.54

2.2381

60

0.018683

513.09

2.1430

70

0.030337

531.41

2.2673

70

0.019495

523.64

2.1742

80

0.031434

541.26

2.2956

80

0.020287

534.07

2.2041

90

0.032516

551.11

2.3231

90

0.021063

544.42

2.2330

100

0.033586

560.97

2.3499

100

0.021824

554.73

2.2610

110

0.034646

570.85

2.3760

110

0.022574

565.00

2.2882

120

0.035696

580.76

2.4015

120

0.023313

575.26

2.3146

130

0.036738

590.69

2.4265

130

0.024043

585.51

2.3404

140

0.037773

600.66

2.4509

140

0.024766

595.77

2.3655

150

0.038802

610.68

2.4749

150

0.025481

606.05

2.3901

160

0.039825

620.73

2.4984

160

0.026191

616.35

2.4142

170

0.040842

630.84

2.5214

170

0.026895

626.67

2.4377

4MPa

(5.30°C)

5MPa

(14.28°C)

Temp

Specific Vol

Enthalpy

Entropy

Temp

Specific Vol

Enthalpy

Entropy

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

Sat.

0.008640

427.25

1.8145

Sat.

0.006383

417.66

1.7544

10

0.009224

436.55

1.8477

10

20

0.010257

452.99

1.9047

20

0.007110

432.38

1.8051

30

0.011141

467.15

1.9523

30

0.008063

451.44

1.8691

40

0.011939

480.10

1.9943

40

0.008846

467.13

1.9200

50

0.012681

492.31

2.0327

50

0.009538

481.15

1.9641

60

0.013382

504.02

2.0684

60

0.010173

494.19

2.0039

70

0.014053

515.39

2.1020

70

0.010768

506.59

2.0405

80

0.014699

526.51

2.1339

80

0.011334

518.54

2.0749

90

0.015326

537.45

2.1645

90

0.011876

530.16

2.1073

100

0.015937

548.26

2.1939

100

0.012399

541.55

2.1383

110

0.016534

558.97

2.2222

110

0.012907

552.76

2.1679

120

0.017120

569.62

2.2496

120

0.013403

563.84

2.1965

130

0.017695

580.22

2.2763

130

0.013887

574.82

2.2240

140

0.018263

590.80

2.3022

140

0.014363

585.73

2.2508

150

0.018823

601.35

2.3274

150

0.014830

596.59

2.2767

160

0.019376

611.90

2.3521

160

0.015290

607.41

2.3020

170

0.019924

622.46

2.3762

170

0.015745

618.22

2.3267

6MPa

(21.98°C)

7MPa

(28.68°C)

Temp

Specific Vol

Enthalpy

Entropy

Temp

Specific Vol

Enthalpy

Entropy

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

deg. C

[m^3/kg]

[kJ/kg]

[kJ/kg K]

Sat.

0.004742

403.32

1.6862

Sat.

0.003289

376.91

1.5844

30

0.005833

430.71

1.7779

30

0.003752

392.71

1.6367

40

0.006700

451.72

1.8462

40

0.005050

432.12

1.7649

50

0.007396

468.57

1.8992

50

0.005814

453.99

1.8337

60

0.008006

483.44

1.9445

60

0.006430

471.53

1.8872

70

0.008561

497.16

1.9851

70

0.006969

486.98

1.9329

80

0.009079

510.11

2.0223

80

0.007459

501.18

1.9737

90

0.009569

522.55

2.0570

90

0.007916

514.57

2.0111

100

0.010037

534.60

2.0898

100

0.008347

527.38

2.0459

110

0.010488

546.36

2.1209

110

0.008759

539.77

2.0787

120

0.010924

557.92

2.1507

120

0.009155

551.85

2.1098

130

0.011349

569.31

2.1793

130

0.009537

563.70

2.1396

140

0.011764

580.59

2.2069

140

0.009909

575.36

2.1681

150

0.012170

591.77

2.2336

150

0.010272

586.88

2.1957

160

0.012569

602.88

2.2596

160

0.010627

598.30

2.2223

170

0.012961

613.94

2.2848

170

0.010976

609.63

2.2482