CPU Fan direction

Discussion in 'Hardware' started by _dinsdale_, May 3, 2007.

  1. _dinsdale_

    _dinsdale_ Corporal

    Quick question. I"m installing a heat sink fan. Should it blow cool air onto the heat sink or suck hot air off?

    Dins
     
    _dinsdale_, May 3, 2007
    #1
  2. musksnipe

    musksnipe Guest

    You'll get more airflow at the base of your heatsink if the fan is blowing towards the heatsink. You will need to add a shroud if you want it blowing away so that air can only enter near the base of the heatsink. This needs to be carefully designed so that you maximize airflow around the heatsink.
     
    musksnipe, May 3, 2007
    #2
  3. BCGray

    BCGray Guest

    I agree with musksnipe, due to aerodynamics most fans can push more air against a resistance than they can pull it through the same resistance(your Heat sink)
     
    BCGray, May 3, 2007
    #3
  4. musksnipe

    musksnipe Guest

    Why, thanks BCGray;) I'm getting better at this.:cool
     
    musksnipe, May 3, 2007
    #4
  5. _dinsdale_

    _dinsdale_ Corporal

    Thanks for that I'll be blowing not sucking!

    Dins
     
    _dinsdale_, May 4, 2007
    #5

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