Ii newtonian and nonnewtonian flow ibarz, albert, castellperez, elena, barbosa canovas, gustavo v. Heat transfer in intube flow of nonnewtonian fluids iowa state. Jan 12, 2017 a theoretical and computational study of the magneto hydrodynamic flow and free convection heat transfer in an electroconductive polymer on the external surface of a horizontal circular cylinder under radial magnetic field is presented. Heat transfer to magnetohydrodynamic nonnewtonian couple. Heat transfer in intube flow of nonnewtonian fluids. Nonnewtonian powerlaw fluid flow and heat transfer over a.
Electromagnetohydrodynamic flow and radiative heat transfer. Research article dual solutions of nonnewtonian casson fluid. Heat transfer coefficients from newtonian and nonnewtonian. Richardson non newtonian materials are encountered in virtually all of the chemical and process industries and a full understanding of their nature and flow characteristics is an essential requirement for engineers and scientists. The effects of thermal radiation and electrokinetics have been taken into account.
Heat transfer with nonnewtonian fluids is a vast topic given the wide range of fluids and flows of interest, and it cannot be covered in its vastness in this chapter. Heat transfer with non newtonian fluids is a vast topic given the wide range of fluids and flows of interest, and it cannot be covered in its vastness in this chapter. Newtonian results are presented on the problems of nonisothermal fluid. At the transition region boundaries, the correlation is consistent with laminar and turbulent flow correlations.
Flow of newtonian and nonnewtonian fluids in concentric and. Research article numerical investigation of nonnewtonian. The flow behavior indexes of the three non newtonian fluids used varied form 0. Internal flows are quite relevant in the scope of nonnewtonian fluid flows and heat transfer, with the pipe flow playing a leading role. Newtonian and nonnewtonian flow encyclopedia of life.
The book covers a broad range of topics from forced, natural and mixed convection without and with porous media. By means of a normalizing procedure, data for the complex case of transitional flow heat transfer to non. We take into consideration the porosity of medium and a uniform magnetic field. Heat transfer and entropy generation of nonnewtonian.
The effect of thermocapillarity on the flow and heat transfer in a thin liquid film was studied by dandapat et al. May 23, 2011 htri has begun a research program dedicated to non newtonian flows. However, the intricate flow and heat transfer problem over a non linearly stretching sheet with. Further theoretical work is recommended in both these areas. Dual solutions of nonnewtonian casson fluid flow and heat. Pdf nonnewtonian flow and heat transfer of pineapple juice. Recently, the flow and heat transfer characteristics of a non newtonian powerlaw fluid over a stretching surface in the presence ofradiation and slip condition at the surface is studied by mostafa 26. Pulsatile flow, nonnewtonian fluid, heat and mass transfer. Hydromagnetic flow and heat transfer in a williamson non. Laminar as well as turbulent flow heat transfer to non newtonian fluids have been treated and the criterion for transition from laminar to turbulent flow for natural convection has been established. Research article numerical investigation of non newtonian flow and heat transfer characteristics in rectangular tubes with protrusions yonghuixie,zheyuanzhang,zhongyangshen,anddizhang school of energy and power engineering, xi an jiaotong university, xi an, shaanxi, china correspondence should be addressed to yonghui xie. No general correlations exist for heat transfer in turbulent flow of a nonnewtonian fluid.
Various problems in laminar heat transfer to non newtonian fluids are also discussed and the effects of temperature dependent rheological properties and viscous dissipation are considered. The effect of such fluid properties on isothermal laminar flow in simple geometries is considered. Recently, the flow and heat transfer characteristics of a non newtonian powerlaw fluid over a stretching surface in the presence of radiation and slip condition at the surface is studied by mostafa26. A simple model is proposed for power law fluids based on the rabinowitschmooney formulation. Heat transfer to newtonian and nonnewtonian fluids in. Mhd effects on flow and heat transfer of a nonnewtonian.
In this regard the aim of this work is to investigate the steady boundary layer flow and combined heat and mass transfer of a non newtonian fluid over an inclined stretching sheet in presence of uniform magnetic field. For the steady flow of non newtonian casson fluid, more amount of wall mass suction through the porous sheet is required in comparison to that of newtonian fluid flow. A theoretical analysis of the laminar boundarylayer flow and heat transfer of powerlaw non newtonian fluids over a stretching sheet with the sheet velocity distribution of the form uwcxm and. Ii newtonian and nonnewtonian flow ibarz, albert, castellperez, elena, barbosacanovas, gustavo v. Heat and mass transfer on mhd flow of nonnewtonian fluid. The freesurface flow of non newtonian liquids in thin films is a widely occurring phenomenon in various industrial applications, for instance, in polymer and plastic fabrication, food processing, and coating equipment. The aim of the present work is to investigate the effect of mixed convection heat and mass transfer on pulsatile flow of a nonnewtonian fluid which is obeying the rheological equation of state due to reeeyrings stressstrain relation. The study of non newtonian flow and heat transfer in plate heat exchangers phes is of great importance for the food industry in order to provide useful correlations for equipment sizing and process design. Rotating disk flow, non newtonian fluid, porous medium, numerical solution, heat transfer.
The flow forced by the lorentz force, produced by the interaction of a vertical magnetic field and an externally. Pdf on jan 1, 2009, f t pinho and others published nonnewtonian heat transfer find, read and cite all the research you need on researchgate. The mhd flow of a conducting liquid between two non conducting parallel plates in the presence of a transverse magnetic field was studied by hartmann. Dual solutions of non newtonian casson fluid flow and heat transfer over an exponentially permeable shrinking sheet with viscous dissipation aurangzaib, 1 krishnendubhattacharyya, 2 md. Mhd, non newtonian flow, rotating channel, heat transfer. Motivated by the above studies, in this paper we have considered mhd flow of non newtonian rivlinericksen fluid past a semiinfinite moving porous plate. This chapter is devoted to heat transfer of nonnewtonian fluids but given the vastness of this topic it focuses on pipe flow after the presentation of the required. Magnetohydrodynamic boundary layer flow of nonnewtonian. All the above mentioned investigators confined their analyses to mhd flow and heat transfer over a linear stretching sheet. Tushar jain department of mechanical engineering, meerut institute of engineering and technology, meerut, india abstract.
Heat transfer coefficients from newtonian and nonnewtonian fluids. Heat transfer to magnetohydrodynamic nonnewtonian couple stress pulsatile flow between two parallel porous plates samuel olumide adesanyaa and oluwole daniel makindeb a department of mathematical sciences, redeemers university, redemption city, nigeria. By means of a new characteristic length scale, the square root of the crosssectional area, it is shown that dimensionless wall shear stress can be made a weak function of. Heat transfer to newtonian and nonnewtonian fluids in mechanically agitated vessel international journal of scientific engineering and technology research volume. For the flow of dilute suspensions of fibers in water in circular tubes substantial reductions in turbulent flow heat transfer have been reported in the literature at reynolds numbers up to 2. Some preliminary non newtonian results are presented on the problems of nonisothermal fluid flow pressure losses and heat transfer outside the laminar flow region. Laminar flow heat transfer analysis inside coiled tubes of. The williamson viscoelastic model is employed which is representative of certain industrial polymers. A theoretical analysis of the laminar boundarylayer flow and heat transfer of powerlaw nonnewtonian fluids over a stretching sheet with. Three components of mean velocity and the corresponding reynolds shear stresses have been measured in fully developed concentric and eccentric annulus flows of a newtonian fluid at bulk flow reynolds numbers of 8900 and 26600 and a weakly elastic shearthinning polymer at effective bulk flow reynolds numbers of 1150, 6200 and 9600. Nonnewtonian flow in the process industries sciencedirect. A non newtonian fluid is a fluid that does not follow newtons law of viscosity, i.
This study aimed to carry out experimental work to obtain, for newtonian and non newtonian fluids, heat transfer coefficients, at constant wall temperature as. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. In non newtonian fluids, viscosity can change when under force to either more liquid or more solid. Liquid impingement flow and heat transfer of a cone heat. Praveen babu we have considered the unsteady two dimensional mhd oscillatory flow of non newtonian fluid through a porous medium under the influence of uniform transverse. In this paper, the problem of flow and heat transfer characteristics of a non. Pdf flow and heat transfer of a nonnewtonian power law. Sep 22, 2008 nonnewtonian fluid flow in noncircular ducts and microchannels is examined. Laminar flow heat transfer analysis inside coiled tubes of newtonian and non newtonian fluids adr.
Newtonian fluids are correlated to a standard deviation of 17. Internal flows are quite relevant in the scope of non newtonian fluid flows and heat transfer, with the pipe flow playing a leading role. The steady flow of an incompressible viscous non newtonian electrically conducting fluid and heat transfer due to the rotation of an infinite disk are studied considering the hall effect. Non newtonian materials are encountered in virtually all of the chemical and process industries and a full understanding of their nature and flow characteristics is an essential requirement for engineers and scientists involved in their formulation and handling. Convective heat transfer and second law analysis of nonnewtonian. Encyclopedia of life support systems eolss summary rheology is the study of how fluids flow and solids deform when subjected to forces. This study presents an analytical solution, for fully developed nonnewtonian fluid flows in circular channels under isoflux thermal boundary conditions based on. This study aimed to carry out experimental work to obtain, for newtonian and nonnewtonian fluids, heat transfer coefficients, at constant wall temperature as. The final expression for nusselt number may be arranged. Various problems in laminar heat transfer to nonnewtonian fluids are also discussed and the effects of temperature dependent rheological properties and.
Various problems in laminar heat transfer to nonnewtonian fluids are also discussed and the effects of temperature dependent rheological properties and viscous dissipation are considered. The analysis explores many important aspects of flow and heat transfer of the aforesaid non newtonian fluid flow dynamics. In this study, convective heat transfer and entropy generation in newtonian and non newtonian fluid flows between parallelplates with velocity slip boundary condition were analytically investigated for both isoflux and isothermal thermal boundary conditions. The present paper is focused on the study for the effects of constant heat generation and thermal buoyancy on the steady twodimensional flow and heat transfer of a nonnewtonian powerlaw fluid over a nonlinearly stretching vertical surface. Numerical investigation on heat transfer coefficient enhancement of non newtonian nanofluid in the turbulent flow inside a tube mohammad sharifi asl 1a, davood toghraie b, ahmad reza azimian c a msc student, khomeinishahr branch, islamic azad university, khomeinishahrisfahan, iran. Nonnewtonian conducting fluid flow and heat transfer due to. Laminar nonnewtonian fluid flow in noncircular ducts and. D oscillatory flow of non newtonian fluid through porous medium in parallel plate channel dr. On the other hand, investigations about fluid flow and heat transfer of nonnewtonian fluids 14 have been conducted widely. The objective of this work was to study the thermophysical and flow properties of pineapple juice and also the convective heat transfer coefficients in a phe. This problem deals with steady driven pressure flow and heat transfer of electromagnetohydrodynamic micropump of thirdgrade fluids between two microparallel plates embedded in a porous medium. Campos abstract this study aimed to carry out experimental work to obtain, for newtonian and nonnewtonian. The present paper is focused on the study for the effects of constant heat generation and thermal buoyancy on the steady twodimensional flow and heat transfer of a non newtonian powerlaw fluid over a non linearly stretching vertical surface. Similarity solutions for flow and heat transfer of non.