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Transportation and Storage

Science Principles


Density and Viscosity

"Density" and "API gravity" are expressions
of the mass to volume relationship

"Viscosity" is a measure of a fluid's resistance to flow

The Density and Viscosity of several relevant fluids are shown
in the chart below

 

Density
@ 15°C

Viscosity in centiStokes (cSt)

Temperature in °C
Fluid in kg/m3 °API 10 20 30 40 50 60 70 80 90 100
water 1000 10.1 1.30 1.03 0.85 0.72 0.63 0.56 0.51 0.47 0.44 0.42
Lloyd Crude 982 12.6 41500 11200 3974 1600 714 358 196 116 73.10 48.60
Lloyd Blend 931 20.5 439.70 223.60 124.70 75.20 48.30 32.80 23.30 17.10 13.10 10.20
Wain. Blend 925 21.5 277.50 145.60 83.60 51.70 34.00 23.00 17.10 12.80 9.90 7.90
Gear Oil 882 28.9 1188 529.00 264.00 145.00 86.10 54.60 36.60 25.70 18.80 14.20
Motor Oil 880 29.3 292.80 163.70 98.70 63.30 42.80 30.30 22.20 16.90 13.10 10.50
Husky Blend 855 34.0 9.85 6.62 4.72 3.53 2.75 2.21 1.82 1.53 1.32 1.15
Conden
-sate		 732 61.8 0.94 0.84 0.76 0.69 0.64 0.60 0.56 0.53 0.50 0.48

 

densityfluids.jpg (21087 bytes)
densitypercube.jpg (21832 bytes) densityperapi.jpg (21107 bytes)

Order on both bar graphs above is: (left to right) Water, Lloyd Crude, Lloyd Blend, Wainwright Blend, Gear Oil, Motor Oil, Husky Synthetic Blend, and Condensate

 

 

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