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:

    The political core of any movement for freedom in the society has to have the political imperative to protect free speech.
    bell hooks (b. 1955)

    The path was a vague parting in the grass
    That led us to a weathered windowsill.
    We pressed our faces to the pane. “You see,” he said,
    “Everything’s as she left it when she died....”
    Robert Frost (1874–1963)