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Table 5 Properties of propane isentropic flashes and mass flux at different pressure intervals

From: Dynamic modeling of heat exchanger tube rupture

Pressure

Mass Density

Integral Term

Mass Flux

Corrected Mass Flux

Vapor Fraction

bar

kg/m3

m2/s2

kg/s-m2

kg/s-m2

 

30.0

434.9

    

28.5

434.5

172

8069

8069

0

27.0

434.1

589

14900

14900

0

25.5

433.6

935

18751

18751

0

24.0

433.2

1281

21928

21928

0

22.5

432.8

1627

24692

24692

0

21.0

432.4

1974

27170

27170

0

19.5

330.7

2374

22786

27170

0.0367

18.0

248.5

2903

18936

27170

0.0791

16.5

192.2

3595

16294

27170

0.1194

15.0

151.0

4482

14294

27170

0.1581

13.5

119.6

5606

12662

27170

0.1954

12.0

94.8

7024

11242

27170

0.2318

10.5

74.9

8816

9943

27170

0.2675

9.0

58.4

11102

8707

27170

0.3029

7.5

44.7

14064

7493

27170

0.3384

6.0

33.0

18014

6267

27170

0.3747

  1. Molar Entropy = 104.5 kJ/kgmole- ∘C