![]() ![]() Pascal's law and the hydraulic force acting in fluids. Involving velocity, pressure, density and temperature as functions of space and time.įorces acting on bodies submerged in fluids.īuoyancy is the resultant force acting on a submerged body. Ocean pressure varies with depth and position (latitude) on earth. ![]() The pressure acting in water at 3 ft can be calculated as The density of water at 32 oF is 1.940 slugs/ft 3. = 9810 Pa Example - Pressure acting in water at depth 3 ft The pressure acting in water at 1 m can be calculated as The density of water at 4 oC is 1000 kg/m 3. Hydrostatic pressure in a water column - or depth ( density of water 1000 kg/m 3): Height of Water ColumnĮxample - Pressure acting in water at depth 1 m H = height of fluid column - or depth in the fluid where pressure is measured (m, ft) Ρ = density of liquid (kg/m 3, slugs/ft 3) P = pressure in liquid (N/m 2, Pa, lb f/ft 2, psf) Hydrostatic pressure in a liquid can be calculated as
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