bulk viscosity

"Bulk viscosity" is crucial in understanding how fluids resist changes in volume, affecting phenomena like sound and shock waves.

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Definition

(technical, academic)A measure of a fluid's resistance to changes in its volume, affecting how pressure waves dissipate.

Bulk viscosity is important in modeling the behavior of fluids under high-speed conditions.
The sound wave's energy loss can be attributed to the fluid's bulk viscosity.

(technical, academic)The internal friction that occurs when a fluid undergoes uniform compression or expansion.

Bulk viscosity plays a significant role in the propagation of shock waves in gases.

Terms that have similar or relatively close meanings to "bulk viscosity":