Some aspects of designing multirim composite flywheels

G. G. Portnov, C. E. Bakis, R. P. Emerson

Research output: Contribution to journalArticle

Abstract

Approximate volutions are given for stresses in a flexible cylindrical interlayer connecting concentric, rigid, cylindrical rims subjected to three loading cases: (i) rotation about the axis of symmetry; (ii) in-plane translation of the rims relative to each other; (in) out-of-plane rotation of the rims relative to each other. The solutions are important for the multiple filament-wound composite rims used in energy storage flywheels, where the elastomeric interlayer idea has been proposed as a means of preventing high radial tensile stresses, which would otherwise break down the rims at less than optimal speeds. The compliances associated with the second and third loading cases are also given, establishing a simple means of analysis of the critical vibration frequencies of multirim flywheel rotors.

Original languageEnglish (US)
Pages (from-to)397-408
Number of pages12
JournalMechanics of Composite Materials
Volume40
Issue number5
DOIs
StatePublished - Sep 1 2004

Fingerprint

flywheels
Flywheels
rims
Composite
Translation Planes
composite materials
Energy Storage
Composite materials
Concentric
Filament
Tensile stress
Compliance
Energy storage
Rotor
Breakdown
Rotors
Vibration
interlayers
Symmetry
energy storage

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Biomaterials
  • Mathematics(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Polymers and Plastics

Cite this

Portnov, G. G. ; Bakis, C. E. ; Emerson, R. P. / Some aspects of designing multirim composite flywheels. In: Mechanics of Composite Materials. 2004 ; Vol. 40, No. 5. pp. 397-408.
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Some aspects of designing multirim composite flywheels. / Portnov, G. G.; Bakis, C. E.; Emerson, R. P.

In: Mechanics of Composite Materials, Vol. 40, No. 5, 01.09.2004, p. 397-408.

Research output: Contribution to journalArticle

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