固定磁盘驱动器的热特性

InterSociety Conference on Thermal Phenomena in the Fabrication and Operation of Electronic Components. I-THERM '88 Pub Date : 1988-05-11 DOI:10.1109/ITHERM.1988.28693

P. Eibeck, D. Cohen

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引用次数: 2

摘要

通过实验确定了IMB 5.25-in固定磁盘驱动器的热特性，以帮助开发通用磁盘驱动器模型。总的来说，热模型能够预测瞬态温度分布。在4000转时，空气和臂的稳态温度被预测在0.4摄氏度以内，基础温度被预测在2.4摄氏度以内。在磁盘堆外的实验不确定度内，发现空气温度是均匀的，但在旋转磁盘之间高出1.4摄氏度。温度预测对外部换热系数和用户输入的热源极为敏感。研究发现，要建立一个可靠的热模型，必须了解有关磁盘驱动器内粘性耗散和气流的更多基本信息。

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Thermal characteristics of a fixed disk drive

The thermal characteristics of an IMB 5.25-in fixed disk drive were experimentally determined to aid in the development of a general disk drive model. In general, the thermal model was able to predict the transient temperature profiles. At 4000 r.p.m., the steady-state temperature of the air and arms were predicted within 0.4 degrees C, and the base temperature was predicted within 2.4 degrees C. The air temperature was found to be uniform within experimental uncertainty outside of the disk stack, but was 1.4 degrees C higher between corotating disks. The temperature predictions are extremely sensitive to the external heat transfer coefficients and the heat sources in put by the user. It was found that more fundamental information regarding viscous dissipation and air flow within a disk drive must be known to produce a reliable thermal model.<>

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InterSociety Conference on Thermal Phenomena in the Fabrication and Operation of Electronic Components. I-THERM '88

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