نتایج جستجو برای: thermophoresis

تعداد نتایج: 659  

Journal: :Physical review letters 2012
Xavier Serey Sudeep Mandal Yih-Fan Chen David Erickson

Heat generation and its impact on DNA transport in the vicinity of an optofluidic silicon photonic crystal resonator are studied theoretically and experimentally. The temperature rise is measured to be as high as 57 K for 10 mW of input power. The resulting optical trapping and biomolecular sensing properties of these devices are shown to be strongly affected by the combination of buoyancy driv...

Journal: :Nanoscale 2014
Mingcheng Yang Rui Liu Marisol Ripoll Ke Chen

We propose a theoretical prototype of a micro-scale turbine externally driven by diffusive heat flux without the need for macroscopic particle flux, which is in sharp contrast to conventional turbines. The prototypes are described analytically and validated by computer simulations. Our results indicate that a micro-scale turbine composed of anisotropic blades can rotate unidirectionally in an e...

2015
Syahira Mansur Anuar Ishak Ioan Pop

The magnetohydrodynamic (MHD) stagnation point flow of a nanofluid over a permeable stretching/shrinking sheet is studied. Numerical results are obtained using boundary value problem solver bvp4c in MATLAB for several values of parameters. The numerical results show that dual solutions exist for the shrinking case, while for the stretching case, the solution is unique. A stability analysis is p...

Journal: :Trends in Sciences 2022

Magnetohydrodynamic (MHD) chemically reacting flow by Casson nanofluid bounded a stretched surface is analyzed. Convective conditions of transport phenomena, radiation and heat generation /absorption effects are discussed. Influence Brownian motion thermophoresis has been taken into account. This manuscript investigates the outcomes yield stress, thermophoresis, motion, magnetic parameter, Pran...

Journal: :Frontiers in Physics 2021

The impact of heat-absorbing viscoelastic nanofluidic flow along with a convectively heated porous Riga plate Cattaneo-Christov double flux was analytically investigated. Buongiorno model nanofluid implemented the diversity Brownian motion and thermophoresis. Making use transformations; PDE systems are altered into an ODE system. We homotopy analysis method to solve these analytically. reaction...

2012
R. A. Mohamed S. Z. Rida A. A. M. Arfa

In this paper, the problem of heat and mass transfer on the flow of non-Newtonian micropolar fluid with uniform suction/blowing, heat generation, radiation, thermophoresis and chemical reaction is presented and discussed. The Homotopy Analysis Method (HAM) is employed to compute an approximation to the solution of the system of nonlinear differential equations governing the problem. The effects...

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