...Pengxiang Sui; Yan Su; Liyong Sun Natural convective nanofluid flows immersed in oscillating magnetic fields are simulated with a sub-continuous nondimensional lattice Boltzmann model. The effective electrical conductivity model is built including coupled effects of nanoparticle concentrations...

... ρ v in 2 L 2 D (10) f =   64 Re This work also investigates Al 2 O 3 nanofluids within the DLMC to further optimize the thermal performance with higher thermal conductivity. The thermal conductivity, dynamic viscosity, density...

...Jingtao Dong; Qun Zheng; Ze Yuan; Chunhua Xiong; Jinmao Chen The flow and heat transfer characteristics of nanofluids in a square cavity were simulated using single-phase and mixed-phase flow models, and the simulation results were compared with the corresponding experimental values. The effects...

...N. Keerthi Reddy; M. Sankar; Bongsoo Jang This investigation is devoted to analyze the buoyancy-driven flow behavior and associated thermal dissipation rate in a nanofluid-filled annular region with five different single source-sink and three different dual source-sink arrangements along...

...Bivas Bhaumik; Satyasaran Changdar; Soumen De Operating fluids are always a significant factor for not achieving a good enough performance of heat transfer equipment and also for growing the energy costs. To resolve this issue, nanofluids are considered a potential choice for conventional heat...

...Shushant Shukla; Urvashi Gupta Triple-diffusive convection for nanofluids in which differences in density are derived because of triple diffusion process, i.e., with three diffusing components: nanoparticles, solute, and heat, using more realistic two temperature model with separate thermal energy...

...Vivek Gupta; Pradyumna Ghosh Quench front characteristics and flow physics have been observed for single jet impingement using de-ionized (DI) water and various oxide-based nanofluids. Quench front velocity, shape, intensities of sputtering, and postquench front phenomenon have been observed...

...Saptarshi Mandal; P. S. Ghoshdastidar In this paper, the local and average heat transfer coefficient enhancement or deterioration, and rise in pumping power in steady, laminar alumina–water, titania–water, and carbon nanotube (CNT)–water nanofluids flow in a horizontal circular tube subjected...

... are multilayer feed-forward neural network (MLFFNN), adaptive neuro-fuzzy inference system (ANFIS) and group method of data handling (GMDH) type neural network. Thermal resistance of the heat pipe (as a measure of thermal performance) is considered as the target. The results showed that using the nanofluids...

... of nanofluid (argon–copper), which contains the liquid argon as a base fluid surrounding the spherical or cylindrical NPs of copper. First, the thermal conductivity is calculated at temperatures 85, 85.5, 86, and 86.5 K and for different volume fractions ranging from 4.33% to 11.35%. Second, the number ΔN...

... literature, as well as for the data from this work. nanofluids mass transfer enhancement convective diffusion In the last few decades, several innovations have enabled the use of nanotechnology in various fields. In the context of transport phenomena, nanoparticles may be expected to behave...

...Ehsan Yakhshi-Tafti; Sanjida Tamanna; Howard Pearlman Most published studies compare the thermal performance of nanofluids to the corresponding base fluid on the basis of similar Reynolds numbers ( Re = U ¯ D h / ν , where D h is the hydraulic diameter...

.... Editor: W. Q. Tao. 14 11 2013 22 10 2014 25 11 2014 In the present work, the characteristic atmospheric saturated heat flux controlled pool boiling curves for zirconia–water and silver–water nanofluids have been reproduced by the coupled map lattice (CML) method using a two...

... density. In this study, flow boiling was investigated using water and nanofluids in a single rectangular microchannel at different heat fluxes. The observed change in flow regime transition revealed the effect of nanoparticles on the onset of nucleate boiling (ONB) and the onset of bubble elongation (OBE...

... 1.70789202 3.03362162 1.92729341 2.92395300 2 0.1 0.2 1.62126418 2.58126309 1.95635457 2.39868695 Figures 1–3 show the effects of the magnetic field M on the species concentration g ( η ), nanofluid velocity f ' ( η ) , and nanofluid temperature θ ' ( η...

.... Editor: Ali Ebadian. 07 05 2013 09 09 2014 In this paper, an analysis is made on the convective heat transfer of a nanofluid between two inclined parallel plates with a uniform heat flux boundary condition. The analytical solutions are obtained explicitly for the velocity...

...A. Tohidi; S. M. Hosseinalipour; Z. Ghasemi Monfared; A. S. Mujumdar Here, μ is fluid viscosity, which equals to μ w for water or μ nf for nanofluids, and D h is hydraulic diameter of channel. Equations of conservation of mass, momentum...

... that nanoparticles are in thermal equilibrium state and flowing at the same velocity of the base fluid. Following this, a single phase modeling approach has been adopted in the present study, and the governing equations for single phase flow are extended for nanofluids [ 30 , 39–42 ]. The thermophysical properties...

.... Editor: Andrey Kuznetsov. 18 06 2013 24 10 2013 The stagnation-point flow and heat transfer toward a stretching/shrinking sheet in a nanofluid containing gyrotactic microorganisms with suction are investigated. Using a similarity transformation, the nonlinear system of partial...

... 05 10 2013 This paper is devoted to the study of heat and mass transfer characteristics of some nanofluid flows past an infinite flat plate moving vertically. Some water-based nanofluids containing copper (Cu), silver (Ag), copper oxide (CuO), alumina (Al 2 O 3 ), and titanium oxide (TiO 2...