Mean Free Path - Mean Free Path in Acoustics

Mean Free Path in Acoustics

In an otherwise empty cavity, the mean free path of a single particle bouncing off the walls is:

where V is volume of the cavity and S is total inside surface area of cavity. This relation is used in the derivation of the Sabine equation in acoustics, using a geometrical approximation of sound propagation.

Read more about this topic:  Mean Free Path

Famous quotes containing the words free and/or path:

    “Now, aged 50, I’m just poised to shoot forth quite free straight & undeflected my bolts whatever they are.”
    —Virginia Woolf (1882–1941)

    “So long as you are praised think only that you are not yet on your own path but on that of another.”
    —Friedrich Nietzsche (1844–1900)