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首页> 外文期刊>IEEE Transactions on Magnetics >Sensing and Modeling Heat Transfer Between a Recording Head and Medium for Clearance Setting in HAMR
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Sensing and Modeling Heat Transfer Between a Recording Head and Medium for Clearance Setting in HAMR

机译:记录头和介质之间的传热的传感和建模,用于HAMR中的间隙设置

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摘要

A thermistor-based proximity sensor enables identification of head-disk contact in a hard disk drive, allowing the setting of head-disk clearance. This sensor also provides thermal information, permitting validation of computational models used to design recording heads. We describe here a set of models, and a related set of experiments to probe thermal and mechanical characteristics at the head-disk interface. Example results are shown, leading to the conclusion that models with diffusive-ballistic equations are capable of simulating heat transfer through the gas bearing.
机译:基于热敏电阻的接近传感器可以识别硬盘驱动器中的磁头与磁盘的接触,从而可以设置磁头与磁盘的间隙。该传感器还提供热信息,允许验证用于设计记录头的计算模型。我们在这里描述了一组模型,以及一组相关的实验,以探测磁头-磁盘界面的热和机械特性。给出了示例结果,得出的结论是,具有扩散弹道方程的模型能够模拟通过气体轴承的传热。

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