MC-27 AERODYNAMICALLY INDUCED POWER LOSS IN HARD DISK DRIVES
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概要
- 論文の詳細を見る
In this paper, the aerodynamically dissipated power loss in hard disk drives is studied. The effects of rotational speed and form factor on the dissipation power loss are analyzed and compared to experimental results using 3.5", 2.5" and 1" disks. The torque coefficients for laminar and turbulent models are derived for various enclosure conditions. We implement experiments using a vacuum chamber and calculate frictional power loss by disk rotation. For a 1-inch disk, the power dissipation agree well with the laminar model, which is inversely proportional to the half power of Reynolds number. The frictional power consumption by 3.5-inch disk is similar to the air turbulent model. Finally, we propose the drive enclosure geometry to minimize the aerodynamic power loss based on the experimental results.
- 一般社団法人日本機械学会の論文
著者
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Cho Sung
Department Of Anatomy Seoul National University College Of Medicine
-
Lee Seung
Corresponding Author Department Of Mechanical Engineering Sogang University
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Rhim Yoon
Department Of Mechanical Enginnering Yonsei University
-
Cho Sung
Department Of Mechanical Enginnering Yonsei University
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