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Investigated on Thermal Design of Computer Cooling System with the Effective Length of Cascade Heat Pipe.

  • Academic Journal
  • International Journal of Technology; Dec2020, Vol. 11 Issue 7, p1388-1396, 9p
  • Developments in recent electronics result in electronic components that produce heat, namely, Central Processing Units (CPUs). One solution to this problem is using a heat pipe. In this study, a cascade straight heat pipe (CSHP) is analyzed as a CPU cooling system with three effective lengths: 20 cm, 23 cm, and 26 cm. The first workload provided was Idle; the processor only ran the operating system without a software load, so that the processor utilization was only 1-10%. The second was full load, where the processor utilization was 95-100%. The CSHP-based CPU-cooling system with an effective length of 20 cm was able to reach processor temperatures of up to 43.32°C (idle) and 63.62°C (full load). For the effective length of 23 cm, processor temperatures of 46.99°C idle) and 64.81°C full load was attained. Lastly, while using the effective length of 26 cm, processor temperatures of 50.67oC idle and 65.21°C full load were reached. CPU cooling systems using CSHP are thermally resistant when in idle conditions; respectively, the temperatures for the effective lengths of 20 cm, 23 cm, and 26 cm are 0.168°C/W, 0.197°C/W, and 0.223°C/W. In contrast, for the same effective lengths, the thermal resistance at full load was 0.262°C/W, 0.236°C/W, and 0.224°C/W, respectively. Overall, the cascade heat pipe shows better cooling performance than a stock cooler. [ABSTRACT FROM AUTHOR]
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