Simulating the air bearing pressure and flying height in a humid environment / Shuyu Zhang in Transactions of the ASME . Journal of tribology, Vol. 130 N°1 (Janvier 2008)  

Public ISBD [article]  inTransactions of the ASME . Journal of tribology > Vol. 130 N°1 (Janvier 2008) . - 4 p. Titre : Simulating the air bearing pressure and flying height in a humid environment Type de document : texte imprimé Auteurs : Shuyu Zhang, Auteur ; Brian Strom, Auteur ; Sung-Chang Lee, Auteur Année de publication : 2008 Article en page(s) : 4 p. Note générale : Tribology Langues : Anglais (eng) Mots-clés : Pressure Temperature Water vapor Bearings Vapor pressure Force Résumé : For a hard disk drive operating in a humid environment, the water vapor in the slider’s air bearing is typically compressed beyond its saturation vapor pressure, causing the vapor to condense. Consequently, the air bearing pressure decreases and the slider’s flying attitude adjusts to balance the forces from the suspension. A method for calculating this air bearing response to humid air is presented. Using two air bearing designs, several test cases are analyzed to illustrate the air bearing response for various temperatures and humidity levels. The calculated flying heights agree with those measured in commercial hard disk drives. En ligne : http://tribology.asmedigitalcollection.asme.org/article.aspx?articleid=1467969 [article] Simulating the air bearing pressure and flying height in a humid environment [texte imprimé] / Shuyu Zhang, Auteur ; Brian Strom, Auteur ; Sung-Chang Lee, Auteur . - 2008 . - 4 p. Tribology Langues : Anglais (eng) in Transactions of the ASME . Journal of tribology > Vol. 130 N°1 (Janvier 2008) . - 4 p. Mots-clés : Pressure Temperature Water vapor Bearings Vapor pressure Force Résumé : For a hard disk drive operating in a humid environment, the water vapor in the slider’s air bearing is typically compressed beyond its saturation vapor pressure, causing the vapor to condense. Consequently, the air bearing pressure decreases and the slider’s flying attitude adjusts to balance the forces from the suspension. A method for calculating this air bearing response to humid air is presented. Using two air bearing designs, several test cases are analyzed to illustrate the air bearing response for various temperatures and humidity levels. The calculated flying heights agree with those measured in commercial hard disk drives. En ligne : http://tribology.asmedigitalcollection.asme.org/article.aspx?articleid=1467969

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