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Falling drop freezing problem

  1. Jan 21, 2009 #1
    Hi all,

    I have a heat transfer problem. In this problem, a water drop (assume sphere) is falling from a very high building. The outside temperature is below zero say -20 degree centigrade. How much time will it take to freeze?

    I am not able to understand how to model this problem. Which equations to use because it analyze this problem from the reference frame of drop then the flow is unsteady accelerating with an acceleration of 'g'. I shall be very thankful if anybody can help me out solving this problem.

    Pulkit
     
  2. jcsd
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