Lattice Boltzmann simulation of heat transfer and fluid flow in a microchannel with nanofluids

Yang, Yue-Tzu; Lai, Feng-Hsiang

doi:10.1007/s00231-011-0786-8

Cited by 23 publications

(7 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Simulation of nanofluid flow using LBM has become an attractive topic for researchers at last few years [37,38]. Among these works, some are concerned with the investigation of nanofluid flow through a microchannel by LBM; however they all ignored the simulation of slip velocity and temperature jump by lattice Boltzmann method for the nanofluid [39,40,50,51].…”

Section: Introductionmentioning

confidence: 99%

New correlation for Nusselt number of nanofluid with Ag / Al 2 O 3 / Cu nanoparticles in a microchannel considering slip velocity and temperature jump by using lattice Boltzmann method

Karimipour

2015

International Journal of Thermal Sciences

129

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

New correlation for Nusselt number of nanofluid with Ag / Al 2 O 3 / Cu nanoparticles in a microchannel considering slip velocity and temperature jump by using lattice Boltzmann method

Karimipour

2015

International Journal of Thermal Sciences

129

View full text Add to dashboard Cite

“…Aminossadati and Ghasemi [15] have investigated water-CuO nanofluids, having the same findings of f and Ra as Aminossadati et al [15]. Lattice Boltzmann simulation of heat and fluid flow in a micro channel with water-Al 2 O 3 nanofluids was investigated by Yang and Lai [16]. They found that the average Nusselt number increased while the nanoparticle volume fraction was increased.…”

Section: Introductionmentioning

confidence: 86%

“…There has also been research conducted that is related to turbulent natural convection, such as the work is done by Markatos and Pericleous [5]. The work is about simulating laminar and turbulent buoyant-driven convection of air in a differentially-heated square cavity with Rayleigh numbers (Ra) ranging from 10 3 to 10 16 . Some experimental results have been collected by Beckermann and Viskanta [6], who did a combined study (numerical and experimental) of solid/ liquid phase change and natural convection in the melt region in a media that is porous.…”

Section: Introductionmentioning

confidence: 99%

Multiple-relaxation-time lattice Boltzmann simulation of free convection and irreversibility of nanofluid with variable thermophysical properties

et al. 2021

View full text Add to dashboard Cite

This numerical study demonstrates heat transfer and irreversibility or entropy generation of non-Newtonian power-law Al2O3-H2O (aluminum oxide-water) nanofluids in a square enclosure using multiple-relaxation-time lattice Boltzmann method accelerated by graphics processing unit computing. In this investigation, the effective thermal conductivity and viscosity are variables, and they depend on the fluid temperature and rate of strain, respectively. The enclosure’s left and right walls are uniformly heated with different temperatures, and the upper and lower walls are thermally adiabatic. There is no valid study and results on non-Newtonian fluid using multiple-relaxation-time lattice Boltzmann method for this configuration and hence the novelty of the present results have been ensured. This paper has formulated and appropriately validated the Newtonian and non-Newtonian natural convection problem with the available numerical results. This study includes a set of comprehensive simulations, showing the effects of these fluids’ natural convection by varying three key parameters: the Rayleigh number, the volume fraction of nanoparticles, and the power-law index on the streamlines, isotherms, local and average Nusselt number as well as the local and total entropy generation. The results show that increasing the volume fraction of the nanoparticles from 0% to 2%, the average rate of heat transfer and the total entropy generation increase 6.5% and 7.4%, respectively, while the Rayleigh number, Ra = 105 and the power-law index n = 0.6.

show abstract

“…Many studies analyzed the convective heat transfer characteristics of nanofluids in microchannel heat sink [3][4][5][6][7]. Li and Kleinstreuer [8] numerically studied CuO-water nanofluid flow in a trapezoidal microchannel.…”

Section: Introductionmentioning

confidence: 99%

Effect of Magnetic Field on Entropy Generation in a Microchannel Heat Sink with Offset Fan Shaped

Nasiri

Rashidi

Lorenzini

2015

Entropy

View full text Add to dashboard Cite

Abstract:In this study, convection flow in microchannel heat sink with offset fan-shaped reentrant cavities in sidewall filled with Fe 3 O 4 -water is numerically investigated. The effects of changing some parameters such as Reynolds number and magnetic field are considered. The nanofluid flow is laminar, steady and incompressible, while the thermo-physical properties of nanoparticles were assumed constant. A finite volume method and two phase mixture models were used to simulate the flow. The obtained results show that the frictional entropy generation increases as Reynolds number increases, while a reverse trend is observed for thermal entropy generation. By applying a non-uniform magnetic field, the entropy generation due to heat transfer decreases at first and then increases. When using the uniform magnetic field, the frictional entropy generation and thermal entropy generation is negligible. For all studied cases, the total entropy generation decreases using non-uniform magnetic fields. The results indicate that by increasing the magnetic field power, the total entropy generation decreases.

show abstract

Lattice Boltzmann simulation of heat transfer and fluid flow in a microchannel with nanofluids

Cited by 23 publications

References 31 publications

New correlation for Nusselt number of nanofluid with Ag / Al 2 O 3 / Cu nanoparticles in a microchannel considering slip velocity and temperature jump by using lattice Boltzmann method

New correlation for Nusselt number of nanofluid with Ag / Al 2 O 3 / Cu nanoparticles in a microchannel considering slip velocity and temperature jump by using lattice Boltzmann method

Multiple-relaxation-time lattice Boltzmann simulation of free convection and irreversibility of nanofluid with variable thermophysical properties

Effect of Magnetic Field on Entropy Generation in a Microchannel Heat Sink with Offset Fan Shaped

Contact Info

Product

Resources

About