... of the fluid flow rate and temperature within the domain at the aforementioned parameters. Next, the research shows the details regarding an influence of the variable viscosity on the Nusselt numbers, maximum dimensionless stream function and temperature. The effect has been evaluated by plotting the time...

...Junaid Mehboob; R. Ellahi; Sadiq M. Sait; Noreen Sher Akbar Purpose This paper aims to optimize bioconvective heat transfer for magnetohydrodynamics Eyring–Powell nanofluids containing motile microorganisms with variable viscosity and porous media in ciliated microchannels. Design/methodology...

...Taimoor Salahuddin; Ali Haider; Metib Alghamdi Purpose The current investigation is communicated to analyze the characteristics of squeezed second grade nanofluid flow enclosed by infinite channel in the existence of both heat generation and variable viscosity. The leading non-linear energy...

... is to develop, a comprehensive mathematical model, motivated by the last of these applications, to explore the impact of variable viscosity and variable thermal conductivity characteristics in magnetohydrodynamic non-Newtonian nanofluid enrobing boundary layer flow over a horizontal circular cylinder...

...Felicita Almeida; B.J. Gireesha; P. Venkatesh; G.K. Ramesh Purpose This study aims to investigate the flow behavior of aluminum oxide–water nanofluid with variable viscosity flowing through the microchannel parallel with the ground, with low aspect ratio. The study focuses on the first and second...

... the efficiency of the solar thermal collectors. Originality/value The non-similar solution of Casson nanofluid due to a vertical nonlinear stretching sheet with variable viscosity and thermal conductivity is discussed in this work. Ankita Bisht can be contacted at: bishtankita2@gmail.com 08 08...

...Zahid Ahmed; Sohail Nadeem; Salman Saleem; Rahmat Ellahi Purpose The purpose of this paper is to present a novel model on the unsteady MHD flow of heat transfer in carbon nanotubes with variable viscosity over a shrinking surface. Design/methodology/approach The temperature-dependent viscosity...

...Abhishek Kumar Singh; A.K. Singh; S. Roy Purpose The purpose of the present study is to analyze the mixed convection water boundary layer flows over moving vertical plate with variable viscosity and Prandtl number. The non-linear partial differential equation governing the flow and thermal fields...

... for the first time. Two different models for variable viscosity are used. The feature of coated wire product is measured by the flow and heat transport occurring in the interior of dies. Therefore, an understanding of characteristics of polymers momentum, heat mass transfer and wall shear stress is of great...

... is implemented to solve the problem. MATHEMATICA software has been used to visualize the flow behavior. Findings It is observed that variable viscosity does not have a significant effect on velocity field and temperature distribution either in shrinking or stretching case. It is noticed that Maxwell...

... (Water) CuO C_p(J/kgK) 4,179 540 ρ (kg/m^{3) 997.1 6,500 K (W/mK) 0.613 18.0 β × 10−5 (1/K) 21 0.85 × 10−5 D_p (nm) 0.384 29 Nanofluids Natural convection Numerical results Variable viscosity C}...

...J. Rajakumar; P. Saikrishnan; A. Chamkha Purpose The purpose of this paper is to consider axisymmetric mixed convection flow of water over a sphere with variable viscosity and Prandtl number and an applied magnetic field. Design/methodology/approach The non-similar solutions have been obtained...

...Jawali C Umavathi; A J Chamkha; Syed Mohiuddin Purpose – The purpose of this paper is to investigate the effect of exponential viscosity-temperature relation, exponential thermal conductivity-temperature relation and the combined effects of variable viscosity and variable thermal conductivity...

... not been studied. Such fluid dynamical problems find important application in petroleum recovery. Dr Tirivanhu Chinyoka can be contacted at: tchinyok@vt.edu © Emerald Group Publishing Limited 2015 Variable viscosity Convective boundary conditions Finite difference method Reactive third...

...Sara Khamis; Daniel Oluwole Makinde; Yaw Nkansah-Gyekye Purpose – The purpose of this paper is to investigate the combined effects of buoyancy force and variable viscosity on unsteady flow and heat transfer of water-based nanofluid containing copper and alumina as nanoparticles through a porous...

... Emerald Group Publishing Limited 2011 Free convection Porous medium Heat transfer Mass transfer Non‐Darcy effect Conduction‐radiation interaction Variable viscosity Chemical reactions A=constant C=fluid concentration C_p...