8.3.- HYDROSTATIQUE

Hydrostatics is the branch of fluid mechanics that studies the associated phenomena and behavior that occur when a fluid is in a container and there are no forces that modify the state of the liquid at rest or in motion. By contrast, hydrodynamics studies fluids in motion.

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Hydrostatics is based on Pascal’s principle and Archimedes’ principle. Pascal’s principle states that “in a fluid confined in a container, pressure is transmitted in all directions with equal intensity”. Likewise, Archimedes' principle states that when a body is submerged in a fluid, it exerts an upward force on the body equal to the weight of the fluid displaced by it",. The fundamental equation of hydrostatics is defined from these principles:

dP = ρ g dh

Where,

P: pressure at one point of the fluid

ρ: density of the fluid

g: gravitational acceleration of Earth

h: height

The equation explains that within a fluid the hydrostatic pressure is directly proportional to its density, to the depth and the gravity of the fluid at the reference point considered.

The following characteristics that describe liquids stand out in hydrostatics: cohesion forces, surface tension, adhesion and capillarity. These characteristics are considered for applications based on hydrostatic studies such as: brakes, presses and hydraulic elevators, in the dimensioning of structures as canals and spillways, in shipbuilding, etc.

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HYDROSTATICS BENCH & FLUID PROPERTIES - BHI
  • BHI
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8.3.- HYDROSTATIQUE
BHI

Banc Hydrostatiques et Propriétés des Fluides

The Hydrostatics Bench & Fluid Properties, “BHI”, is a compact, mobile and independent unit.There is a water storage tank, to work in a closed system, at the bottom of the bench. The water is distributed by hand pumps from this tank to two...
UNIT TO STUDY STABILITY IN BOATS - USSB
  • USSB
Available
8.3.- HYDROSTATIQUE
USSB

Équipement d'Étude de la Stabilité dans les Bateaux

The Unit to study Stability in Boats, “USSB”, has been designed to study the stability and hydrostatics of ships. Besides, the buoyancy of the floating body, the metacenter and the center of mass can also be determined.The unit consists of a...