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    A Multi-Objective Optimization Approach on Spiral Grooves for Gas Mechanical Seals

    Source: Journal of Tribology:;2018:;volume( 140 ):;issue: 004::page 41701
    Author:
    Wang, Xiuying
    ,
    Shi, Liping
    ,
    Huang, Wei
    ,
    Wang, Xiaolei
    DOI: 10.1115/1.4038864
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Spiral groove is one of the most common types of structures on gas mechanical seals. Numerical research demonstrated that the grooves designed for improving gas film lift or film stiffness often lead to the leakage increase. Hence, a multi-objective optimization approach specially for conflicting objectives is utilized to optimize the spiral grooves for a specific sample in this study. First, the objectives and independent variables in multi-objective optimization are determined by single objective analysis. Then, a set of optimal parameters, i.e., Pareto-optimal set, is obtained. Each solution in this set can get the highest dimensionless gas film lift under a specific requirement of the dimensionless leakage rate. Finally, the collinearity diagnostics is performed to evaluate the importance of different independent variables in the optimization.
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      A Multi-Objective Optimization Approach on Spiral Grooves for Gas Mechanical Seals

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4253237
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    contributor authorWang, Xiuying
    contributor authorShi, Liping
    contributor authorHuang, Wei
    contributor authorWang, Xiaolei
    date accessioned2019-02-28T11:09:11Z
    date available2019-02-28T11:09:11Z
    date copyright1/31/2018 12:00:00 AM
    date issued2018
    identifier issn0742-4787
    identifier othertrib_140_04_041701.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4253237
    description abstractSpiral groove is one of the most common types of structures on gas mechanical seals. Numerical research demonstrated that the grooves designed for improving gas film lift or film stiffness often lead to the leakage increase. Hence, a multi-objective optimization approach specially for conflicting objectives is utilized to optimize the spiral grooves for a specific sample in this study. First, the objectives and independent variables in multi-objective optimization are determined by single objective analysis. Then, a set of optimal parameters, i.e., Pareto-optimal set, is obtained. Each solution in this set can get the highest dimensionless gas film lift under a specific requirement of the dimensionless leakage rate. Finally, the collinearity diagnostics is performed to evaluate the importance of different independent variables in the optimization.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA Multi-Objective Optimization Approach on Spiral Grooves for Gas Mechanical Seals
    typeJournal Paper
    journal volume140
    journal issue4
    journal titleJournal of Tribology
    identifier doi10.1115/1.4038864
    journal fristpage41701
    journal lastpage041701-10
    treeJournal of Tribology:;2018:;volume( 140 ):;issue: 004
    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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