Dr. R. Sivakumar

Professor

Department of Physics

About
Research Area

Our theoretical research group is currently working in studying how magnetic field affects the flow and heat transfer properties of non-magnetic fluids and nanofluids. Apart from this, we also do research in frontier areas of nonlinear optics namely the understanding of pulse propagation in nonlinear optical media including those with negative refractive index. All these studies are executed by either analytical or numerical techniques that are contemporary to the subject area.

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Publications

Notable Publications

"On the quasi-static approximation in the finite magnetic Reynolds number magnetohydrodynamic flow past a circular cylinder. S Sarkar, S Ghosh, R Sivakumar, T.V.S Sekhar - European Journal of Mechanics-B 77 (2019) pp 259."

Role of higher-order nonlinearities in the instability spectra of two core oppositely directed saturated coupler. P Mohanraj and R. Sivakumar - Optik 192 (2019) art. 162904.

"Forced convection magnetohydrodynamic flow past a circular cylinder by considering the penetration of magnetic field inside it. S Ghosh, S Sarkar, R Sivakumar, TVS Sekhar. Numerical Heat Transfer - Part A 76 (2019), pp 32-49"

Full magnetohydrodynamic flow past a circular cylinder considering the penetration of magnetic field. S Ghosh, S Sarkar, R Sivakumar, TVS Sekhar. Physics of Fluids 30 (2018), art. 087102.

Study of directional control of heat transfer and flow control in the magnetohydrodynamic flow in cylindrical geometry. S Udhayakumar, AD Abin Reejesh, TVS Sekhar, R Sivakumar. International Journal of Heat and Fluid Flow 61 (2016), 482-498

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