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-   -   UDFs of heat loss-Please help? (http://www.cfd-online.com/Forums/fluent/50315-udfs-heat-loss-please-help.html)

Thanh D. B. Nguyen January 18, 2009 05:40

UDFs of heat loss-Please help?
 
Dear CFD users,

I am now using Fluent to simulate the secondary combustor in a Municipal solidwaste incinerator. I want to set the heat loss from the flue gase through the walls, but I dont know how to write an UDF for the heat flux. In my simulation I just used the walls with zero thickness. So, could you give some suggestions or give me some examples about that and what macro should I use (DEFINE_HEAT_FLUX or DEFINE_PROFILE?).

Thank you so much in advance. I am looking forwards to hearing from you because I am in urgent situation now.

sincerely yours,

Thanh.


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