Fluids Fact Sheet

2/5/07

Pressure

1 Pascal =  1 Newton/m2.

1 atm. =  101.3 kPa = 1.013 bar = 760 mm Hg  (760 Torr) = 14.7 lb/in2.

Some Densities

Material

Density in kg/m3

Air at 760 mm, 0°C (STP)

1.29

Air at 760 mm, 100°C

0.944

Hydrogen (STP)

0.090

Helium (STP)

0.179

Water

1000

Sea Water

1025

Olive Oil

800 - 920

Mercury

13600

Aluminum

2700

Iron

7860

Silver

10500

Gold

19300

 

Some Viscosities: Liquids

 

Fluid

Viscosity in mPa.s

Water at 0°C

1.79

Water at 20°C

1.005

Water at 100°C

0.28

Glycerin  at 0°C

12070

Glycerin  at 20°C

1410

Glycerin  at 30°C

612

Glycerin  at 100°C

14.8

Mercury  at 20°C

1.55

Mercury at 100°C

1.27

Motor Oil SAE 30

200

Motor Oil SAE 60

1000

Ketchup

50,000

 

Some Viscosities: Gases

Gas

Viscosity in 10-6 Pa.s

Air at 0°C

17.09

Air at 20°C

18.08

Air at 100°C

21.30

Hydrogen at 0°C

8.4

Helium at 0°C

18.6

Xenon at 0°C

21.2