Table 7 Prediction of isochoric and isobaric heat capacity, speed of sound, and Joule–Thomson coefficient of R-454B at 0.1 MPa and 200–330 K.

From: Prediction of thermophysical properties of R-454B based on molecular dynamic simulation and SAFT-based equation of state

T (K)

P (MPa)

Phase

Cv (kJ/kg K)

Cp (kJ/kg K)

U (m/s)

JT (K/MPa)

REFPROP

PC-SAFT

REFPROP

PC-SAFT

REFPROP

PC-SAFT

REFPROP

PC-SAFT

200

0.1

Liquid

0.88

0.96

1.4

1.6

996.38

1103.1

 − 0.32

 − 0.31

210

0.1

Liquid

0.88

0.96

1.42

1.61

945.14

1055.8

 − 0.30

 − 0.30

220

0.1

Liquid

0.88

0.96

1.44

1.63

893.89

1008.1

 − 0.28

 − 0.29

230

0.1

Vapor

0.66

0.63

0.83

0.90

188.4

204.98

61.25

21.00

240

0.1

Vapor

0.66

0.64

0.82

0.92

192.79

208.95

50.94

19.16

250

0.1

Vapor

0.66

0.66

0.82

0.94

196.93

212.80

43.2

17.54

260

0.1

Vapor

0.67

0.68

0.82

0.95

200.89

216.52

37.11

16.11

270

0.1

Vapor

0.68

0.70

0.83

0.97

204.7

220.14

32.2

14.85

280

0.1

Vapor

0.7

0.71

0.84

0.99

208.38

223.67

28.19

13.72

290

0.1

Vapor

0.71

0.73

0.85

1.00

211.95

227.10

24.86

12.70

300

0.1

Vapor

0.72

0.75

0.87

1.02

215.42

230.46

22.09

11.79

310

0.1

Vapor

0.74

0.76

0.88

1.04

218.81

233.74

19.75

10.97

320

0.1

Vapor

0.75

0.78

0.89

1.05

222.11

236.96

17.76

10.23

330

0.1

Vapor

0.77

0.80

0.91

1.07

225.35

240.11

16.06

9.55

340

0.1

Vapor

0.78

0.82

0.924

1.09

228.53

243.20

14.59

8.93

345

0.1

Vapor

0.79

0.83

0.932

1.09

230.09

244.72

13.93

8.65

348

0.1

Vapor

0.79

0.83

0.936

1.10

231.02

245.63

13.56

8.48

350

0.1

Vapor

0.80

0.83

0.939

1.10

231.64

246.23

13.32

8.37

360

0.1

Vapor

0.81

0.85

0.95

1.12

234.70

249.22

12.21

7.86

370

0.1

Vapor

0.83

0.87

0.97

1.14

237.71

252.15

11.23

7.38

380

0.1

Vapor

0.84

0.89

0.98

1.15

240.68

255.04

10.3

6.95

400

0.1

Vapor

0.88

0.92

1.01

1.19

246.48

260.68

8.90

6.18

Back to article page