The effect of rotation on the onset of electrohydrodynamic instability of an elastico-viscous dielectric fluid layer

• Autorzy: Rana G. C. , Chand R. , Sharma V.

Identyfikatory

DOI

10.1515/bpasts-2016-0016

• Języki publikacji: EN

Abstrakty

EN

In this paper the combined effect of uniform rotation and AC electric field on the onset of instability in a horizontal layer of an elastico-viscous fluid stimulated by the dielectrophoretic force due to the variation of dielectric constant with temperature is studied. Walters’ (model B’) fluid model is used to describe rheological behaviour of an elastico-viscous fluid. The onset criterions for stationary and oscillatory convection are derived for the case of free-free boundaries. It is observed that Walters’ (model B’) fluid behaves like an ordinary Newtonian fluid and rotation has stabilizing influence whereas AC electric field has destabilizing influence on the stability of the system. The necessary condition for the occurrence of oscillatory convection is also obtained. The present results are in good agreement with the earlier published results.

Słowa kluczowe

EN

Walters' fluid; (model B’ fluid; rotation; AC electric field; electrohydrodynamics; viscosity; viscoelasticity

PL

rotacja; pole elektryczne; elektrohydrodynamika; lepkość; lepkosprężystość; płyn Waltersa; elasto-lepki płyn Waltersa

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2016
• Tom: Vol. 64, nr 1
• Strony: 143--149
• Opis fizyczny: Bibliogr. 27 poz., wykr.

Twórcy

autor

Rana G. C.

• Department of Mathematics, Sidharth Govt. College, Nadaun-177 005, Himachal Pradesh, India
• Visiting Faculty, Department of Mathematics, Apex Professional University, Pasighat, Arunachal Pradesh, India

autor

Chand R.

• Visiting Faculty, Department of Mathematics, Apex Professional University, Pasighat, Arunachal Pradesh, India
• Department of Mathematics, Government College Nurpur, Himachal Pradesh, India

autor

Sharma V.

• Department of Mathematics and Statistics, Himachal Pradesh University, Shimla, India

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.