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    Stabilization Method for Small-Bore Journal Bearings Utilizing Starved Lubrication

    Source: Journal of Tribology:;2010:;volume( 132 ):;issue: 001::page 11703
    Author:
    Hiromu Hashimoto
    ,
    Masayuki Ochiai
    DOI: 10.1115/1.4000269
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper describes the stabilization method for small-bore circular journal bearings using starved lubrication. First, we describe the experimental examination to confirm the effect of supply oil conditions on stability of circular journal bearing by using a high-speed test rig. Then, the theoretical model considering the effect of amount of supply oil is discussed. Journal center trajectories are calculated by nonlinear motion analysis under various conditions. The theoretical results agree well with the experimental ones for three types of supply oil conditions and the mechanism of the stabilization by using the starved lubrication for small-bore journal bearings is clarified. Moreover, we suggest a supply oil control mechanism to stabilize the journal bearing using starved lubrication. Finally, the effectiveness of the proposed control mechanism on stability for high-speed small-bore journal bearings is verified experimentally.
    keyword(s): Stability , Flow (Dynamics) , Lubrication , Bearings , Journal bearings AND Mechanisms ,
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      Stabilization Method for Small-Bore Journal Bearings Utilizing Starved Lubrication

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/144951
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    contributor authorHiromu Hashimoto
    contributor authorMasayuki Ochiai
    date accessioned2017-05-09T00:41:18Z
    date available2017-05-09T00:41:18Z
    date copyrightJanuary, 2010
    date issued2010
    identifier issn0742-4787
    identifier otherJOTRE9-28771#011703_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/144951
    description abstractThis paper describes the stabilization method for small-bore circular journal bearings using starved lubrication. First, we describe the experimental examination to confirm the effect of supply oil conditions on stability of circular journal bearing by using a high-speed test rig. Then, the theoretical model considering the effect of amount of supply oil is discussed. Journal center trajectories are calculated by nonlinear motion analysis under various conditions. The theoretical results agree well with the experimental ones for three types of supply oil conditions and the mechanism of the stabilization by using the starved lubrication for small-bore journal bearings is clarified. Moreover, we suggest a supply oil control mechanism to stabilize the journal bearing using starved lubrication. Finally, the effectiveness of the proposed control mechanism on stability for high-speed small-bore journal bearings is verified experimentally.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleStabilization Method for Small-Bore Journal Bearings Utilizing Starved Lubrication
    typeJournal Paper
    journal volume132
    journal issue1
    journal titleJournal of Tribology
    identifier doi10.1115/1.4000269
    journal fristpage11703
    identifier eissn1528-8897
    keywordsStability
    keywordsFlow (Dynamics)
    keywordsLubrication
    keywordsBearings
    keywordsJournal bearings AND Mechanisms
    treeJournal of Tribology:;2010:;volume( 132 ):;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
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