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-   -   HVAC & SMOKE MANAGMENT APPLICATIONS (http://www.cfd-online.com/Forums/phoenics/52024-hvac-smoke-managment-applications.html)

Hamdy March 5, 2006 04:47

HVAC & SMOKE MANAGMENT APPLICATIONS
 
Dear all, i am a beginner in FLAIR. I hope you help me with some additional tutorials to improve my skills. I ask also how to create a return diffuser, is that by making an opening with vacuum pressure. Also, how to create a 3D building with staircase to make smoke managment system. Third, if i have typical 2D CAD plans, can i use it to establish the whole building.

Thank you. Regards, Hamdy

fan jinglong March 11, 2006 10:23

Re: HVAC & SMOKE MANAGMENT APPLICATIONS
 
1.you can use opening type for pressure boundary condition. Or you can use inlet type for vol. flow rate 2.you can CAD set 3D staircase file . 3.PHOENICS can read 3D CAD files .

Hamdy March 16, 2006 09:26

Re: HVAC & SMOKE MANAGMENT APPLICATIONS
 
Hello thank you it is better to define suply and return diffusers as inlet type. the problem now that if i use the domain without walls, the results are very good but if i made it with walls of constant temperature, the results are unlogic. Really, i don not know the reason.

Thank You.

fan jinglong March 16, 2006 20:12

Re: HVAC & SMOKE MANAGMENT APPLICATIONS
 
Maybe it is convergence problem . It is difficult to explain clearly . If you can send your Q1 and STL file to my email box . Maybe I can adjust it for you .

Mike September 20, 2006 01:54

Mike
 
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