hydrodynamics

(uncountable)The scientific study of liquids in motion.

He specializes in hydrodynamics.

Hydrodynamik

гидродина́микаgidrodinámika

гідродина́мікаhidrodynámika

study of fluids in motion

(uncountable)The phenomena thus studied.

The hydrodynamics of a hovercraft are fascinating.

This type of valve doesn't have the right hydrodynamics to achieve what they're trying to achieve.