THERMAL SCIENCE

International Scientific Journal

Ammar Mushtaq

,

Junaid Ahmad Khan

,

Meraj Mustafa

,

Tasawar Hayat

,

Ahmed Alsaedi

CONSEQUENCES OF CONVECTION-RADIATION INTERACTION FOR MAGNETITE-WATER NANOFLUID FLOW DUE TO A MOVING PLATE

ABSTRACT
Present paper examines the boundary-layer flow of magnetic nanofluid over a radiative plate moving in a uniform parallel free stream. Water is considered as the base fluid which is being filled with magnetite-Fe3O4 nanoparticles. Energy balance equation is formulated with non-linear radiation heat flux. Mathematical analysis is carried out through the famous Tiwari and Das model. Similarity approach is utilized to construct self-similar form of the governing differential system. Numerical computations are made through standard shooting method. Ferrofluid velocity is predicted to enhance upon increasing the nanoparticle volume fraction which contradicts with the available literature for non-magnetic nanofluids. It is found that Fe3O4-water ferrofluid has superior heat transfer coefficient than pure water. Results reveal that consideration of magnetic nanoparticles in water leads to better absorption of incident solar radiations. The well-known Blasius and Sakiadis flows are also explicitly analyzed from the present model.
KEYWORDS
ferrofluid, heat transfer, numerical treatment, non-linear radiation, Blasius problem
PAPER SUBMITTED: 2015-11-28
PAPER REVISED: 2016-07-26
PAPER ACCEPTED: 2016-07-27
PUBLISHED ONLINE: 2016-09-05
DOI REFERENCE: https://doi.org/10.2298/TSCI151128212M
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Issue 1, PAGES [443 - 451]
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Consequences of convection-radiation interaction for magnetite-water nanofluid flow due to a moving plate

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence