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dynamics (esp. rotation) dominates the aerodynam of natural tektites. From Elkins-Tanton, Ausillous,
ics ⇒ drop shape set by its rotation.
Bico, Qu´r´ and Bush (2003).
ee 24 7.2. Rolling drops Chapter 7. Spinning, tumbling and rolling drops Light drops: For the case of Σ < 0, ∆ρ < 0, a spinning drop is stabilized on axis by centrifugal pressures.
For high |Σ|, it is well described by a cylinder with spherical caps. Drop energy:
2 E= + Rotational K.E. 2π rLγ
S ur f ace energ y
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- Fall '10