Sound Power With Plane Sound Waves
Between sound power and other important acoustic values there is the following relationship:
where:
| Symbol | Units | Meaning |
|---|---|---|
| p | Pa | sound pressure |
| f | Hz | frequency |
| ξ | m | particle displacement |
| c | m/s | speed of sound |
| v | m/s | particle velocity |
| ω = 2πf | rad/s | angular frequency |
| ρ | kg/m3 | density of air |
| Z = c · ρ | N·s/m³ | acoustic impedance |
| a | m/s² | particle acceleration |
| I | W/m² | sound intensity |
| E | W·s/m³ | sound energy density |
| Pac | W | sound power or acoustic power |
| A | m² | area |
Read more about this topic: Sound Power
Famous quotes containing the words sound, power, plane and/or waves:
“Hes made a harp of her breast-bane,
Whose sound wad melt a heart of stane.
Hes taen three locks o her yellow hair,
And wi them strung his harp sae rare.”
—Unknown. Binnorie; or, The Two Sisters (l. 4144)
“He who has power can be king.”
—Chinese proverb.
“As for the dispute about solitude and society, any comparison is impertinent. It is an idling down on the plane at the base of a mountain, instead of climbing steadily to its top.”
—Henry David Thoreau (18171862)
“Flow, flow the waves hated,
Accursed, adored,
The waves of mutation:
No anchorage is.”
—Ralph Waldo Emerson (18031882)
