buoyancy - definitie. Wat is buoyancy
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Wat (wie) is buoyancy - definitie

UPWARD FORCE THAT OPPOSES THE WEIGHT OF AN OBJECT IMMERSED IN FLUID
Buoyancy force; Buoyant; Archimedes's Principle; Bouyancy; Buoyancy Force; Upthrust; Archimedes’ principle; Buoyant force; Bouyant force; Buoyant density; Center of buoyancy; Buoyant mass; Floating and sinking; Archemides' principle; Archimedes law; Bouyant; Buoyance; Buoyancy devices; Natant; Upthrow; Law of Flotation; Boyancy; Buoyancy principle; Principle of buoyancy; Hydrostatic lift; Law of flotation; Flotation (buoyancy)
  • The Galileo's Ball experiment, showing the different buoyancy of the same object, depending on its surrounding medium. The ball has certain buoyancy in [[water]], but once [[ethanol]] is added (which is less dense than water), it reduces the density of the medium, thus making the ball sink further down (reducing its buoyancy).
  • Approximation of an arbitrary volume as a group of cubes
  • Forces on an immersed cube
  • Pressure distribution on an immersed cube

Buoyancy         
·noun Cheerfulness; vivacity; liveliness; sprightliness;
- the opposite of heaviness; as, buoyancy of spirits.
II. Buoyancy ·noun The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.
III. Buoyancy ·noun The upward pressure exerted upon a floating body by a fluid, which is equal to the weight of the body; hence, also, the weight of a floating body, as measured by the volume of fluid displaced.
buoyancy         
1.
Buoyancy is the ability that something has to float on a liquid or in the air.
Air can be pumped into the diving suit to increase buoyancy.
N-UNCOUNT
2.
Buoyancy is a feeling of cheerfulness.
...a mood of buoyancy and optimism.
N-UNCOUNT
3.
There is economic buoyancy when the economy is growing.
The likelihood is that the slump will be followed by a period of buoyancy.
N-UNCOUNT
buoyancy         
n.
1.
Lightness, levity, specific lightness.
2.
Vivacity, liveliness, sprightliness, cheerfulness. See gayety.

Wikipedia

Buoyancy

Buoyancy (), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. The pressure difference results in a net upward force on the object. The magnitude of the force is proportional to the pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the submerged volume of the object, i.e. the displaced fluid.

For this reason, an object whose average density is greater than that of the fluid in which it is submerged tends to sink. If the object is less dense than the liquid, the force can keep the object afloat. This can occur only in a non-inertial reference frame, which either has a gravitational field or is accelerating due to a force other than gravity defining a "downward" direction.

Buoyancy also applies to fluid mixtures, and is the most common driving force of convection currents. In these cases, the mathematical modelling is altered to apply to continua, but the principles remain the same. Examples of buoyancy driven flows include the spontaneous separation of air and water or oil and water.

The center of buoyancy of an object is the center of gravity of the displaced volume of fluid.

Voorbeelden uit tekstcorpus voor buoyancy
1. "You don‘t have the buoyancy you do in salt water.
2. Behind the buoyancy of prices is the dynamism of demand.
3. "So you‘re working against your own buoyancy and the pumpkin‘s." Some contestants had a quick fix.
4. Meanwhile, the buoyancy of the global economy provides a helping hand to exports.
5. The buoyancy of the financial sector is also expected to attract Mr Brown‘s attention.