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Effect of multiphase fluid and functionally graded density fluid on the stability of spinning partially-filled shells
, Article International Journal of Mechanical Sciences ; Volume 140 , 2018 , Pages 109-118 ; 00207403 (ISSN) ; Nikkhah Bahrami, M ; Dehghani Firouz Abadi, R ; Sharif University of Technology
Elsevier Ltd
2018
Abstract
The effect of a multiphase fluid, including an arbitrary number of liquid phases, and a functionally graded density fluid on the stability of rotating partially-filled cylindrical shells is investigated. The first-order shear shell theory is used for modeling the structural dynamics of the shell and a 2D model is introduced based on the Navier–Stokes equations, for fluid motion. The multiphase and the functionally graded density fluids are arranged according to the mass density in a steady state condition due to centrifugal forces. Using the boundary conditions between liquid phases and the boundary conditions of the fluid on the cylinder wall, the coupled fluid-structure system model is...