Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss

Robert Francis Kunz, Matthew J. Hill, Kerrie J. Schmehl, Sean Michael McIntyre

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

This work, builds on the authors' recent CFD research on high speed gearbox windage loss [1-4]. There, 3D steady and unsteady, single phase simulations of spur gears were presented. Those studies served to elucidate some of the physics of windage losses, validate the methods and models employed against available experimental data, and explore design alternatives to mitigate windage loss. With this validated capability in hand, we have recently studied computationally two critical design relevant components of high speed gearbox aerodynamics: 1) The role of shrouds, widely used in rotorcraft transmission systems for windage loss mitigation, and 2) the role of lubricant transport, i.e., the multiphase flow resident in real gearboxes. Research findings and attendant recommended design guidance are reported in this paper.

Original languageEnglish (US)
Title of host publication68th American Helicopter Society International Annual Forum 2012
Pages1953-1963
Number of pages11
StatePublished - Aug 17 2012
Event68th American Helicopter Society International Annual Forum 2012 - Fort Worth, TX, United States
Duration: May 1 2012May 3 2012

Publication series

NameAnnual Forum Proceedings - AHS International
Volume3
ISSN (Print)1552-2938

Other

Other68th American Helicopter Society International Annual Forum 2012
CountryUnited States
CityFort Worth, TX
Period5/1/125/3/12

Fingerprint

Multiphase flow
Gears
Spur gears
Lubricants
Aerodynamics
Computational fluid dynamics
Physics

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Kunz, R. F., Hill, M. J., Schmehl, K. J., & McIntyre, S. M. (2012). Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss. In 68th American Helicopter Society International Annual Forum 2012 (pp. 1953-1963). (Annual Forum Proceedings - AHS International; Vol. 3).
Kunz, Robert Francis ; Hill, Matthew J. ; Schmehl, Kerrie J. ; McIntyre, Sean Michael. / Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss. 68th American Helicopter Society International Annual Forum 2012. 2012. pp. 1953-1963 (Annual Forum Proceedings - AHS International).
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abstract = "This work, builds on the authors' recent CFD research on high speed gearbox windage loss [1-4]. There, 3D steady and unsteady, single phase simulations of spur gears were presented. Those studies served to elucidate some of the physics of windage losses, validate the methods and models employed against available experimental data, and explore design alternatives to mitigate windage loss. With this validated capability in hand, we have recently studied computationally two critical design relevant components of high speed gearbox aerodynamics: 1) The role of shrouds, widely used in rotorcraft transmission systems for windage loss mitigation, and 2) the role of lubricant transport, i.e., the multiphase flow resident in real gearboxes. Research findings and attendant recommended design guidance are reported in this paper.",
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Kunz, RF, Hill, MJ, Schmehl, KJ & McIntyre, SM 2012, Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss. in 68th American Helicopter Society International Annual Forum 2012. Annual Forum Proceedings - AHS International, vol. 3, pp. 1953-1963, 68th American Helicopter Society International Annual Forum 2012, Fort Worth, TX, United States, 5/1/12.

Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss. / Kunz, Robert Francis; Hill, Matthew J.; Schmehl, Kerrie J.; McIntyre, Sean Michael.

68th American Helicopter Society International Annual Forum 2012. 2012. p. 1953-1963 (Annual Forum Proceedings - AHS International; Vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This work, builds on the authors' recent CFD research on high speed gearbox windage loss [1-4]. There, 3D steady and unsteady, single phase simulations of spur gears were presented. Those studies served to elucidate some of the physics of windage losses, validate the methods and models employed against available experimental data, and explore design alternatives to mitigate windage loss. With this validated capability in hand, we have recently studied computationally two critical design relevant components of high speed gearbox aerodynamics: 1) The role of shrouds, widely used in rotorcraft transmission systems for windage loss mitigation, and 2) the role of lubricant transport, i.e., the multiphase flow resident in real gearboxes. Research findings and attendant recommended design guidance are reported in this paper.

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Kunz RF, Hill MJ, Schmehl KJ, McIntyre SM. Computational studies of the roles of shrouds and multiphase flow in high speed gear windage loss. In 68th American Helicopter Society International Annual Forum 2012. 2012. p. 1953-1963. (Annual Forum Proceedings - AHS International).