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Numerical Simulation toy Flow Disturbance Between 3.5' Co-rotating Disks Unobstructed in Shroud
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장애물이 없는 3.5' 동시회전 디스크의 유동교란에 관한 수치적 연구

논문 기본 정보

Type
Proceeding
Author
Kong, Dae-Wee (연세대학교 대학원) Joo, Won-Gu (연세대학교 기계공학부)
Journal
정보저장시스템학회 정보저장시스템학회 추계학술대회논문집 정보저장시스템학회 2005년도 추계학술대회 논문집
Published
2005.1
Pages
242 - 245 (4page)

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Numerical Simulation toy Flow Disturbance Between 3.5' Co-rotating Disks Unobstructed in Shroud
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Research history (3)

2006

Distributions of oscillating flow fluctuation in the flow between corotating disks confined
Dae-Wee Kong ,  Won-Gu Joo 한국소음진동공학회 학술대회논문집 2006.05 Proceeding

2005

Numerical Simulation toy Flow Disturbance Between 3.5' Co-rotating Disks Unobstructed in Shroud
Kong ,  Dae-Wee ,  Joo 정보저장시스템학회 추계학술대회논문집 2005.01 Proceeding

2003

Visualization of the flow between co-rotating disks in shroud with an obstruction
Dae-Wee Kong ,  Deug-Hee Doh ,  Won-Gu Joo 한국소음진동공학회 학술대회논문집 2003.05 Proceeding
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Abstract· Keywords

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The rotating flow in the space between co-rotating disks is of considerable importance in information storage systems. Hard disk drivers(HDD) in computer are used extensively as data storage capacity. The trend in the computer industry to produce smaller disk drives rotating at higher speed requires an improved understanding of fluid motion in the space between disks. In this study, we have tried LES model for inner-disk flowfield to investigate the flow disturbance and the flow structure driven by co-rotating disks. The boundary pattern between inner region and outer region obtained lobe-shape structure clearly and its number has been validated on experimental data by our previous study. We obtain the spectra of velocity and pressure components with several frequencies. We revealed there are two kinds of disturbances, one is global wave propagation and another is local wave propagation on Ekman boundary layer.
#Co-rotating disks #Flow Disturbance #HDD #LES #FIV

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