Hybrid lattice Boltzmann/Taguchi optimization approach for magnetohydrodynamic nanofluid natural convection in a hemisphere cavity | Zendy

Javad Alinegad | Zendy

Open Access

Hybrid lattice Boltzmann/Taguchi optimization approach for magnetohydrodynamic nanofluid natural convection in a hemisphere cavity

Author(s) -

Javad Alinegad

Publication year - 2017

Publication title -

thermal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.339

H-Index - 43

eISSN - 2334-7163

pISSN - 0354-9836

DOI - 10.2298/tsci170509217d

Subject(s) - natural convection , lattice boltzmann methods , nanofluid , materials science , taguchi methods , mechanics , orthogonal array , heat transfer , thermal , isothermal process , thermodynamics , physics , composite material

In the present work, heat transfer optimization for natural convection with MHD flow in the hemisphere enclosure embedded with a vertical isothermal cylinder is investigated using Taguchi method. The simulations were planned based on Taguchi's L25 orthogonal array with each trial performed under different magnetic field, heat source aspect ratio and particle volume fraction of nanofluid. The thermal lattice Boltzmann based on D3Q19 methods was purposed to simulate the flow and thermal fields. Signal-to-noise ratios analyses were carried out in order to determine the effects of process parameters and optimal factor settings. The present results provide a good approximation for choosing effective parameters of designing the thermal system.

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