Simulation of HGA Vibration Characteristics Inside the Helium-Filled Hard Disk Drive

G. Zhang; H. Li; S. Shen; S. Wu

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Simulation of HGA Vibration Characteristics Inside the Helium-Filled Hard Disk Drive

机译：氦气填充硬盘驱动器内部HGA振动特性的模拟

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The reliability and stability of hard disk drives (HDDs) are especially important as the areal recording density is rapidly increasing and target to 10 Tb/in in the future. The vibrations of the head gimbals assembly (HGA) are inevitable by internal fluid flow and external shock impulses. In this paper, a 3-D finite-element model of an HDD is developed. The internal flow-induced HGA vibrations are investigated by a fluid–structure interaction approach. The external shock-induced vibrations of HGA are also analyzed. The investigated filling gases in the HDD include air and helium.

机译：硬盘驱动器（HDD）的可靠性和稳定性尤其重要，因为区域记录密度正在迅速提高，并且未来的目标是10 Tb / in。内部流体流动和外部冲击脉冲不可避免地导致了云台组件（HGA）的振动。在本文中，开发了HDD的3-D有限元模型。内部流引起的HGA振动通过流固耦合方法进行研究。还分析了外部冲击引起的HGA振动。 HDD中调查的填充气体包括空气和氦气。

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来源
《IEEE Transactions on Magnetics》 |2016年第4期|1-6|共6页
作者
G. Zhang; H. Li; S. Shen; S. Wu;
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作者单位

Guoqing Zhang is with School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China.(email:li;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Flow-induced vibration; flow-induced vibration; fluid-structure interaction; fluid???structure interaction (FSI); helium-filled drive; shock response; the helium-filled drive;

机译：流动引起的振动;流动引起的振动;流固耦合;流固结构相互作用（FSI）;充氦驱动;冲击响应;充氦驱动;

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专利

1. Suppressing flow-induced vibration of HGA by an acoustic PZT actuator in hard disk drives [J] . Zhang Guoqing, Yang Yun, Li Hui, Microsystem technologies . 2016,第6期

机译：通过硬盘驱动器中的声学PZT执行器抑制HGA的流动引起的振动
2. Narrowband performance of active control on flow-induced vibrations inside hard disk drives [J] . Hequn Min, Xiaoyang Huang, Qide Zhang Microsystem technologies . 2014,第8a9期

机译：主动控制对硬盘驱动器内部流动引起的振动的窄带性能
3. Vibration Characteristics of Disks-Spindle System in Hard Disk Drives [J] . T. H. Yan, X. D. Chen, R. M. Lin Mechanics Based Design of Structures and Machines . 2007,第1期

机译：硬盘驱动器中磁盘-主轴系统的振动特性
4. EFFECTS OF TEMPERATURE ON PARTICLE TRAJECTORY INSIDE THE HELIUM-FILLED HARD DISK DRIVE [C] . Yuwen Zhu, Guoqing Zhang, Shengnan Shen, ASME conference on information storage and processing systems . 2016

机译：温度对充氦硬盘驱动器内部颗粒轨迹的影响
5. Effect of airflow on the vibration of head gimbal assembly and disk flutter in a hard disk drive. [D] . Kim, Byoung-Cheol. 1999

机译：气流对硬盘驱动器中的磁头万向架组件和磁盘颤动的振动的影响。
6. Biosorption of neodymium on Chlorella vulgaris in aqueous solution obtained from hard disk drive magnets [O] . Mehmet Ali Kucuker, Nils Wieczorek, Kerstin Kuchta, -1

机译：从硬盘驱动磁铁获得的水溶液中的普通小球藻对钕的生物吸附
7. Numerical Analysis of Fluid-Structure Interactions in an Air or Helium-Filled Hard Disk Drive [O] . Sae Woong Kil -1

机译：空气或氦气硬盘驱动器中流体结构相互作用的数值分析

Simulation of HGA Vibration Characteristics Inside the Helium-Filled Hard Disk Drive

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