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Numerical Investigation Of The Graetz Problem For Newtonian And Non Newtonian Flows In Circular Segment Ducts
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Book Synopsis Numerical Investigation of the Graetz Problem for Newtonian and Non-Newtonian Flows in Circular-segment Ducts by :
Download or read book Numerical Investigation of the Graetz Problem for Newtonian and Non-Newtonian Flows in Circular-segment Ducts written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical investigation was carried out to solve the full three-dimensional governing Navier-Stokes equations for steady laminar flow with heat transfer. The flow regime was considered to be hydrodynamically fully developed but thermally developing (also referred to as the classical Graetz problem). Both Newtonian and non-Newtonian fluids (described by a power law model) were analyzed. A circular-segmented duct cross section was chosen for the computational work. An algebraically generated computational grid was used that was orthogonal and uniform. All the dependent variables were stored in a non-staggered manner. The numerical work was based on the finite difference techniques using second order accurate discretization. Two commonly used thermal boundary conditions; constant wall temperature (T boundary condition) and constant wall heat flux (H1 boundary condition) were examined. For each of the above boundary conditions, analyses were carried out considering the flat wall to be adiabatic. For the case concerning Newtonian fluids, numerical solutions were obtained for different segment angles () for each boundary condition. The non-Newtonian fluids were analyzed by varying the flow behavior index (n) from zero to one to cover the spectrum of shear-thinning fluids. Heating of non-Newtonian fluids is of particular importance to food processing systems. However, excessive pumping demand precludes development of turbulence in tubular arrangements. So laminar flow prevails in heat transfer equipment handling non-Newtonian materials. A finite difference model was developed to simulate various scenarios of flow behavior index and segment angles. It is shown that the Nusselt number distribution along the walls is affected appreciably by the variation of the power law index as also by the segment angle of the duct. Results are presented and discussed for a range of power law indices and segment angles for the various boundary conditions. It was observed that increase in flow behavior index produces a lower convective heat transfer co-efficient. The concomitant friction factor also reduces as is shown.
Book Synopsis Laminar Flow Forced Convection in Ducts by : R. K. Shah
Download or read book Laminar Flow Forced Convection in Ducts written by R. K. Shah and published by Academic Press. This book was released on 2014-06-28 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laminar Flow Forced Convection in Ducts is a sourcebook for compact heat exchanger analytical data. This book describes the analytical solutions for laminar fluid flow and forced convection heat transfer in circular and noncircular pipes, including applicable differential equations and boundary conditions involving velocity and temperature problems of fluid flow. The book also discusses fluid flow—how much power is required to pump fluids through the heat exchanger, as well as the heat transfer—the determination of q" distribution, and the temperature of fluid and walls. The text also analyzes the coolant or heat transfer fluid flows in a nuclear power reactor composed of a bundle of circular section fuel rods located inside a round tube. R.A. Axford addresses fluid flow and heat transfers results for the rod bundle geometry in "Heat Transfer in Rod Bundles." The book also provides an overview and guidelines that can be used for the designer and the applied mathematician. This book is suitable for engineers working in electronics, aerospace, instrumentation, and biomechanics that use cooling or heating exchanges or solar collection systems.
Book Synopsis Transactions on Computational Science I by : C. J. Kenneth Tan
Download or read book Transactions on Computational Science I written by C. J. Kenneth Tan and published by Springer Science & Business Media. This book was released on 2008-04-25 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The LNCS journal Transactions on Computational Science reflects recent developments in the field of Computational Science, conceiving the field not as a mere ancillary science but rather as an innovative approach supporting many other scientific disciplines. The journal focuses on original high-quality research in the realm of Computational Science in parallel and distributed environments, encompassing the facilitating theoretical foundations and the applications of large-scale computations and massive data processing. It addresses researchers and practitioners in areas ranging from aerospace to biochemistry, from electronics to geosciences, from mathematics to software architecture, presenting verifiable computational methods, findings and solutions and enabling industrial users to apply techniques of leading-edge, large-scale, high performance computational methods. This inaugural volume is devoted to computer systems research with an emphasis on core computational science issues faced by researchers and industries today, and focusing on the development of novel computational techniques that are versatile and verifiable in a wide range of applications. The volume is divided into two parts. The five papers in Part 1 focus on the theme of information system design, and the four papers in Part 2 are concerned with specific computational science problems in the area of data processing.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Convective Heat Transfer in Porous Media by : Yasser Mahmoudi
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 366 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.
Book Synopsis A Numerical Study of Non-Newtonian Laminar Flow in Rectangular Ducts by : Lei Liu
Download or read book A Numerical Study of Non-Newtonian Laminar Flow in Rectangular Ducts written by Lei Liu and published by . This book was released on 1994 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Bioengineering by : Pier Andrea Serra
Download or read book Advances in Bioengineering written by Pier Andrea Serra and published by BoD – Books on Demand. This book was released on 2015-07-08 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technological approach and the high level of innovation make bioengineering extremely dynamic and this forces researchers to continuous updating. It involves the publication of the results of the latest scientific research. This book covers a wide range of aspects and issues related to advances in bioengineering research with a particular focus on innovative technologies and applications. The book consists of 13 scientific contributions divided in four sections: Materials Science; Biosensors. Electronics and Telemetry; Light Therapy; Computing and Analysis Techniques.
Download or read book Physics Briefs written by and published by . This book was released on 1987 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Non-Newtonian Flow in a Small Diameter Circular Duct by : David Riddock Bold
Download or read book Analysis of Non-Newtonian Flow in a Small Diameter Circular Duct written by David Riddock Bold and published by . This book was released on 1958 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical Chemical Engineering Abstracts by :
Download or read book Theoretical Chemical Engineering Abstracts written by and published by . This book was released on 1986 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Heat Transfer written by and published by Academic Press. This book was released on 1989-04-01 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Heat Transfer
Book Synopsis Engineering Rheology by : Roger I. Tanner
Download or read book Engineering Rheology written by Roger I. Tanner and published by OUP Oxford. This book was released on 2000-03-02 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book sets out to provide a guide, with examples, for those who wish to make predictions about the mechanical and thermal behaviour of non-Newtonian materials in engineering and processing technology. After an introductory survey of the field and a review of basic continuum mechanics, the radical differences between elongational and shear behaviour are shown. Two chapters, one based on a continuum approach and the other using microstructural approaches, lead to useful mathematical desriptions of materials for engineering applications. As examples of nearly-viscometric and nearly-elongational flows, there is a discussion of lubrication and related shearing flows, and fibre- spinning and film-blowing respectively. A long chapter is devoted to the important new field of computational rheology, and this is followed by chapters on stability and turbulence and the all-important temperature effects in flow. This new edition contains much new material not available in book form elsewhere-for example wall slip, suspension rheology, computational rheology and new results in stability theory.
Download or read book Mechanical Engineering written by and published by . This book was released on 1961 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transfer at Low Reynolds Number by : John E. Porter
Download or read book Heat Transfer at Low Reynolds Number written by John E. Porter and published by . This book was released on 1971 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transfer Reviews 1976-1986 by : E. R. G. Eckert
Download or read book Heat Transfer Reviews 1976-1986 written by E. R. G. Eckert and published by Wiley-Interscience. This book was released on 1990-03-23 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuing the annual review work started in 1954 at the University of Minnesota's Heat Transfer Laboratory, this prestigous volume collates the reviews from the International Journal of Heat and Mass Transfer from 1976 through 1986. Together with a comprehensive author and subject index, it provides the tools for continuous improvements in the efficiency of engineering devices, including the recent awareness of the necessity to conserve energy and to find new energy sources. As an invaluable guide for locating existing literature on important topics, this work helps engineers and students keep abreast of recent developments in specialized research areas.
Book Synopsis Non-Newtonian Flow in Ducts of Arbitrary Cross Section [microform] by : Chou, C. H. (Chee Haiang)
Download or read book Non-Newtonian Flow in Ducts of Arbitrary Cross Section [microform] written by Chou, C. H. (Chee Haiang) and published by National Library of Canada. This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-Newtonian Flow and Applied Rheology by : R. P. Chhabra
Download or read book Non-Newtonian Flow and Applied Rheology written by R. P. Chhabra and published by Elsevier. This book was released on 2011-04-08 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book bridges the gap between the theoretical work of the rheologist, and the practical needs of those who have to design and operate the systems in which these materials are handled or processed. It is an established and important reference for senior level mechanical engineers, chemical and process engineers, as well as any engineer or scientist who needs to study or work with these fluids, including pharmaceutical engineers, mineral processing engineers, medical researchers, water and civil engineers. This new edition covers a considerably broader range of topics than its predecessor, including computational fluid dynamics modelling techniques, liquid/solid flows and applications to areas such as food processing, among others. * Written by two of the world's leading experts, this is the only dedicated non-Newtonian flow reference in print. * Since first publication significant advances have been made in almost all areas covered in this book, which are incorporated in the new edition, including developments in CFD and computational techniques, velocity profiles in pipes, liquid/solid flows and applications to food processing, and new heat/mass transfer methods and models. * Covers both basic rheology and the fluid mechanics of NN fluids ? a truly self-contained reference for anyone studying or working with the processing and handling of fluids