Application of modified molecular gas lubrication equation to the analysis of micromotor bushings

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Title:	Application of modified molecular gas lubrication equation to the analysis of micromotor bushings
Authors:	陳明達;Chen, Ming-Da;Lin, Jau-Wen;Lee, Shun-Ching;Chang, Kuo-Ming;Li, Wang-Long;(東方技術學院化工與材料工程系)
Contributors:	東方技術學院化工與材料工程系
Keywords:	Micromotor;Roughness;Gas rarefaction
Date:	2004-06
Issue Date:	2009-11-20 16:34:05 (UTC+8)
Abstract:	The microtribological phenomena have important effects on microelectro-mechanical systems (MEMS), especially when relative motion is required (e.g. microactuators). From the design concept of self-acting bearings (e.g. the flying head in a magnetic recording system), some step-shaped bushings beneath the rotor of a micromotor are considered and analyzed quantitatively. The modified molecular gas lubrication equation (MMGL) is utilized to analyze the step-shaped bushings. The results show that the coupling effects of roughness and gas rarefaction are significant and important in the design of bushings.
Relation:	Tribology International, Vol.37 no.6, pp.507-513
Appears in Collections:	[Department of Chemical and Materials Engineering] journal

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