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Atmospheric drag

Atmospheric drag drag is a form of drag ...

In astrodynamics depending on the situation atmospheric drag can be regarded as inefficiency requiring expense of additional energy during launch of the space object or as a bonus simplifying return from orbit.

Contents
1 Atmospheric drag in LEO
2 Atmospheric drag in higher orbits
3 Calculation
4 See also

Atmospheric drag in LEO

Atmospheric drag in higher orbits

Calculation

Atmospheric drag can be calculated as follows:

{d\mathbf{v}\over{dt}} = -{1\over{2}} {{c_dA}\over{m}} \rho{v^2}\left|\mathbf{v}\right |={1\over{2}}{\rho\over{c_b}}{v^2}\left|\mathbf{v}\right |

where:


See also

Science Fair Project Encyclopedia Contents Page
10-26-2009 08:16:03
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