Air-borne noise of thermal module and system for notebook personal computers: experimental study

2008, Volume 2, Issue 2

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Frontiers in Energy >> 2008, Volume 2, Issue 2 doi: 10.1007/s11708-008-0034-1

Air-borne noise of thermal module and system for notebook personal computers: experimental study

1.School of Mechanical Engineering, Shanghai Jiao Tong University; 2.Intel Asia-Pacific Research & Development Ltd

Available online: 2008-06-05

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Abstract

Thermal performance is the most important issue to be considered when a thermal module is designed for a notebook personal computer (PC). Because the fan causes air-borne noise and affects the user’s comfort, the acoustic characteristics of the module attract more attention. Experiments were conducted to study the noise sources, the noise characteristic and the main factors influencing the noise level. The difference between the air-borne noise of the thermal module and the whole computer system was analyzed and its propagating characteristics were derived. The influence of I/O ports on the air-borne noise was also studied experimentally.

Keywords

air-borne ; attention ; propagating ; characteristic ; personal computer

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