Physics, 12.07.2019 20:30 22chandlerlashley
6) (5p) an ice crystal in form of a thin hexagonal plate grows by diffusion in an environment saturated with respect to water at a temperature of -4°c and a pressure of 80 kpa. a) determine the time required for it to grow to a diameter of 1 mm, starting from a mass of 10-s kg. take the geometry factor to be that of a circular disk. assume that mass and diameter of the plate are related by m = 1.9 × 10-2 , with mass in gram and d in cm. neglect ventilation effects. (2p) b) if diameter and fall speed are related by u = c* d (with c = 520 s-1), determine the distance the crystal falls during the growth to 1 mm diameter. (2p) c) why is knowledge of the mass-size relation so important in cloud microphysics? (1p)
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6) (5p) an ice crystal in form of a thin hexagonal plate grows by diffusion in an environment satura...
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