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    On the Dynamic Behavior of Hybrid Journal Bearings

    Source: Journal of Tribology:;1976:;volume( 098 ):;issue: 001::page 90
    Author:
    S. M. Rohde
    ,
    H. A. Ezzat
    DOI: 10.1115/1.3452788
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: An analysis of the dynamic behavior of hybrid journal bearings is presented. The analysis accounts for the compressibility of the lubricant in the bearing recesses and supply line. Results show that when the journal is subjected to high frequency excitation the bearing stiffness and damping can change drastically. The behavior is characterized by a “break frequency” beyond which the bearing stiffness increases sharply. This is accompanied by a rapid decrease in bearing damping. It is also shown that the cross-coupling stiffness coefficients are reduced at high excitation frequencies. The asymptotic behavior of the stiffness and damping coefficients is examined at both ends of the frequency spectrum.
    keyword(s): Journal bearings , Stiffness , Bearings , Damping , Frequency , Compressibility , Spectra (Spectroscopy) AND Lubricants ,
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      On the Dynamic Behavior of Hybrid Journal Bearings

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/89366
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    contributor authorS. M. Rohde
    contributor authorH. A. Ezzat
    date accessioned2017-05-08T23:02:01Z
    date available2017-05-08T23:02:01Z
    date copyrightJanuary, 1976
    date issued1976
    identifier issn0742-4787
    identifier otherJOTRE9-28593#90_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/89366
    description abstractAn analysis of the dynamic behavior of hybrid journal bearings is presented. The analysis accounts for the compressibility of the lubricant in the bearing recesses and supply line. Results show that when the journal is subjected to high frequency excitation the bearing stiffness and damping can change drastically. The behavior is characterized by a “break frequency” beyond which the bearing stiffness increases sharply. This is accompanied by a rapid decrease in bearing damping. It is also shown that the cross-coupling stiffness coefficients are reduced at high excitation frequencies. The asymptotic behavior of the stiffness and damping coefficients is examined at both ends of the frequency spectrum.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleOn the Dynamic Behavior of Hybrid Journal Bearings
    typeJournal Paper
    journal volume98
    journal issue1
    journal titleJournal of Tribology
    identifier doi10.1115/1.3452788
    journal fristpage90
    journal lastpage94
    identifier eissn1528-8897
    keywordsJournal bearings
    keywordsStiffness
    keywordsBearings
    keywordsDamping
    keywordsFrequency
    keywordsCompressibility
    keywordsSpectra (Spectroscopy) AND Lubricants
    treeJournal of Tribology:;1976:;volume( 098 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian