Download or read book Computational Analysis of Heat Transfer in Fluids and Solids II written by Oluwole Daniel Makinde and published by Trans Tech Publications Ltd. This book was released on 2020-05-28 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special issue on “Computational Analysis of Heat Transfer in Fluids and Solids II” in the journal “Defect and Diffusion Forum” addresses various nonlinear models involving heat transfer phenomenon in fluids and solids. Computational techniques are employed to analyze the engineering solutions in the area of heat and mass transfer and numerical results are discussed in order to demonstrate the salient features of practical engineering and industrial applications. The topics covered in this issue include: tribology, extended surfaces fins, reactive flow problem, Newtonian and non-Newtonian flow, nanofluids dynamics, boundary layer flow, natural convection, hydrodynamic stability, biomechanics, plasma physics, physics of dusty plasma, forced convection, mixed convection, magnetohydrodynamics, thermal radiation, flow in porous media, and irreversibility analysis.

Download or read book Computational Analysis of Heat Transfer in Fluids and Solids written by Oluwole Daniel Makinde and published by Trans Tech Publications Ltd. This book was released on 2018-09-20 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: The special issue on “Computational Analysis of Heat Transfer in Fluids and Solids” of the journal “Defect and Diffusion Forum” addresses various novel nonlinear models and computational techniques important for tackling the heat transfer phenomenon in fluids and solids. Numerical results are discussed quantitatively to illustrate the salient features of practical engineering and industrial applications. Topics covered by excellent research papers in this issue include: extended surfaces fins, reactive flow problem, Newtonian and non-Newtonian flow, nanofluids dynamics, boundary layer flow, natural convection, hydrodynamic stability, biomechanics, plasma physics, physics of dusty plasma, forced convection, mixed convection, magnetohydrodynamics, thermal radiation, porous media flow and irreversibility analysis. We anticipate that our special issue will stimulate and help a wide audience of researchers, engineers and educators from various fields of human activity.

Download or read book Discontinuous Finite Elements in Fluid Dynamics and Heat Transfer written by Ben Q. Li and published by Springer Science & Business Media. This book was released on 2006-06-29 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past several years, significant advances have been made in developing the discontinuous Galerkin finite element method for applications in fluid flow and heat transfer. Certain unique features of the method have made it attractive as an alternative for other popular methods such as finite volume and finite elements in thermal fluids engineering analyses. This book is written as an introductory textbook on the discontinuous finite element method for senior undergraduate and graduate students in the area of thermal science and fluid dynamics. It also can be used as a reference book for researchers and engineers who intend to use the method for research in computational fluid dynamics and heat transfer. A good portion of this book has been used in a course for computational fluid dynamics and heat transfer for senior undergraduate and first year graduate students. It also has been used by some graduate students for self-study of the basics of discontinuous finite elements. This monograph assumes that readers have a basic understanding of thermodynamics, fluid mechanics and heat transfer and some background in numerical analysis. Knowledge of continuous finite elements is not necessary but will be helpful. The book covers the application of the method for the simulation of both macroscopic and micro/nanoscale fluid flow and heat transfer phenomena.

Download or read book Computational Methods for Heat and Mass Transfer written by Pradip Majumdar and published by Taylor & Francis. This book was released on 2005-09-28 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of high-speed computers has encouraged a growing demand for newly graduated engineers to possess the basic skills of computational methods for heat and mass transfer and fluid dynamics. Computational fluid dynamics and heat transfer, as well as finite element codes, are standard tools in the computer-aided design and analysis of processe

Download or read book The Finite Element Method in Heat Transfer and Fluid Dynamics written by J. N. Reddy and published by CRC Press. This book was released on 2010-04-06 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Computational Fluid Dynamics (CFD) and Computational Heat Transfer (CHT) evolve and become increasingly important in standard engineering design and analysis practice, users require a solid understanding of mechanics and numerical methods to make optimal use of available software. The Finite Element Method in Heat Transfer and Fluid Dynamics, Th

Download or read book Physical and Computational Aspects of Convective Heat Transfer written by T. Cebeci and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is concerned with the transport of thermal energy in flows of practical significance. The temperature distributions which result from convective heat transfer, in contrast to those associated with radiation heat transfer and conduction in solids, are related to velocity characteristics and we have included sufficient information of momentum transfer to make the book self-contained. This is readily achieved because of the close relation ship between the equations which represent conservation of momentum and energy: it is very desirable since convective heat transfer involves flows with large temperature differences, where the equations are coupled through an equation of state, as well as flows with small temperature differences where the energy equation is dependent on the momentum equation but the momentum equation is assumed independent of the energy equation. The equations which represent the conservation of scalar properties, including thermal energy, species concentration and particle number density can be identical in form and solutions obtained in terms of one dependent variable can represent those of another. Thus, although the discussion and arguments of this book are expressed in terms of heat transfer, they are relevant to problems of mass and particle transport. Care is required, however, in making use of these analogies since, for example, identical boundary conditions are not usually achieved in practice and mass transfer can involve more than one dependent variable.

Download or read book Engineering Fluid Flows and Heat Transfer Analysis II written by Houssem Laidoudi and published by Trans Tech Publications Ltd. This book was released on 2021-05-18 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special topic volume with invited peer reviewed papers only

Download or read book Advanced Computational Techniques for Heat and Mass Transfer in Food Processing written by Krunal Gangawane and published by CRC Press. This book was released on 2022-02-01 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational methods have risen as a powerful technique for exploring the system phenomena and solving real-life problems. Currently, there are two principle computational approaches for system analysis: continuous and discrete. In the continuous approach, the governing equations can be obtained by applying the fundamental laws, such as conservation of mass, momentum, and energy over an infinitesimal control volume. On the other hand, the discrete approach concentrates on mimicking the molecular movement within the system. Both approaches have pros and cons, and continuous development and improvement in the existing computational methods are ongoing. Advanced Computational Techniques for Heat and Mass Transfer in Food Processing provides, in a single source, information on the use of methods based on numerical and computational analysis as applied in food science and technology. It explores the use of various numerical/computational techniques for the simulation of fluid flow and heat and mass transfer within food products. Key Features: Explores various numerical techniques used for modeling and validation Describes the knowhow of numerical and computational techniques for food process operations Covers a detailed numerical or computational approach of the principles of heat and mass transfer in the food processing operation Discusses the detailed computational simulation procedure of the food operation Recent years have witnessed a rapid development in the field of computational techniques owing to its abundant benefit to the food processing industry. The relevance of advanced computational methods has helped in understanding the fundamental physics of thermal and hydrodynamic behavior that can provide benefits to the food processing industry in numerous applications. As a single information source for those interested in the use of methods based on numerical and computational analysis as applied in food science and technology, this book will ably serve any food academician or researcher in learning the advanced numerical techniques exploring fluid flow, crystallization, and other food processing operations.

Download or read book Computational Analysis of Canonical Problems Arising in the Interaction of Heated Particles and a Fluid written by Swetava Ganguli and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical simulations of turbulent solid-particle-laden flows are challenging due to the simultaneous occurring of multiple phenomena spanning widely different scales. Presence of heat transfer, which occurs when the particulate phase is irradiated with radiation, complicates this problem further. An important application of multiphase particle-in-gas flow is that of a solid-particle-based, solar-thermal receiver to convert solar energy to electrical energy. To this end, the Predictive Science Academic Alliance Program (PSAAP) II at Stanford University, focuses on advancing the state-of-the-art in large-scale, predictive simulations of irradiated particle-laden turbulence relevant to concentrated solar power (CSP) systems. The aim of this thesis is to design and analyze a hierarchical set of increasingly complex and physically representative canonical problems that involve the interaction of subsets of the aforementioned physical phenomena. This thesis is divided into two parts -- the first dealing with the interaction of a single heated particle with an initially quiescent flow; the second dealing with the interaction of heated particle(s) with an initially uniform flow. In part I, the temporal evolution of the initial shock front and the low Mach flow field produced behind the front due to the presence of a spherical, finite-size heat energy source in a gas is investigated. The source of energy could either be some internal heat source within the sphere or radiation heating the sphere assuming that the fluid is optically thin. This leads to either a Dirichlet or a Robin boundary condition on the surface of the sphere. When the source is internal, the assumption is that the time-scale of heating is much smaller than the diffusion time scale of the fluid. While the study of the sphere is of physical interest, the analogous problems of a uniformly heated infinitely long cylindrical wire and an infinite plate are also considered. These problems serve as model problems to study and quantify finite-size effects, non-Boussinesq effects and compressibility effects without making any assumptions on the amount of heat addition from the sphere into the fluid. The study encompasses heating regimes where the Boussinesq approximation holds and regimes where it breaks down. At small times after the boundary conditions are imposed, compressibility effects are significant and a strong shock wave forms. This shock wave weakens as it moves away from the source eventually leading to an acoustic wave as the pressure settles everywhere to the ambient value for sufficiently large times. The features of this shock wave are analyzed in detail. Following the shock wave, the fluid motion occurs at a much lower speed which allows for a low Mach number formulation of the Navier-Stokes equations. In this low Mach regime, the resulting nonlinear energy equation is solved analytically using the method of Homotopy Perturbation Expansion. This leads to a weak decoupling of finite-size effects and non-Boussinesq effects thereby allowing the quantification of the individual impacts of both phenomena on the total solution. In part II, fully resolved simulations are first used to quantify the effects of heat transfer in the absence of buoyancy on the drag of a spatially fixed heated spherical particle at low particle Reynolds numbers (Re) in the range 0.001 to 10, in a variable property fluid. This analysis is carried out without making any assumptions on the amount of heat addition from the sphere and thus encompasses both, the heating regime where the Boussinesq approximation holds and the regime where it breaks down. The particle is assumed to have a low Biot number, which means that the particle is uniformly at the same temperature and has no internal temperature gradients. Large deviations in the value of the drag coefficient as the temperature of the sphere increases are observed. When Re is less than 0.01, these deviations are explained using a low Mach perturbation analysis as irrotational corrections to a Stokes-Oseen base flow. Correlations for the drag and Nusselt number of a heated sphere are proposed for the range of Reynolds numbers from 0.001 to 10, which fit the computationally obtained values with less than 1% and 3% errors respectively. These drag and Nusselt number correlations can be used in simulations of gas-solid flows where the accuracy of the drag law affects the prediction of the overall flow behavior. Finally, an analogy to incompressible flow over a modified sphere is demonstrated. Then, fully resolved simulations are used to quantify the effects of heat transfer in the presence of buoyancy on the drag of a spatially fixed heated spherical particle at low Reynolds numbers in the range 0.001 to 10 in a variable property fluid with the same assumptions as outlined before. A non-dimensional number called Buoyancy Induced Viscous Reynolds Number, which is analogous to the Grashof number, is derived using scaling analysis. No assumptions are made on the magnitude of this number either. The effects of the orientation of gravity relative to the free-stream velocity are also examined. Under appropriate constraints on the Buoyancy Induced Viscous Reynolds Number and the Reynolds number, the total drag on a heated sphere in the presence of buoyancy is shown to be, within 10\% error, the linear superposition of the drag computed in two canonical setups: one being the setup studied in chapter 9 and the other being natural convection. To demonstrate the effect of the drag modification due to heat transfer and buoyancy, the settling time and the settling velocity of a falling particle is shown using the proposed correlations. Then, heated spherical particles in infinite periodic arrays are considered. Drag enhancement is observed as the distance between particles decreases. However, the ratio of the viscous drag to the pressure drag on the sphere remains very close to 2:1. Finally, the individual effect of inertial, thermal, and clustering corrections to Stokes drag is evaluated on three sets of particle clusters extracted from the state-of-the-art point-particle simulations of the PSAAP-II channel. When compared to the true drag experienced by these particles in these clusters (as evaluated from particle-resolved simulations), just using Stokes' drag formula results in up to 18\% error which can be reduced to less than 2\% if the corrections proposed in this thesis are accounted for.

Download or read book Theoretical Computational and Experimental Solutions to Thermo Fluid Systems written by Muthukumar Palanisamy and published by Springer Nature. This book was released on 2021-03-09 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the International Conference on Innovations in Thermo-Fluid Engineering and Sciences (ICITFES 2020). It covers topics in theoretical and experimental fluid dynamics, numerical methods in heat transfer and fluid mechanics, different modes of heat transfer, multiphase flow, fluid machinery, fluid power, refrigeration and air conditioning, and cryogenics. The book will be helpful to the researchers, scientists, and professionals working in the field of fluid mechanics and machinery, and thermal engineering.

Download or read book Fundamentals of the Finite Element Method for Heat and Fluid Flow written by Roland W. Lewis and published by John Wiley and Sons. This book was released on 2008-02-07 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat transfer is the area of engineering science which describes the energy transport between material bodies due to a difference in temperature. The three different modes of heat transport are conduction, convection and radiation. In most problems, these three modes exist simultaneously. However, the significance of these modes depends on the problems studied and often, insignificant modes are neglected. Very often books published on Computational Fluid Dynamics using the Finite Element Method give very little or no significance to thermal or heat transfer problems. From the research point of view, it is important to explain the handling of various types of heat transfer problems with different types of complex boundary conditions. Problems with slow fluid motion and heat transfer can be difficult problems to handle. Therefore, the complexity of combined fluid flow and heat transfer problems should not be underestimated and should be dealt with carefully. This book: Is ideal for teaching senior undergraduates the fundamentals of how to use the Finite Element Method to solve heat transfer and fluid dynamics problems Explains how to solve various heat transfer problems with different types of boundary conditions Uses recent computational methods and codes to handle complex fluid motion and heat transfer problems Includes a large number of examples and exercises on heat transfer problems In an era of parallel computing, computational efficiency and easy to handle codes play a major part. Bearing all these points in mind, the topics covered on combined flow and heat transfer in this book will be an asset for practising engineers and postgraduate students. Other topics of interest for the heat transfer community, such as heat exchangers and radiation heat transfer, are also included.

Download or read book Heat Transfer written by Aziz Belmiloudi and published by BoD – Books on Demand. This book was released on 2011-02-14 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few decades there has been a prolific increase in research and development in area of heat transfer, heat exchangers and their associated technologies. This book is a collection of current research in the above mentioned areas and describes modelling, numerical methods, simulation and information technology with modern ideas and methods to analyse and enhance heat transfer for single and multiphase systems. The topics considered include various basic concepts of heat transfer, the fundamental modes of heat transfer (namely conduction, convection and radiation), thermophysical properties, computational methodologies, control, stabilization and optimization problems, condensation, boiling and freezing, with many real-world problems and important modern applications. The book is divided in four sections : "Inverse, Stabilization and Optimization Problems", "Numerical Methods and Calculations", "Heat Transfer in Mini/Micro Systems", "Energy Transfer and Solid Materials", and each section discusses various issues, methods and applications in accordance with the subjects. The combination of fundamental approach with many important practical applications of current interest will make this book of interest to researchers, scientists, engineers and graduate students in many disciplines, who make use of mathematical modelling, inverse problems, implementation of recently developed numerical methods in this multidisciplinary field as well as to experimental and theoretical researchers in the field of heat and mass transfer.

Download or read book Numerical Analysis of Heat and Mass Transfer in Porous Media written by J.M.P.Q. Delgado and published by Springer Science & Business Media. This book was released on 2012-06-25 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of ‘Numerical Analysis of Heat and Mass Transfer in Porous Media’ is to provide a collection of recent contributions in the field of computational heat and mass transfer in porous media. The main benefit of the book is that it discusses the majority of the topics related to numerical transport phenomenon in engineering (including state-of-the-art and applications) and presents some of the most important theoretical and computational developments in porous media and transport phenomenon domain, providing a self-contained major reference that is appealing to both the scientists, researchers and the engineers. At the same time, these topics encounter of a variety of scientific and engineering disciplines, such as chemical, civil, agricultural, mechanical engineering, etc. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of professional colleagues.

Download or read book Convective Heat Transfer in Porous Media written by Yasser Mahmoudi and published by CRC Press. This book was released on 2019-11-06 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on heat transfer in porous media, this book covers recent advances in nano and macro’ scales. Apart from introducing heat flux bifurcation and splitting within porous media, it highlights two-phase flow, nanofluids, wicking, and convection in bi-disperse porous media. New methods in modeling heat and transport in porous media, such as pore-scale analysis and Lattice–Boltzmann methods, are introduced. The book covers related engineering applications, such as enhanced geothermal systems, porous burners, solar systems, transpiration cooling in aerospace, heat transfer enhancement and electronic cooling, drying and soil evaporation, foam heat exchangers, and polymer-electrolyte fuel cells.

Download or read book Proceedings written by Conference on Advanced Computational Methods in Heat Transfer and published by . This book was released on 1990 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advanced Computational Methods in Heat Transfer IX written by Bengt Sundén and published by WIT Press. This book was released on 2006 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat Transfer topics are commonly of a very complex nature. Often different mechanisms like heat conduction, convection, thermal radiation, and non-linear phenomena, such as temperature-dependent thermophysical properties, and phase changes occur simultaneously. New developments in numerical solution methods of partial differential equations and access to high-speed, efficient and cheap computers have led to dramatic advances during recent years. This book publishes papers from the Ninth International Conference on Advanced Computational Methods and Experimental Measurements in Heat and Mass Transfer, exploring new approaches to the numerical solutions of heat and mass transfer problems and their experimental measurement. Papers encompass a number of topics such as: Diffusion and Convection; Conduction; Natural and Forced Convection; Heat and Mass Transfer Interaction; Casting, Welding, Forging and other Processes; Heat Exchanges; Atmospheric Studies; Advances in Computational Methods; Modelling and Experiments; Micro and Nano Scale Heat and Mass Transfer; Energy Systems; Energy Balance Studies; Thermal Material Characterization; Applications in Biology; Applications in Ecological Buildings; Case Studies.

Download or read book Analysis Of Heat And Mass Transfer written by ECKERT and published by CRC Press. This book was released on 1986-03-01 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: