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TECHNICAL PAPERS

Effect of Temperature on Thermoelastic Instability in Thin Disks

[+] Author and Article Information
Coby L. Davis, Charles M. Krousgrill, Farshid Sadeghi

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Tribol 124(3), 429-437 (May 31, 2002) (9 pages) doi:10.1115/1.1396341 History: Received September 01, 2000; Revised April 04, 2001; Online May 31, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic of clutch model: (a) cross-sectional view; and (b) plan view.
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Structural boundary conditions
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Thermal boundary conditions (showing a diametral cross-section of the separator plate)
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Decomposition of axial temperature distribution and resulting loading into symmetric and anti-symmetric components: (a) axial temperature distribution; and (b) in-plane force and bending moment due to thermal loading.
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Variation of bulk temperature stability boundary with sliding speed (m=1 boundary appears outside the range of values given in the figure)
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Shape of the deformed plate associated with the various circumferential mode numbers: ω=25 rad/s.
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Conservative approximation of stability boundary
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Variation of critical temperature with friction material stiffness: ω=25 rad/s.
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Variation of temperature/speed stability boundary with friction material
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Variation of critical temperature with modulus of elasticity: ω=25 rad/s. (m=1 boundary appears outside the range of values given in the figure.)
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Variation of temperature/speed stability boundary with modulus of elasticity
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Variation of critical temperature with thermal conductivity: ω=25 rad/s. (m=1 boundary appears outside the range of values given in the figure.)
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Variation of temperature/speed stability boundary with thermal conductivity
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Variation of temperature/speed stability boundary with disk thickness
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Variation of critical temperature with thickness of separator plate: ω=25 rad/s. (m=1 boundary appears outside the range of values given in the figure.)

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