Heat transport of nano-micropolar fluid with an exponential heat source on a convectively heated elongated plate using numerical computation

PurposeThe study of novel exponential heat source phenomena across a flowing fluid with a suspension of microparticles and nanoparticles towards a convectively heated plate has been an open question. Therefore, the impact of the exponential heat source in the transport of nano micropolar fluid in th...

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Veröffentlicht in:Multidiscipline modeling in materials and structures Jg. 16; H. 5; S. 1295 - 1312
Hauptverfasser: Pattnaik, P.K, Mishra, S.R, Mahanthesh, B, Gireesha, B.J, Rahimi-Gorji, Mohammad
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Bingley Emerald Publishing Limited 07.09.2020
Emerald Group Publishing Limited
Schlagworte:
Boundary conditions
Chemical reactions
Conservation equations
Elongation
Energy conservation
Fluids
Heat transfer
Magnetic dipoles
Magnetic fields
Microparticles
Micropolar fluids
Nanoparticles
Numerical analysis
Ohmic dissipation
Partial differential equations
Physical properties
Polymer blends
Regression analysis
Researchers
Resistance heating
Reynolds number
Runge-Kutta method
Shear stress
Velocity
Viscoelasticity
Viscosity
Numerical simulations
Exponential heat source
Chemical reaction
Nanofluid
MHD
Micropolar fluid
Convective condition
ISSN:1573-6105, 1573-6113
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Zusammenfassung:PurposeThe study of novel exponential heat source phenomena across a flowing fluid with a suspension of microparticles and nanoparticles towards a convectively heated plate has been an open question. Therefore, the impact of the exponential heat source in the transport of nano micropolar fluid in the existence of magnetic dipole, Joule heating, viscous heating and convective condition effects has been analytically investigated. Influence of chemical reaction has also been exhibited in this discussion.Design/methodology/approachThe leading equations are constructed via conservation equations of transport, micro-rotation, energy and solute under the non-transient state situation. Suitable stretching transformations are used to transform the system of partial differential equations to ordinary. The transformed ODEs admit numerical solution via Runge–Kutta fourth order method along with shooting technique.FindingsThe effects of pertinent physical parameters characterizing the flow phenomena are presented through graphs and discussed. The inclusion of microparticles and nanoparticles greatly affects the flow phenomena. The impact of the exponential heat source (EHS) advances the heat transfer characteristics significantly compared to usual thermal-based heat source (THS). The thermal performance can be improved through the effects of a magnetic dipole, viscous heating, Joule heating and convective condition.Originality/valueThe effectiveness of EHS phenomena in the dynamics of nano micropolar fluid past an elongated plate which is convectively heated with regression analysis is for the first time investigated.
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ISSN:1573-6105
1573-6113
DOI:10.1108/MMMS-12-2018-0222