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Old   July 10, 2004, 09:57
Default bulk temperature
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Avesta
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hi all how do i report bulk temperature from Fluent? please guide me best regard avesta
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Old   July 10, 2004, 17:48
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AJ
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Check area or volume averaged temperature where you're interested in bulk temperature.

thanks AJ
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Old   July 11, 2004, 02:09
Default Re: bulk temperature
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Avesta
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hi dear thank you but bulk temperature is difined as below: T_bulk=integral(UTdA)/integral(UdA) please guide me best regard Avesta
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Old   July 11, 2004, 11:59
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AJ
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As per the definition use custom field calculation to calculate the bulk temoperature for area/volume....

have fun!!!
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Old   July 12, 2004, 01:56
Default Re: bulk temperature
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Avesta
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hi AJ thank you i should define a function as U*T in custom fieldfunction ,then calculate surface integral (integral(u*T*dA) ) ,then integral(u*dA)and then devide them. ok is it correct? because i want to Nusselt number as below definition: Nu=(1/T_bulk)*dT/dr T is non dimentional temperature. IN A TUBE. please guide me. best regard Avesta
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