Sander probably knows...
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Thread: Sander probably knows...

  1. #1
    Join Date
    Aug 1999
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    Troy, NY (12180)
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    Sander probably knows...

    Hey Sander (or anyone else who has the 411, not 911, 666, or 69... but 411),

    how can i get my CPU to -40 or -50C? should i use cascaded peltiers w/ a phase change coolant system?

    just curious, cause something's up w/ my 1/3 divider on my Athy, just doesn't work or something... so i'd like to try and get my cache chips to 500mhz... (they're running at 413 right now w/ air cooling -- i only have a waterblock on the core.... that's gonna change within the week)

    thanks!!!

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  2. #2
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    yes use both, peltier cooling for the primary, and phase change evaporation to keep them peltiers happy.........

    i don't have a 411 though

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    [This message has been edited by #Rotor (edited 04-20-2000).]
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  3. #3
    Join Date
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    hehe... how times change... now i'm just going for a 98% water / 2% redline primary coolant loop w/ a peltier cooled reservoir (nice stack of heatsinks + fans on them peltiers )

    i guess if i have a good month of no school (at least two years from now, cause once i start my thesis, no sleep )

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  4. #4
    Join Date
    Nov 1999
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    Markham, Ontario, Canada
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    the theoritical limit for DT of a single peltier is around 60-70c. Cascading peliters are for designs where DT needs to be much greater (ie. over a 100 C DT), but it is much more inefficient than a single peltier.

  5. #5
    Join Date
    Feb 2000
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    165
    My experiences with Peltiers show me that they usually get around a 40c DT...

    Kebo
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  6. #6
    Join Date
    Nov 1999
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    yup. 60-70 c is the theoritical limit. It also depends on the temperature of the heat exchanger, heat sink resistivity and other factors.

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