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Heat and mass transfer from a shrouded rotating disk
Heat and mass transfer from a shrouded rotating diskopenaire
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Evaluation of an air shroud for rotating disk vibration suppression
2005 International Power Engineering Conference, 2005The growth trend of the recording density of hard disk drives (HDD) makes a demand for higher head positioning accuracy at faster disk rotation speed. However, the higher rotational speed of disk generates the greater flow induced vibration known as disk flutter, which causes the increase of the track misregistration (TMR). In this paper, air shroud is
J.Q. Mou, L.C. Lee, G.X. Guo
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LES Study of Flow Between Shrouded Co-rotating Disks
Flow, Turbulence and Combustion, 2013Large eddy simulations of turbulent flow between shrouded co-rotating disks, representing a simplified model of a hard disk drive, are performed. The computation domain surrounds a complete disk and is bounded at top and bottom by half a disk. Therefore, it is possible to compute the fluctuating pressure field surrounding the middle disk.
Shinnosuke Obi, Obi Shinnosuke
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Airflow pressure and shear forces on a rotating, deformed disk in an open shroud
Communications in Nonlinear Science and Numerical Simulation, 2004zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Albert C J Luo
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Aerodynamic Damping on Vibration of Rotating Disks and Effects of Shroud and Top Cover
IEEE Transactions on Magnetics, 2008Aerodynamic damping on vibration of rotating disks surrounded by a shroud was experimentally investigated. Hammer tests were conducted in a vacuum and in air, and a curve-fit technique was used to estimate natural frequencies and modal damping ratios of disk modes precisely from measured frequency responses.
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Shroud Heat Transfer Measurements From a Rotating Cavity With an Axial Throughflow of Air
Journal of Turbomachinery, 1994 The paper discusses measurements of heat transfer obtained from the inside surface of the peripheral shroud. The experiments were carried out on a rotating cavity, comprising two 0.985-m-dia disks, separated by an axial gap ofO.
C A Long, P G Tucker, Long C A
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Flow between a stationary and a rotating disk shrouded by a co-rotating cylinder
Physics of Fluids, 1996Boundary layers on stationary and rotating disks have received much attention since von Kármán’s [Z. Angew. Math. Mech. 1, 233 (1921)] and Bödewadt’s [Z. Angew. Math. Mech. 20, 241 (1940)] studies of the cases with disks of infinite radius. Theoretical treatments have focused on similarity treatments leading to conflicting ideas about existence and ...
Wu, S.C., Chen, Y.M.
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Rotating Instability in a Centrifugal Blower With Shrouded Impeller
Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 2012Rotating instability in various types of fans, compressors, and pumps is considered as one of the symptoms of unsteady phenomena such as rotating stall or surge, and it is observed before a rotating stall as an amplitude increase in the power spectra of velocity fluctuation and/or radiated noise.
C. K. P. Kowshik +3 more
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Effect of Rim-shroud Clearance on the Flow Bifurcation around a Rotating Disk
The Proceedings of the JSME Annual Meeting, 2004Takashi WATANABE +2 more
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Three-dimensional Turbulent Boundary Layer in a Shrouded Rotating System
Flow, Turbulence and Combustion, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Poncet, Sébastien +1 more
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