... thermophoresis and Brownian motion into consideration. This study also investigates how slip conditions and general thermal boundary conditions affect the stability properties of the system. Design/methodology/approach The linear instability theory is theoretically adopted, and the eigenvalue system...

...Paluru Sreedevi; P. Sudarsana Reddy Purpose This paper aims to numerically examine the impact of gyrotactic microorganisms and radiation on heat transport features of magnetic nanoliquid within a closed cavity. Thermophoresis, chemical reaction and Brownian motion are also considered in flow...

... with amplifying thermophoresis number values. Originality/value The research work carried out in this paper is original and no part is copied from others’ work. P. Sudarsana Reddy can be contacted at: suda1983@gmail.com 12 04 2023 09 07 2023 25 07 2023 © Emerald Publishing Limited...

.... Nanofluids Double diffusion Square enclosure Two-phase model Transport model Brownian diffusion Thermophoresis Diffusiophoresis Variable properties Square cavity C = Solute concentration; C* = Dimensionless solute concentration; d = Diameter...

... and thermophoresis force effects on the bioconvection heat transfer in a square cavity filled by both nanofluid and oxytactic microorganisms. Finite element method Nanofluid Thermophoresis Square cavity Brownian motion Bioconvection © Emerald Publishing Limited 2018 Emerald Publishing Limited...

... and thermophoresis are considered to be two important primary slip mechanisms in nanofluid. Pop et al. (2017) used the Buongiorno nanofluid model to investigate the natural convection in a partially heated 2Dy cavity. Sheikholeslami et al. (2014a) studied thermal behavior of free convective...

...Nadezhda S. Bondareva; Mikhail A. Sheremet; Hakan F. Öztop; Nidal Abu-Hamdeh Purpose The purpose of this paper is to study about the natural convection of water-based nanofluid in a partially open trapezoidal cavity under the influence of Brownian diffusion and thermophoresis. Design...

... in literature. It is assumed that among few, only Brownian motion and thermophoresis affect the slip mechanism to produce a relative velocity between the nanoparticles and the base fluid. The purpose of this paper is to study the effects of Brownian motion and thermophoresis in a square cavity by considering...

... Emerald Publishing Limited Licensed re-use rights only Thermophoresis Brownian motion Nanofluids Film boiling Nanoparticle migration c_p = specific heat (m²/s²K) d_p = nanoparticle diameter (m...

... the effects of Brownian motion and thermophoresis in the mathematical model. Design/methodology/approach The problem is formulated using the Oberbeck–Boussinesq and the standard boundary-layer approximations. The governing coupled non-linear partial differential equations for conservation of mass...

... and thermophoresis of added nanoparticles. The purpose of this paper is to analyze the influence of the Brownian motion and thermophoresis on natural convection heat and mass transfer boundary layer flow of nanofluids over a vertical cone with radiation. Design/methodology/approach Using similarity variables...

.... Pop can be contacted at: popm.ioan@yahoo.co.uk © Emerald Group Publishing Limited 2015 Nanofluid Magnetic field Natural convection Thermophoresis Brownian motion Trapezoidal cavity Roman letters A  aspect ratio parameter B   external...

... is used to avoid the checker-board solutions for the pressure. Findings – The numerical results are reported for the effect of Rayleigh number, solid volume fraction and both presence and absence of thermophoresis and Brownian motion effects. The numerical results show an improvement in heat...

... transport equations include the effects of Brownian motion and thermophoresis. By introducing new similarity transformations for velocity, temperature and nanoparticle volume fraction, the basic equations governing the flow, heat and mass transfer are reduced into highly non-linear ordinary differential...

.../implications – The model used for the nanofluid incorporates the effects of Brownian motion and thermophoresis. It is assumed that the cone surface is preamble for possible nanofluid wall suction/injection, under the condition of uniform heat and nanoparticles volume fraction fluxes. Originality/value...

... and thermophoresis. The obtained non‐similar differential equations were solved numerically by an efficient implicit finite‐difference method. A comparison with previously published work was done and the results were found to be in excellent agreement. The results focused on the effects of the buoyancy ratio...

... concentration profile with respect to Prandtl number is found to be similar. For a cold plate it is observed that the wall concentration increases with decrease in Prandtl number. © MCB UP Limited 1999 Finite differences Natural convection Thermophoresis Lower case symbols given...