On a couple-stress Rivlin-Ericksen ferromagnetic fluid heated from below with varying gravity, rotation, magnetic field and suspended particles flowing through a porous medium

• Autorzy: Rahul , Sharma Naveen

Identyfikatory

DOI

10.2478/ijame-2022-0027

• Języki publikacji: EN

Abstrakty

EN

The thermal instability of a couple-stress Rivlin-Ericksen ferromagnetic fluid with varying gravity field, suspended particles, rotation and magnetic field flowing through a porous medium is investigated. The dispersion relation has been developed and solved analytically using the normal mode approach and linear stability theory. The effect of suspended particles, rotation, couple stress, permeability and magnetic field on the fluid layer has been investigated. For stationary conventions, it is found that suspended particles always have a destabilizing effect for λ>0 and a stabilizing effect for λ<0 and couple-stress, magnetic field and permeability of the medium have a stabilizing effect on the thermal instability under certain conditions. In the absence of the rotation couple-stress has a stabilizing effect if λ >0 and a destabilizing effect if λ<0. Rotation has a stabilizing effect if λ >0 and a destabilizing effect if λ<0. In the absence of rotation permeability has a stabilizing effect if λ<0 and a destabilizing effect if λ>0. Magnetisation always has a stabilizing effect ( λ>0 or λ<0).

Słowa kluczowe

EN

thermal instability; magnetic field; couple-stress fluid; ferromagnetic fluid; suspended particles

PL

niestabilność termiczna; pole magnetyczne; płyn ferromagnetyczny; naprężenie

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2022
• Tom: Vol. 27, no. 2
• Strony: 177--198
• Opis fizyczny: Bibliogr. 27 poz., rys., wykr.

Twórcy

autor

Rahul

• D.A.V. College, Muzaffarnagar, Uttar Pradesh- 251001, INDIA

autor

Sharma Naveen

• D.A.V. College, Muzaffarnagar, Uttar Pradesh- 251001, INDIA

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)