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All Journal International Journal of Applied Power Engineering (IJAPE) Bulletin of Electrical Engineering and Informatics International Journal of Robotics and Control Systems Makara Journal of Technology
Kumar, Rakesh
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Makara Journal of Technology

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Heat Transfer Enhancement in Nanofluid Flows Augmented by Magnetic Flux Arjun, Kozhikkatil Sunil; Kumar, Rakesh
Makara Journal of Technology Vol. 27, No. 3
Publisher : UI Scholars Hub

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Abstract

Heat transfer enhancement could be realized using magnetohydrodynamics together with nanofluids specifically in flow micro-convection in a microtube, flow past a vertical porous plate, and square duct flow with discrete heat sources numerically. A critical value for the Rayleigh number, a maximum value for the magnetic field strength, a low Reynolds number, and volume concentrations exists for thermal enhancement to simulate nanofluid flow in a microtube. Heat transfer enhancement is observed with a reduction in the magnetic field strength in a flow past a heated porous vertical plate. Alumina nanofluid subjected to Hartmann number 10 can boost 81% enhancement in Nusselt number in a square duct at lower Reynolds number using three discrete heat sources under the impact of thermal and solutal buoyancy. A 4% increase in the cooling effect near the center of the last heat source in a nanofluid flow is of practical use in hot spot cooling.
Co-Authors Arjun, Kozhikkatil Sunil Bhardwaj, Yogesh Kaur, Parminder Panda, Babita Panda, Bhagabat Panda, Sampurna Raj, Ashish Shah, Owais Ahmad