Carbon Dioxide Refrigerant (R744) - Superheated Vapor Properties (2 MPa -7 MPa)
    P = 2.0 MPa (-19.5°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.019033

    436.85

    1.9461

    -10

    0.020507

    448.58

    1.9915

    0

    0.021926

    460.00

    2.0341

    10

    0.023257

    470.84

    2.0731

    20

    0.024526

    481.32

    2.1095

    30

    0.025748

    491.57

    2.1438

    40

    0.026934

    501.65

    2.1766

    50

    0.028091

    511.63

    2.2079

    60

    0.029224

    521.54

    2.2381

    70

    0.030337

    531.41

    2.2673

    80

    0.031434

    541.26

    2.2956

    90

    0.032516

    551.11

    2.3231

    100

    0.033586

    560.97

    2.3499

    110

    0.034646

    570.85

    2.3760

    120

    0.035696

    580.76

    2.4015

    130

    0.036738

    590.69

    2.4265

    140

    0.037773

    600.66

    2.4509

    150

    0.038802

    610.68

    2.4749

    160

    0.039825

    620.73

    2.4984

    170

    0.040842

    630.84

    2.5214
    P = 3.0 MPa (-5.55°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.012207

    433.61

    1.8754

    0

    0.012931

    442.22

    1.9072

    10

    0.014082

    455.98

    1.9567

    20

    0.015116

    468.46

    2.0001

    30

    0.016074

    480.20

    2.0395

    40

    0.01698

    491.46

    2.0760

    50

    0.017847

    502.39

    2.1104

    60

    0.018683

    513.09

    2.1430

    70

    0.019495

    523.64

    2.1742

    80

    0.020287

    534.07

    2.2041

    90

    0.021063

    544.42

    2.2330

    100

    0.021824

    554.73

    2.2610

    110

    0.022574

    565.00

    2.2882

    120

    0.023313

    575.26

    2.3146

    130

    0.024043

    585.51

    2.3404

    140

    0.024766

    595.77

    2.3655

    150

    0.025481

    606.05

    2.3901

    160

    0.026191

    616.35

    2.4142

    170

    0.026895

    626.67

    2.4377
    P = 4.0 MPa (5.3°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.008640

    427.25

    1.8145

    10

    0.009224

    436.55

    1.8477

    20

    0.010257

    452.99

    1.9047

    30

    0.011141

    467.15

    1.9523

    40

    0.011939

    480.10

    1.9943

    50

    0.012681

    492.31

    2.0327

    60

    0.013382

    504.02

    2.0684

    70

    0.014053

    515.39

    2.1020

    80

    0.014699

    526.51

    2.1339

    90

    0.015326

    537.45

    2.1645

    100

    0.015937

    548.26

    2.1939

    110

    0.016534

    558.97

    2.2222

    120

    0.017120

    569.62

    2.2496

    130

    0.017695

    580.22

    2.2763

    140

    0.018263

    590.80

    2.3022

    150

    0.018823

    601.35

    2.3274

    160

    0.019376

    611.90

    2.3521

    170

    0.019924

    622.46

    2.3762

    P = 5.0 MPa (14.3°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.006383

    417.66

    1.7544

    20

    0.007110

    432.38

    1.8051

    30

    0.008063

    451.44

    1.8691

    40

    0.008846

    467.13

    1.9200

    50

    0.009538

    481.15

    1.9641

    60

    0.010173

    494.19

    2.0039

    70

    0.010768

    506.59

    2.0405

    80

    0.011334

    518.54

    2.0749

    90

    0.011876

    530.16

    2.1073

    100

    0.012399

    541.55

    2.1383

    110

    0.012907

    552.76

    2.1679

    120

    0.013403

    563.84

    2.1965

    130

    0.013887

    574.82

    2.2240

    140

    0.014363

    585.73

    2.2508

    150

    0.014830

    596.59

    2.2767

    160

    0.015290

    607.41

    2.3020

    170

    0.015745

    618.22

    2.3267
    P = 6.0 MPa (22.0°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.004742

    403.32

    1.6862

    30

    0.005833

    430.71

    1.7779

    40

    0.006700

    451.72

    1.8462

    50

    0.007396

    468.57

    1.8992

    60

    0.008006

    483.44

    1.9445

    70

    0.008561

    497.16

    1.9851

    80

    0.009079

    510.11

    2.0223

    90

    0.009569

    522.55

    2.0570

    100

    0.010037

    534.60

    2.0898

    110

    0.010488

    546.36

    2.1209

    120

    0.010924

    557.92

    2.1507

    130

    0.011349

    569.31

    2.1793

    140

    0.011764

    580.59

    2.2069

    150

    0.012170

    591.77

    2.2336

    160

    0.012569

    602.88

    2.2596

    170

    0.012961

    613.94

    2.2848
    P=7.0 MPa (28.7°C)
    Temp
    volume
    enthalpy
    entropy
    °C
    v(m^3/kg)
    h(kJ/kg)
    s(kJ/kg.K)

    Sat.

    0.003289

    376.91

    1.5844

    30

    0.003752

    392.71

    1.6367

    40

    0.005050

    432.12

    1.7649

    50

    0.005814

    453.99

    1.8337

    60

    0.006430

    471.53

    1.8872

    70

    0.006969

    486.98

    1.9329

    80

    0.007459

    501.18

    1.9737

    90

    0.007916

    514.57

    2.0111

    100

    0.008347

    527.38

    2.0459

    110

    0.008759

    539.77

    2.0787

    120

    0.009155

    551.85

    2.1098

    130

    0.009537

    563.70

    2.1396

    140

    0.009909

    575.36

    2.1681

    150

    0.010272

    586.88

    2.1957

    160

    0.010627

    598.30

    2.2223

    170

    0.010976

    609.63

    2.2482

    Source of data: NIST Chemistry WebBook - accessed March 2007

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