Hydrodynamics
Hydrodynamics
Hydrodynamics (pronounced: hy·dro·dy·nam·ics | \ ˌhī-drō-dī-ˈna-miks \) is a branch of physics that studies the motion of fluids, particularly non-compressible liquids, and the forces acting on solid bodies immersed in fluids and in motion relative to them. The term is derived from the Greek words 'hydro' meaning water, and 'dynamis' meaning power.
History
The study of hydrodynamics is believed to have begun with Archimedes of Syracuse, who is known for his work on buoyancy, the Archimedes' principle. However, the term 'hydrodynamics' was first used in the 18th century by Daniel Bernoulli in his book Hydrodynamica.
Principles
Hydrodynamics is governed by the principles of conservation of mass, conservation of energy, and Newton's laws of motion. The fundamental equation of hydrodynamics is the Navier-Stokes equation, which describes the motion of fluid substances.
Applications
Hydrodynamics has a wide range of applications, including in the design of ships and submarines, the study of blood flow in the human body, and in understanding natural phenomena such as ocean currents and weather patterns.
Related Terms
- Fluid dynamics: The study of the behavior of all types of fluids, including gases and liquids.
- Hydrostatics: The study of fluids at rest.
- Aerodynamics: The study of the motion of air and other gaseous fluids and of the forces acting on bodies moving through such fluids.
- Bernoulli's principle: A principle in hydrodynamics stating that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.
See Also
External links
- Medical encyclopedia article on Hydrodynamics
- Wikipedia's article - Hydrodynamics
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