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To improve the understanding of various physical mechanisms for shaping a raindrop, we compute steady axisymmetric solutions of Navier–Stokes equations that also include the free surface deformations. Using a Galerkin finite-element computational method, we are able to obtain solutions capable of describing the raindrop shape along with the associated flow field self-consistently. For drops with diameter...
In this paper raindrop shapes from laboratory, field and model investigations are examined in order to distill a consistent picture of raindrop axis ratios as a function of size. The first realistic measurements of raindrop shape were made in the UCLA vertical wind tunnel that was built under the supervision of Hans R. Pruppacher at UCLA in 1968.Subsequent research has investigated raindrop shape...
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