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    Application of CFD Analysis for Rotating Machinery—Part I: Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper

    Source: Journal of Engineering for Gas Turbines and Power:;2005:;volume( 127 ):;issue: 002::page 445
    Author:
    Zenglin Guo
    ,
    Post-Doctorate
    ,
    Toshio Hirano
    ,
    Visiting Research Engineer
    ,
    R. Gordon Kirk
    DOI: 10.1115/1.1807415
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The traditional method for bearing and damper analysis usually involves a development of rather complicated numerical calculation programs that may just focus on a simplified and specific physical model. The application of the general CFD codes may make this analysis available and effective where complex flow geometries are involved or when more detailed solutions are needed. In this study, CFX-TASCflow is employed to simulate various fixed geometry fluid-film bearing and damper designs. Some of the capabilities in CFX-TASCflow are applied to simulate the pressure field and calculate the static and dynamic characteristics of hydrodynamic, hydrostatic, and hybrid bearings as well as squeeze film dampers. The comparison between the CFD analysis and current computer programs used in industry has been made. The results show reasonable agreement in general. Some of the possible reasons for the differences are discussed. It leaves room for further investigation and improvement on the methods of computation.
    keyword(s): Hydrostatics , Bearings , Computational fluid dynamics , Dampers AND Pressure ,
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      Application of CFD Analysis for Rotating Machinery—Part I: Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper

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    http://yetl.yabesh.ir/yetl1/handle/yetl/131814
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorZenglin Guo
    contributor authorPost-Doctorate
    contributor authorToshio Hirano
    contributor authorVisiting Research Engineer
    contributor authorR. Gordon Kirk
    date accessioned2017-05-09T00:16:12Z
    date available2017-05-09T00:16:12Z
    date copyrightApril, 2005
    date issued2005
    identifier issn1528-8919
    identifier otherJETPEZ-26864#445_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/131814
    description abstractThe traditional method for bearing and damper analysis usually involves a development of rather complicated numerical calculation programs that may just focus on a simplified and specific physical model. The application of the general CFD codes may make this analysis available and effective where complex flow geometries are involved or when more detailed solutions are needed. In this study, CFX-TASCflow is employed to simulate various fixed geometry fluid-film bearing and damper designs. Some of the capabilities in CFX-TASCflow are applied to simulate the pressure field and calculate the static and dynamic characteristics of hydrodynamic, hydrostatic, and hybrid bearings as well as squeeze film dampers. The comparison between the CFD analysis and current computer programs used in industry has been made. The results show reasonable agreement in general. Some of the possible reasons for the differences are discussed. It leaves room for further investigation and improvement on the methods of computation.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleApplication of CFD Analysis for Rotating Machinery—Part I: Hydrodynamic, Hydrostatic Bearings and Squeeze Film Damper
    typeJournal Paper
    journal volume127
    journal issue2
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.1807415
    journal fristpage445
    journal lastpage451
    identifier eissn0742-4795
    keywordsHydrostatics
    keywordsBearings
    keywordsComputational fluid dynamics
    keywordsDampers AND Pressure
    treeJournal of Engineering for Gas Turbines and Power:;2005:;volume( 127 ):;issue: 002
    contenttypeFulltext
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