Properties

Freon R134a

Water

Al₂O₃

I

III

k W/(m∙˚C)

15.447

74.716

0.60

31.922

Cp J/(kg∙˚C)

1144.5

1498.4

4180

837.336

µ kg/(m∙s)

12.373 × 10⁻⁶

161.45 × 10⁻⁶

0.758 × 10⁻³

4.65 × 10⁻⁵

Ρ kg/m³

50.085

1146.7

997

3950

ν Ν∙m²/s

2.47 × 10⁻⁷

0.14 × 10⁻⁶

0.8 × 10⁻⁷

0.118 × 10⁻⁷

α m²/s

2.695 × 10⁻⁴

4.35 × 10⁻⁵

1.43 × 10⁻⁷

9.65 × 10⁻⁶

Pr

1091.1

310.7

5.68

818