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Cpu cooler for notebook

Question asked by Jack Gu on Sep 6, 2013
Latest reply on Oct 3, 2013 by Jack Gu


     I have question for seting boundary conditions

At first, this is my model


         According to the example,i know set the boundary conditions in inlet and outlet

this fan 3600rpm,0.17cmm,83Pa=8.3mmaq(static pressure), i set (outlet pressure is biger than inlet)

         But the result is wrong,未命名2.png


frome this result,we can see that,the air is from outlet into fan,it is impossible,is i need to set outlet pressure small than inlet??

I see the teaching video,it teaching must set from my original set





please help me ,what should i do



this is my