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Temperature growth from coil surface

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Old   December 15, 2013, 09:43
Default Temperature growth from coil surface
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Hamid
Join Date: Dec 2010
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Dear all,

I am modeling a gasoline tank with a 46 m diameter and 12 m height. this tank will heated by two layer coils with 240 m length. the initial temperature of the gasoline is -5 C. The gasoline temperature should be reach to 9 C. after modeling and mesh generation, export it to fluent. The coil's surface temperature is 164 C. the flow regime is turbulent. (the Rayleigh number > 10^9)

I consider a gasoline density as a function of temperature. but after 18000 iterations !!! the temperature profile hasn't much growth from the coil surface. please help me. what can do?


Sorry for the large mail
any help would be appreciated
Hamid
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