CFD Analysis of Gear Windage Losses: Validation and Parametric Aerodynamic Studies
A computational fluid dynamics (CFD) method has been applied to gear configurations with and without shrouding. The goals of this work have been to validate the numerical and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage los...
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| Veröffentlicht in: | Journal of fluids engineering 2011-03, Vol.133 (3) |
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| container_title | Journal of fluids engineering |
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| creator | Hill, Matthew J Kunz, Robert F Medvitz, Richard B Handschuh, Robert F Long, Lyle N Noack, Ralph W Morris, Philip J |
| description | A computational fluid dynamics (CFD) method has been applied to gear configurations with and without shrouding. The goals of this work have been to validate the numerical and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage loss. Several spur gear geometries are considered, for which experimental data are available. Various canonical shrouding configurations and free spinning (no shroud) cases are studied. Comparisons are made with experimental data from open literature, and data recently obtained in the NASA Glenn Research Center Gear Windage Test Facility, Cleveland, OH. The results show good agreement with the experiment. The parametric shroud configuration studies carried out in the Glenn experiments and the CFD analyses elucidate the physical mechanisms of windage losses as well as mitigation strategies due to shrouding and newly proposed tooth contour modifications. |
| doi_str_mv | 10.1115/1.4003681 |
| format | Article |
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The goals of this work have been to validate the numerical and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage loss. Several spur gear geometries are considered, for which experimental data are available. Various canonical shrouding configurations and free spinning (no shroud) cases are studied. Comparisons are made with experimental data from open literature, and data recently obtained in the NASA Glenn Research Center Gear Windage Test Facility, Cleveland, OH. The results show good agreement with the experiment. The parametric shroud configuration studies carried out in the Glenn experiments and the CFD analyses elucidate the physical mechanisms of windage losses as well as mitigation strategies due to shrouding and newly proposed tooth contour modifications.</description><identifier>ISSN: 0098-2202</identifier><identifier>EISSN: 1528-901X</identifier><identifier>DOI: 10.1115/1.4003681</identifier><identifier>CODEN: JFEGA4</identifier><language>eng</language><publisher>New York, NY: ASME</publisher><subject>Applied sciences ; Drives ; Exact sciences and technology ; Flows in Complex Systems ; Fluid dynamics ; Fundamental areas of phenomenology (including applications) ; Gears ; General theory ; Mechanical engineering. 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Fluids Eng</addtitle><description>A computational fluid dynamics (CFD) method has been applied to gear configurations with and without shrouding. The goals of this work have been to validate the numerical and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage loss. Several spur gear geometries are considered, for which experimental data are available. Various canonical shrouding configurations and free spinning (no shroud) cases are studied. Comparisons are made with experimental data from open literature, and data recently obtained in the NASA Glenn Research Center Gear Windage Test Facility, Cleveland, OH. The results show good agreement with the experiment. The parametric shroud configuration studies carried out in the Glenn experiments and the CFD analyses elucidate the physical mechanisms of windage losses as well as mitigation strategies due to shrouding and newly proposed tooth contour modifications.</description><subject>Applied sciences</subject><subject>Drives</subject><subject>Exact sciences and technology</subject><subject>Flows in Complex Systems</subject><subject>Fluid dynamics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Gears</subject><subject>General theory</subject><subject>Mechanical engineering. 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Machine design</topic><topic>Physics</topic><topic>Turbulent flows, convection, and heat transfer</topic><topic>Wakes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hill, Matthew J</creatorcontrib><creatorcontrib>Kunz, Robert F</creatorcontrib><creatorcontrib>Medvitz, Richard B</creatorcontrib><creatorcontrib>Handschuh, Robert F</creatorcontrib><creatorcontrib>Long, Lyle N</creatorcontrib><creatorcontrib>Noack, Ralph W</creatorcontrib><creatorcontrib>Morris, Philip J</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of fluids engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hill, Matthew J</au><au>Kunz, Robert F</au><au>Medvitz, Richard B</au><au>Handschuh, Robert F</au><au>Long, Lyle N</au><au>Noack, Ralph W</au><au>Morris, Philip J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CFD Analysis of Gear Windage Losses: Validation and Parametric Aerodynamic Studies</atitle><jtitle>Journal of fluids engineering</jtitle><stitle>J. Fluids Eng</stitle><date>2011-03-01</date><risdate>2011</risdate><volume>133</volume><issue>3</issue><issn>0098-2202</issn><eissn>1528-901X</eissn><coden>JFEGA4</coden><abstract>A computational fluid dynamics (CFD) method has been applied to gear configurations with and without shrouding. The goals of this work have been to validate the numerical and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage loss. Several spur gear geometries are considered, for which experimental data are available. Various canonical shrouding configurations and free spinning (no shroud) cases are studied. Comparisons are made with experimental data from open literature, and data recently obtained in the NASA Glenn Research Center Gear Windage Test Facility, Cleveland, OH. The results show good agreement with the experiment. The parametric shroud configuration studies carried out in the Glenn experiments and the CFD analyses elucidate the physical mechanisms of windage losses as well as mitigation strategies due to shrouding and newly proposed tooth contour modifications.</abstract><cop>New York, NY</cop><pub>ASME</pub><doi>10.1115/1.4003681</doi></addata></record> |
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| ispartof | Journal of fluids engineering, 2011-03, Vol.133 (3) |
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| language | eng |
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| source | ASME Transactions Journals (Current) |
| subjects | Applied sciences Drives Exact sciences and technology Flows in Complex Systems Fluid dynamics Fundamental areas of phenomenology (including applications) Gears General theory Mechanical engineering. Machine design Physics Turbulent flows, convection, and heat transfer Wakes |
| title | CFD Analysis of Gear Windage Losses: Validation and Parametric Aerodynamic Studies |
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