Multi-plate dry clutch design and analysis for dual speed rotorcraft applications

Hans A. DeSmidt, Suren B. Rao, Edward C. Smith, Robert C. Bill

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

2 Scopus citations

Abstract

This paper describes the analysis and minimum weight design of a multi-disk clutch system for application in a two-speed rotorcraft transmission. The analysis and design method presented account for component stress limits and thermal requirements for a specified shift profile. The stress analysis is based on idealized structural models with closed-form stress field approximations for each clutch component including; centrifugal stress, torque and bending stress, axial clutch engagement loads and clutch disk thermal stresses. The clutch disk temperature rise and power dissipation are evaluated using a constant load torque clutch engagement model. The results show that the carbon-carbon clutch achieves significant weight savings compared with an equivalent steel clutch due to its higher allowable clutch temperature rise. The design procedure presented in this paper offers a rapid approach for overall sizing of multi-disk clutch systems.

Original languageEnglish (US)
Title of host publication56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624103421
DOIs
StatePublished - 2015
Event56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2015 - Kissimmee, United States
Duration: Jan 5 2015Jan 9 2015

Publication series

Name56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

Other

Other56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2015
CountryUnited States
CityKissimmee
Period1/5/151/9/15

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Architecture
  • Mechanics of Materials
  • Building and Construction

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  • Cite this

    DeSmidt, H. A., Rao, S. B., Smith, E. C., & Bill, R. C. (2015). Multi-plate dry clutch design and analysis for dual speed rotorcraft applications. In 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference). American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2015-0953