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PLease Help me!
Posted 31 mai 2011, 06:18 UTC−4 1 Reply
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hi ppl .. i am trying to model a furnace which is heated by radiation of mode of heat transfer .. but conduction and covection is also expected in the model . I am new to modeling as well !
the problem i face is as follows :
1. comsol has chosen the interior boundaries also as insulation . it is not letting me to over ride these BC . they are in fact interior boundaries due to different materials.
2. the condition i want to simulate is 24 heaters .. but in a front sectional view for simulation , only 2 heaters can be show . so should i make the flux to be 24 *Power of one heater / 2 for each i can see in my model. or just make it power rating for each heater / 2 .
3. air is inside the furnace which is not allowed to escape by insulating it with ceramic blocks ! so convection of air and conduction across various layers of insulators and radiation due to high Temp gradient
What all modules should i use ??
the best part is .. i tried simulating similar conditions , in case of a similar geometry .. i got ansers easily and i had none of the above problems . !
please help me out !
the problem i face is as follows :
1. comsol has chosen the interior boundaries also as insulation . it is not letting me to over ride these BC . they are in fact interior boundaries due to different materials.
2. the condition i want to simulate is 24 heaters .. but in a front sectional view for simulation , only 2 heaters can be show . so should i make the flux to be 24 *Power of one heater / 2 for each i can see in my model. or just make it power rating for each heater / 2 .
3. air is inside the furnace which is not allowed to escape by insulating it with ceramic blocks ! so convection of air and conduction across various layers of insulators and radiation due to high Temp gradient
What all modules should i use ??
the best part is .. i tried simulating similar conditions , in case of a similar geometry .. i got ansers easily and i had none of the above problems . !
please help me out !
1 Reply Last Post 1 juin 2011, 01:49 UTC−4
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Posted:
1 decade ago
Hi
you would get better help if you tell us te version and physics used, and better post a (simplified) model
Any how when starting multiphysics cases: ALWAYS start simple add one physical phenomena at the time
--
Good luck
Ivar
you would get better help if you tell us te version and physics used, and better post a (simplified) model
Any how when starting multiphysics cases: ALWAYS start simple add one physical phenomena at the time
--
Good luck
Ivar