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Väisälä period |
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Väisälä period [′väl·sä·lä ‚pir·ē·əd] (acoustics) The natural period of oscillation of a small parcel of air which is displaced adiabatically in a vertical direction, in an isothermal atmosphere horizontally stratified by gravity; equal to 337 seconds for a sound velocity of 333 meters per second. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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