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standard atmosphere |
Also found in: Wikipedia, Hutchinson | 0.03 sec. |
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standard atmosphere [′stan·dərd ′at·mə‚sfir] (meteorology) A hypothetical vertical distribution of atmospheric temperature, pressure, and density which is taken to be representative of the atmosphere for purposes of pressure altimeter calibrations, aircraft performance calculations, aircraft and missile design, and ballistic tables; the air is assumed to obey the perfect gas law and hydrostatic equation, which, taken together, relate temperature, pressure, and density variations in the vertical; it is further assumed that the air contains no water vapor, and that the acceleration of gravity does not change with height. (physics) 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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standard advanced base units standard air munitions package standard antenna standard arm standard artillery atmosphere standard artillery zone standard atmosphere Standard atmosphere models standard ballistic conditions standard blocked F-format data set standard broadcast band standard broadcast channel standard broadcasting standard calomel electrode standard candle |
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