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Effect of Heat and Humidity on Wave propagation of the Axially Moving Nanoshells Conveying Magnetic Nanofluid Flow

S. Oveissi, M. Salehi, A. Ghassemi, S.A. Eftekhari and S. Ziaei-Rad

Journal of Petroleum Research, Volume 11, Issue 21, October 2022, Pages 187-221



In this study, the wave propagation in axially moving circular cylindrical carbon nanoshells transmitting magnetic nanofluid is investigated under three types of longitudinal, ambient, and simultaneous longitudinal-circumferential thermal and hygrothermal forces fields. The effect of magnetic nanofluid on wave dispersion is studied and considered using Knudsen and Hartman numbers. The equations governing the problem of nanofluid-nanostructure interaction under thermal and thermal humidity forces are derived using a new proposed model based on high-order shear deformation theory in cylindrical coordinates considering sinusoidal parameters and non-local elasticity utilizing Hamilton's principle and generalized Navier-Stokes equations. The results obtained by the analytical solution of the governing dynamic equations using the proposed model indicate a very good agreement compared with the obtained outcomes by the molecular dynamics simulations. In addition, the effect of changes in the densities of nanostructures and different nanofluids (liquid or gas) due to the applied thermal and hygrothermal fields, and the effects of the axial velocity of the nanostructure and the internal passing nanofluid on the scattering of phonons, phase velocity, and the natural frequency of the nanosystem are investigated.



A. Wave propagation; B. Axially moving circular cylindrical carbon nanoshells; C. Magnetic nanofluid; D. High-order shear deformation theory in cylindrical coordinates considering sinusoidal-non-local parameters; E. Thermal and hygrothermal fields


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