Concentrations of ice

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Life times of water drops before breaking suspended freely in a vertical air stream have been empirically determined as a function of drop diameter. It has been found that breaking probability of a drop increases with increasing drop diameter. Average life times are 273 sec at 5.5 mm, 63.4 sec at 6.5 mm and 10.1 sec at 7.5 mm. An empirical formula obtained (average life z sec at D cm in diameter) is =3.40x106e-17.0D. The number of droplets produced by breaking of a drop increases with diameter of the drop. Empirical formula is obtained for the size distribution of the droplets. No marked difference is found between the results of the experiment at a room temperature and those at 0°C.