Evaluation of Effective Bulk Modulus of Oil in Automotive Hydraulic Dampers Effects of Cylinder Shell Elastic Deformation

Ill-Yeong Lee; Dan Dan Sun

doi:10.11499/sicep.2004.0_4_2

SICE Annual Conference 2004

DOI https://doi.org/10.11499/sicep.2004.0_4_2

Conference information

Host: The Society of Instrument and Control Engineers

Co-host: The IEEE Industrial Electronics Society, The IEEE Robotics and Automation Society, The IEEE Control Systems Society, The IEEE Systems, Man and Cybernetics Society, The Instrumentation, Systems, and Automation Society

Evaluation of Effective Bulk Modulus of Oil in Automotive Hydraulic Dampers

Effects of Cylinder Shell Elastic Deformation

*Ill-Yeong Lee, Dan Dan Sun

Author information

Keywords: bulk modulus, automotive damper, cylinder

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Pages 4

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Abstract

This paper presents a theoretical model of cylinder shell bulk modulus to achieve more accurate modeling of effective bulk modulus of oil in automotive hydraulic dampers. The theoretical model has been derived based on the elastic theory for thick-walled cylinder incorporating not only radial but longitudinal deformation. The new models on shell bulk modulus were examined through numerical computations.

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