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windshield Deicing

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Old   September 2, 2013, 01:12
Default windshield Deicing
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naveen
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Hi all,
I am trying to do deicing on windshield using star ccm +, I have considered 0 deg C for ice phase change temperature, currently temperature on windshield is max 5 deg C. But dont see any reduction in the thickness of the ice layer, Intial thickness is considered as 0.5 mm. Ambient temp on wind shield is around 27 deg C. Any guess what would be wrong. thanks in advance.
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Old   September 2, 2013, 02:50
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Roman
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How long is your time step and how many time steps have you run your simulation?
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Old   September 2, 2013, 05:25
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Roman i was using 0.1 sec time step since i need simulation for aroud 30 minute or so which is long physical time, the goal is also to know the time required to meltdown 0.5mm thickness ice. I found that there was wrong in the ambient temperature 27 deg c i was using. I made it -18 deg C. Now the results looks good. thanks a lot for the reply.
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