HeavyWater#

References#

Equation of State#

S. Herrig, M. Thol, R. Span, A.H. Harvey, and E.W. Lemmon. A Reference Equation of State for Heavy Water. J. Phys. Chem. Ref. Data, 2019.

Thermal Conductivity#

IAPWS. Revised Release on Viscosity and Thermal Conductivity of Heavy Water Substance. 2007.

Viscosity#

IAPWS. Revised Release on Viscosity and Thermal Conductivity of Heavy Water Substance. 2007.

Melting Line#

S. Herrig, M. Thol, R. Span, A.H. Harvey, and E.W. Lemmon. A Reference Equation of State for Heavy Water. J. Phys. Chem. Ref. Data, 2019.

Surface Tension#

IAPWS. IAPWS Release on Surface Tension of Heavy Water Substance. 1994.

Aliases#

D2O, HEAVYWATER

Molecular Structure#

HeavyWater — 3D conformer (interactive: click and drag to rotate)

Fluid Information#

Parameter, Value

General

Molar mass [kg/mol]

0.020027508

CAS number

7789-20-0

ASHRAE class

UNKNOWN

Formula

D2O

Acentric factor

0.3642190223170594

InChI

InChI=1S/H2O/h1H2/i/hD2

InChIKey

XLYOFNOQVPJJNP-ZSJDYOACSA-N

SMILES

[2H]O[2H]

ChemSpider ID

23004

Limits

Maximum temperature [K]

825.0

Maximum pressure [Pa]

1200000000.0

Triple point

Triple point temperature [K]

276.969

Triple point pressure [Pa]

661.5871366710799

Critical point

Critical point temperature [K]

643.8469999831403

Critical point density [kg/m3]

355.99964379748695

Critical point density [mol/m3]

17775.533720794767

Critical point pressure [Pa]

21661830.99818297

REFPROP Validation Data#

Note

This figure compares the results generated from CoolProp and those generated from REFPROP. They are all results obtained in the form \(Y(T,\rho)\), where \(Y\) is the parameter of interest and which for all EOS is a direct evaluation of the EOS

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/HeavyWater.png

Consistency Plots#

The following figure shows all the flash routines that are available for this fluid. A red + is a failure of the flash routine, a black dot is a success. Hopefully you will only see black dots. The red curve is the maximum temperature curve, and the blue curve is the melting line if one is available for the fluid.

In this figure, we start off with a state point given by T,P and then we calculate each of the other possible output pairs in turn, and then try to re-calculate T,P from the new input pair. If we don’t arrive back at the original T,P values, there is a problem in the flash routine in CoolProp. For more information on how these figures were generated, see CoolProp.Plots.ConsistencyPlots

Note

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/HeavyWater1.png

Flash consistency (HEOS): 74 inconsistent, 0 exceptions, 0 bad-phase across 2 input pair(s).

Download full failure list (CSV)

Failing state points (sample, up to 20 per pair/class)

Pair

Class

Region

P [Pa]

T [K]

In1

Val1

In2

Val2

Error

DmolarP

INCONSISTENT

1phase

26826.8

276.967

Dmolar

55189.2

P

26826.8

DmolarP

INCONSISTENT

1phase

2926.66

276.969

Dmolar

55188.5

P

2926.66

DmolarP

INCONSISTENT

1phase

4233.88

276.969

Dmolar

55188.5

P

4233.88

DmolarP

INCONSISTENT

1phase

6124.97

276.969

Dmolar

55188.6

P

6124.97

DmolarP

INCONSISTENT

1phase

18543.9

276.968

Dmolar

55188.9

P

18543.9

DmolarP

INCONSISTENT

1phase

56143.6

276.965

Dmolar

55190

P

56143.6

DmolarP

INCONSISTENT

1phase

117498

276.96

Dmolar

55191.7

P

117498

DmolarP

INCONSISTENT

1phase

12818.5

276.968

Dmolar

55188.8

P

12818.5

DmolarP

INCONSISTENT

1phase

81220.6

276.963

Dmolar

55190.7

P

81220.6

DmolarP

INCONSISTENT

1phase

4.71728e+06

276.609

Dmolar

55320.8

P

4.71728e+06

DmolarP

INCONSISTENT

1phase

38809.1

276.966

Dmolar

55189.5

P

38809.1

DmolarP

INCONSISTENT

1phase

169980

276.956

Dmolar

55193.2

P

169980

DmolarP

INCONSISTENT

1phase

245903

276.95

Dmolar

55195.3

P

245903

DmolarP

INCONSISTENT

1phase

8860.74

276.968

Dmolar

55188.7

P

8860.74

DmolarP

INCONSISTENT

1phase

355738

276.942

Dmolar

55198.4

P

355738

DmolarP

INCONSISTENT

1phase

744495

276.912

Dmolar

55209.4

P

744495

DmolarP

INCONSISTENT

1phase

3.26081e+06

276.721

Dmolar

55280

P

3.26081e+06

DmolarP

INCONSISTENT

1phase

1.07703e+06

276.887

Dmolar

55218.7

P

1.07703e+06

DmolarP

INCONSISTENT

1phase

2.25403e+06

276.797

Dmolar

55251.8

P

2.25403e+06

DmolarP

INCONSISTENT

1phase

514631

276.93

Dmolar

55202.9

P

514631

SmolarT

INCONSISTENT

1phase

1.89388e+08

258.788

Smolar

-5.6759

T

258.788

SmolarT

INCONSISTENT

1phase

1.30914e+08

265.418

Smolar

-3.48089

T

265.418

SmolarT

INCONSISTENT

1phase

9.04939e+07

269.382

Smolar

-2.22549

T

269.382

SmolarT

INCONSISTENT

1phase

6.25538e+07

271.893

Smolar

-1.4589

T

271.893

SmolarT

INCONSISTENT

1phase

4.32402e+07

273.534

Smolar

-0.972344

T

273.534

SmolarT

INCONSISTENT

1phase

2.98897e+07

274.628

Smolar

-0.65545

T

274.628

SmolarT

INCONSISTENT

1phase

2.06612e+07

275.367

Smolar

-0.4453

T

275.367

SmolarT

INCONSISTENT

1phase

1.4282e+07

275.869

Smolar

-0.304161

T

275.869

SmolarT

INCONSISTENT

1phase

9.87242e+06

276.212

Smolar

-0.208527

T

276.212

SmolarT

INCONSISTENT

1phase

6.82429e+06

276.447

Smolar

-0.143326

T

276.447

SmolarT

INCONSISTENT

1phase

4.71728e+06

276.609

Smolar

-0.0986838

T

276.609

SmolarT

INCONSISTENT

1phase

3.26081e+06

276.721

Smolar

-0.0680273

T

276.721

SmolarT

INCONSISTENT

1phase

2.25403e+06

276.797

Smolar

-0.0469321

T

276.797

SmolarT

INCONSISTENT

1phase

1.55809e+06

276.851

Smolar

-0.0323959

T

276.851

SmolarT

INCONSISTENT

1phase

1.07703e+06

276.887

Smolar

-0.0223695

T

276.887

SmolarT

INCONSISTENT

1phase

744495

276.912

Smolar

-0.0154492

T

276.912

SmolarT

INCONSISTENT

1phase

514631

276.93

Smolar

-0.0106704

T

276.93

SmolarT

INCONSISTENT

1phase

355738

276.942

Smolar

-0.00736952

T

276.942

SmolarT

INCONSISTENT

1phase

245903

276.95

Smolar

-0.0050889

T

276.95

SmolarT

INCONSISTENT

1phase

169980

276.956

Smolar

-0.00351296

T

276.956

Superancillary Plots#

The following figure shows the accuracy of the superancillary functions relative to extended precision calculations carried out in C++ with the teqp library. The results of the iterative calculations with REFPROP and CoolProp are also shown.

Note

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/HeavyWater2.png