Fluid dynamics - Simple English Wikipedia

# Fluid dynamics

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Fluid Dynamics talks about how fluids (liquids and gases) work. It is one of the oldest parts of the study of Physics, and is studied by physicists, mathematicians, and engineers. Mathematics can describe how fluids move using mathematical formulas called equations.

Understanding how fluids behave helps us understand things like flight (aeronautics), weather (meteorology), and Sports Science. For example, fluid dynamics can be used to understand the weather, because clouds and air are both fluids. Fluid dynamics can also be used to understand how airplanes fly through the air or how ships and submarines move through water.

Computer programs can use the mathematical equations of fluid dynamics to model and predict the actions of moving fluids. Computers have helped us understand fluid dynamics very much, and some people study how to model or simulate fluids only with a computer. Studying how fluid dynamics can be done with computers is called computational fluid dynamics (or CFD for short).

Important Equations in Fluid Dynamics

- Poiseuille's Equation
- Bernoulli's Theorem
- Navier-Stokes Equations

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