Drag (physics)

Atmospheric drag is a form of drag, which is the force that opposes an object moving through a liquid or gas. 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. Atmospheric drag - Calculation. Atmospheric drag can be calculated as follows: where: cdIncluding:

• Atmospheric drag - Calculation

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Atmospheric drag can be calculated as follows: where: cd is the body's coefficient of drag (that has to be determined experimentally), A is the body's cross-sectional area, ρ is the air density, and v is the body's velocity. ...

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Atmospheric drag, Atmospheric drag - Calculation

Read more here: » Atmospheric drag: Encyclopedia II - Atmospheric drag - Calculation