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ESTABLISHING REFERENCE VALUES
Now that I had a test-bed, I set about making measurements using the Thermaltake Pipe101 as the reference HSF. These would become the reference values for comparing the heatpipe results against.
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CPU Simulator Reference Data: Thermaltake Pipe 101
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Fan
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Sound
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Heat
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Max Temp.
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Ambient
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Temp. Rise
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°C / W
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12V
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Loud
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59W
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32.5°C
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19°C
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13.5°C
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0.2288
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5V
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Very quiet
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59W
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43.5°C
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19°C
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24.5°C
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0.4153
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Notes: Arctic Silver 5 TIM was used at the heatsink / simulator interface. Temperatures were recorded after the simulations had run for 48 hours
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The values in the right columns are the most important, as they are the temperature rise above ambient and the resulting calculated cooling capacity (°C/Watt). As can be seen, with the fan at 12V we have a temperature rise of 13.5 °C, and a rise of 24.5°C with the fan at 5V. So with these reference temps I now had something to compare the effectiveness of the Borg heatpipes against.
BORG HES 4-PIPE SYSTEM
Previously I had ordered a Borg 6mm HES (Heatpipe Extension Set) kit:
mCubed Borg 6mm heatpipe extension set
THE REAL TEST
It was now time to configure the test-bed to utilise these mCubed Borg heatpipes. I added another mount system using aluminium channel. The channel was cut and drilled to function as a bracket to hold the plates against the heat/cooling sources. To insulate the plates from the channel I used cardboard squares, quite remarkably these proved to be very effective insulators (the brackets did not heat-up at all).
I used the supplied mCubed heat-transfer compound for coupling the pipes to the heat-plates, and Arctic-5 for coupling the plates to the CPU Simulator and Pipe-101 HSF.
mCubed heatpipes set up with heating and cooling blocks (evaporator and condensor).
And then the HSF was bolted on tightly, completing this configuration:
The Thermaltake HSF was used again.
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