Fluid Properties

Water

Temperature

mass density
r
Freshwater

mass density
r
Saltwater

Kinematic Viscosity
n
Freshwater

Kinematic Viscosity
n
Saltwater

degrees F lbs-sec2/lbs4 lbs-sec2/lbs4 ft2/sec ft2/sec
59 1.9384 1.9905 1.2260 X 10-5 1.2791 x10-5
60 1.9383 1.9903 1.2083 1.2615
61 1.9381 1.9901 1.1910 1.2443
62 1.9379 1.9898 1.1741 1.2275
63 1.9377 1.9895 1.1576 1.2111
64 1.9375 1.9893 1.1415 1.1951
65 1.9373 1.9890 1.1257 1.1794
66 1.9371 1.9888 1.1103 1.1640
67 1.9369 1.9885 1.0952 1.1489
68 1.9367 1.9882 1.0804 1.1342
69 1.9365 1.9872 1.0660 1.1198
70 1.9362 1.9876 1.0519 1.1057
71 1.9360 1.9873 1.0381 1.0918

Standard Atmosphere

1 atmosphere = 29.92 in hg. = 14.7 lbs./in2 = 760 mm Hg. = 760 torr = 1021 mb = 100kPa

Altitude Pressure Temperature Density
r
ft. in. Hg. degrees F slugs/ft3
0 29.92 59.0 0.002377
1,000 28.86 55.4 0.002308
2,000 27.82 51.9 0.002241
3,000 26.82 48.3 0.002175
4,000 25.84 44.7 0.002111
5,000 27.89 41.2 0.002048
6,000 23.98 37.6 0.001987
7,000 23.09 34.0 0.001927





Links

A great fluids web site


Credits

Photo Credits

Image on opening page from Physics Net.com

References

Principles of Yacht Design

Abbot and Von Donhoff. Theory of Wing Sections.

H.C. "Skip" Smith

 

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