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Planetary gear sets power loss modeling: Application to wind turbines.

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Title: Planetary gear sets power loss modeling: Application to wind turbines.
Authors: Nutakor, Charles1 charles.nutakor@lut.fi, Kłodowski, Adam1, Sopanen, Jussi1, Mikkola, Aki1, Pedrero, José I.2
Source: Tribology International. Jan2017, Vol. 105, p42-54. 13p.
Subjects: Wind turbines, Planetary gearing, Mechanical loads, Lubrication & lubricants, Friction, Drag (Hydrodynamics)
Abstract: Power losses in any geared-transmission can be attributed to gear-mesh and bearing-contact frictional effects and the interaction of rolling element bearings and gears with the lubricating medium. In this paper, a composite power loss model combining a non-uniform load distribution model with a local friction coefficient at any point of contact and oil drag formulations has been developed. A design sensitivity study has been carried out that examines how the design parameters of planetary gear sets and bearings and lubricant properties influence performance. The accuracy of these models was assessed by comparing predicted results to published measured values taken from planetary gear sets and parallel axis gear set experiments. [ABSTRACT FROM AUTHOR]
Copyright of Tribology International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 119291913
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Planetary gear sets power loss modeling: Application to wind turbines.
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  Data: <searchLink fieldCode="AR" term="%22Nutakor%2C+Charles%22">Nutakor, Charles</searchLink><relatesTo>1</relatesTo><i> charles.nutakor@lut.fi</i><br /><searchLink fieldCode="AR" term="%22Kłodowski%2C+Adam%22">Kłodowski, Adam</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sopanen%2C+Jussi%22">Sopanen, Jussi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mikkola%2C+Aki%22">Mikkola, Aki</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pedrero%2C+José+I%2E%22">Pedrero, José I.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Tribology+International%22">Tribology International</searchLink>. Jan2017, Vol. 105, p42-54. 13p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Wind+turbines%22">Wind turbines</searchLink><br /><searchLink fieldCode="DE" term="%22Planetary+gearing%22">Planetary gearing</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+loads%22">Mechanical loads</searchLink><br /><searchLink fieldCode="DE" term="%22Lubrication+%26+lubricants%22">Lubrication & lubricants</searchLink><br /><searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br /><searchLink fieldCode="DE" term="%22Drag+%28Hydrodynamics%29%22">Drag (Hydrodynamics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Power losses in any geared-transmission can be attributed to gear-mesh and bearing-contact frictional effects and the interaction of rolling element bearings and gears with the lubricating medium. In this paper, a composite power loss model combining a non-uniform load distribution model with a local friction coefficient at any point of contact and oil drag formulations has been developed. A design sensitivity study has been carried out that examines how the design parameters of planetary gear sets and bearings and lubricant properties influence performance. The accuracy of these models was assessed by comparing predicted results to published measured values taken from planetary gear sets and parallel axis gear set experiments. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Tribology International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=119291913
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        Value: 10.1016/j.triboint.2016.09.029
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 42
    Subjects:
      – SubjectFull: Wind turbines
        Type: general
      – SubjectFull: Planetary gearing
        Type: general
      – SubjectFull: Mechanical loads
        Type: general
      – SubjectFull: Lubrication & lubricants
        Type: general
      – SubjectFull: Friction
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      – SubjectFull: Drag (Hydrodynamics)
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      – TitleFull: Planetary gear sets power loss modeling: Application to wind turbines.
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              Text: Jan2017
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