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RESEARCH PAPERS

Flexible Disk Rotating on a Gas Film Next to a Wall

[+] Author and Article Information
Ivan Pelech

Laboratory for Electronics, Inc., Boston, Mass.

Ascher H. Shapiro

Massachusetts Institute of Technology, Cambridge, Mass.

J. Appl. Mech 31(4), 577-584 (Dec 01, 1964) (8 pages) doi:10.1115/1.3629717 History: Received September 05, 1963; Online August 12, 2011

Abstract

The flow generated by the rotation of a flexible disk next to a wall is analyzed for small Reynolds numbers. A nonlinear differential equation for the radial variation of the pressure and the gap width is solved simultaneously with the equation governing the deflection of a spinning circular membrane under axial pressure load. Optical methods are used to measure the gap width experimentally. The theory agrees well with the measurements.

Copyright © 1964 by ASME
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