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Numerical Investigation Of Heat Transfer And Fluid Flow In Tubes Induced With Twisted Tape Inserts
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Book Synopsis Numerical Investigation of Heat Transfer and Fluid Flow in Tubes Induced with Twisted Tape Inserts by : Taiwo Oluwasesan Oni
Download or read book Numerical Investigation of Heat Transfer and Fluid Flow in Tubes Induced with Twisted Tape Inserts written by Taiwo Oluwasesan Oni and published by . This book was released on 2015 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Investigation of Fluid Flow and Heat Transfer in Microchannel by :
Download or read book Numerical Investigation of Fluid Flow and Heat Transfer in Microchannel written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Numerical Investigation of Heat Transfer and Pressure Drop in Flow Through Spirally Fluted Tubes by : Vijayaraghavan Srinivasan
Download or read book Experimental and Numerical Investigation of Heat Transfer and Pressure Drop in Flow Through Spirally Fluted Tubes written by Vijayaraghavan Srinivasan and published by . This book was released on 1993 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Mechanics and Fluid Power, Volume 1 by : Krishna Mohan Singh
Download or read book Fluid Mechanics and Fluid Power, Volume 1 written by Krishna Mohan Singh and published by Springer Nature. This book was released on 2024-01-06 with total page 849 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select peer-reviewed proceedings of the 9th International and 49th National Conference on Fluid Mechanics and Fluid Power (FMFP 2022). This book brings together scientific ideas and engineering solutions put forth by researchers and practitioners from academia and industry in the important and ubiquitous field of fluid mechanics. The contents of this book focus on fundamental issues and perspective in fluid mechanics, measurement techniques in fluid mechanics, computational fluid and gas dynamics, instability, transition and turbulence, fluid-structure interaction, multiphase flows, microfluidics, bio-inspired fluid mechanics, aerodynamics, turbomachinery, propulsion and power and other miscellaneous topics in the broad domain of fluid mechanics. This book is a useful reference to researchers and professionals working in the broad field of mechanics.
Book Synopsis Numerical Prediction of Flow, Heat Transfer, Turbulence, and Combustion by : Dudley Brian Spalding
Download or read book Numerical Prediction of Flow, Heat Transfer, Turbulence, and Combustion written by Dudley Brian Spalding and published by Pergamon. This book was released on 1983 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inverse Heat Conduction and Heat Exchangers by : Suvanjan Bhattacharyya
Download or read book Inverse Heat Conduction and Heat Exchangers written by Suvanjan Bhattacharyya and published by BoD – Books on Demand. This book was released on 2020-12-02 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: A direct solution of the heat conduction equation with prescribed initial and boundary conditions yields temperature distribution inside a specimen. The direct solution is mathematically considered as a well-posed one because the solution exists, is unique, and continuously depends on input data. The estimation of unknown parameters from the measured temperature data is known as the inverse problem of heat conduction. An error in temperature measurement, thermal time lagging, thermocouple-cavity, or signal noise data makes stability a problem in the estimation of unknown parameters. The solution of the inverse problem can be obtained by employing the gradient or non-gradient based inverse algorithm. The aim of this book is to analyze the inverse problem and heat exchanger applications in the fields of aerospace, mechanical, applied mechanics, environment sciences, and engineering.
Book Synopsis Nanofluids for Heat Exchangers by : Hafiz Muhammad Ali
Download or read book Nanofluids for Heat Exchangers written by Hafiz Muhammad Ali and published by Springer Nature. This book was released on 2022-08-31 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the importance of heat transfer in heat exchangers, and fluids properties play a vital role to increase heat transfer rate translating the size of the equipment and cuts in the capital and running cost in the long term. Nanofluids applications in heat exchangers will help to improve the thermophysical properties of the fluid and therefore heat transfer. And, this book explains the enhancing mechanisms of heat transfer by employing nanofluids in heat exchangers. A critical discussion will enable to estimate the pros and cons of such fluids in different types of heat exchangers. Prevailing working conditions for short- and long-term implementation of various types of nanofluids will be discussed and introduced to the readers. This book helps the researchers, scientist and academicians working in the domain to be able to get a comprehensive knowledge at one place regarding the preparation, properties, measurements, data reduction, characteristics and applications of nanofluids in heat exchangers.
Book Synopsis Numerical Simulation of Heat Exchangers by : W. J. Minkowycz
Download or read book Numerical Simulation of Heat Exchangers written by W. J. Minkowycz and published by CRC Press. This book was released on 2017-04-07 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with certain aspects of material science, particularly with the release of thermal energy associated with bond breaking. It clearly establishes the connection between heat transfer rates and product quality. The editors then sharply draw the thermal distinctions between the various categories of welding processes, and demonstrate how these distinctions are translated into simulation model uniqueness. The book discusses the incorporation of radiative heat transfer processes into the simulation model.
Book Synopsis Fluid Mechanics and Fluid Power (Vol. 3) by : Suvanjan Bhattacharyya
Download or read book Fluid Mechanics and Fluid Power (Vol. 3) written by Suvanjan Bhattacharyya and published by Springer Nature. This book was released on 2023-04-17 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the select proceedings of the 48th National Conference on Fluid Mechanics and Fluid Power (FMFP 2021) held at BITS Pilani in December 2021. It covers the topics such as fluid mechanics, measurement techniques in fluid flows, computational fluid dynamics, instability, transition and turbulence, fluid‐structure interaction, multiphase flows, micro- and nanoscale transport, bio-fluid mechanics, aerodynamics, turbomachinery, propulsion and power. The book will be useful for researchers and professionals interested in the broad field of mechanics.
Book Synopsis Experimental and Numerical Investigation of Turbulent Flow and Heat Transfer in Staggered Tube Bundles by : Knud Erik Meyer
Download or read book Experimental and Numerical Investigation of Turbulent Flow and Heat Transfer in Staggered Tube Bundles written by Knud Erik Meyer and published by . This book was released on 1994 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Insert Devices and Integral Roughness in Heat Transfer Enhancement by : Sujoy Kumar Saha
Download or read book Insert Devices and Integral Roughness in Heat Transfer Enhancement written by Sujoy Kumar Saha and published by Springer. This book was released on 2019-07-08 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief describes heat transfer and pressure drop in heat transfer enhancement by insert devices and integral roughness. The authors deal with twisted-tape insert laminar and turbulent flow in tubes and annuli in smooth tubes and rough tubes, segmented twisted-tape inserts, displaced enhancement devices, wire coil inserts, extended surface inserts and tangential injection devices. The articles also address transverse and helical integral rib roughness, corrugated tube roughness, 3D and 2D roughness, rod bundles, outside roughness for cross flow, non-circular channels, Reynolds analogy and similarity law, numerical simulation and predictive models. The book is ideal for professionals and researchers working with thermal management in devices.
Book Synopsis Numerical Simulation of Fully Developed Laminar Flow and Heat Transfer in Isothermal Helically Twisted Tubes with Elliptical Cross-sections by : Fady Bishara
Download or read book Numerical Simulation of Fully Developed Laminar Flow and Heat Transfer in Isothermal Helically Twisted Tubes with Elliptical Cross-sections written by Fady Bishara and published by . This book was released on 2010 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periodically fully-developed swirling laminar flows in twisted tubes with elliptical cross sections are numerically simulated. The tubes are helically twisted along the axis perpendicular to their cross-section. The helical twist geometry is described by the 180 degree twist ratio and the elliptical cross-section is described by the ellipse aspect ratio. The geometries considered for this study have twist ratios with values {3,4.5,6} and ellipse aspect ratios with values {0.3, 0.5, 0.7}. Constant-property flow with a nominal Prandtl number of 3 (e.g. water at 60 degree Celsius) and Reynolds numbers in the range 10 The analysis quantifies the improvement in the Nusselt number as well as the increase in friction factor in order to map the effective heat transfer enhancement due to the twisted-tube-geometry-induced swirl flows. To this effect, the numerical results are compared, for a given aspect ratio, with the case of a straight elliptical tube (i.e. twist ratio tends to infinity) for which well established correlations are available. The results were also compared with those of circular tubes with twisted tape inserts for any given twist ratio. Numerical results show that the friction factor and the Nusselt number are strong functions of the twist ratio, aspect ratio and the Reynolds number. The increase in the friction factor and Nusselt number is higher for more tightly twisted tubes and for tubes with a lower ellipse aspect ratio. For Reynolds numbers below 100, the heat transfer results do not deviate significantly from the straight-tube values, but at higher values of Re, significant enhancement in heat transfer is evident for all twist ratios considered here. For example, for tubes with aspect ratio alpha = 0.3 and a twist ratio y = 3, the enhancement of the Nusselt number relative to the straight tube Nusselt number Nu/Nu(y=infinity) = 2.7. For the same aspect ratio, but with a twist ratio $y=6$, the enhancement Nu/Nu(y=infinity) = 2. On the other hand, for nearly round cross sections (e.g. alpha = 0.7) and nearly straight tubes (e.g. y=6) the enhancement Nu/Nu(y=infinity) ~ 1; i.e. there is no enhancement. The friction factor and Nusselt number results provided in this paper will give practicing engineers the necessary data to integrate twisted elliptical tubes in various heat transfer applications.
Book Synopsis Heat Transfer by : Konstantin Volkov
Download or read book Heat Transfer written by Konstantin Volkov and published by BoD – Books on Demand. This book was released on 2018-06-27 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book focuses on new analytical, experimental, and computational developments in the field of research of heat and mass transfer phenomena. The generation, conversion, use, and exchange of thermal energy between physical systems are considered. Various mechanisms of heat transfer such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes are presented. Theory and fundamental research in heat and mass transfer, numerical simulations and algorithms, experimental techniques, and measurements as they applied to all kinds of applied and emerging problems are covered.
Book Synopsis Gas Turbine Heat Transfer and Cooling Technology, Second Edition by : Je-Chin Han
Download or read book Gas Turbine Heat Transfer and Cooling Technology, Second Edition written by Je-Chin Han and published by CRC Press. This book was released on 2012-11-27 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference for engineers and researchers, Gas Turbine Heat Transfer and Cooling Technology, Second Edition has been completely revised and updated to reflect advances in the field made during the past ten years. The second edition retains the format that made the first edition so popular and adds new information mainly based on selected published papers in the open literature. See What’s New in the Second Edition: State-of-the-art cooling technologies such as advanced turbine blade film cooling and internal cooling Modern experimental methods for gas turbine heat transfer and cooling research Advanced computational models for gas turbine heat transfer and cooling performance predictions Suggestions for future research in this critical technology The book discusses the need for turbine cooling, gas turbine heat-transfer problems, and cooling methodology and covers turbine rotor and stator heat-transfer issues, including endwall and blade tip regions under engine conditions, as well as under simulated engine conditions. It then examines turbine rotor and stator blade film cooling and discusses the unsteady high free-stream turbulence effect on simulated cascade airfoils. From here, the book explores impingement cooling, rib-turbulent cooling, pin-fin cooling, and compound and new cooling techniques. It also highlights the effect of rotation on rotor coolant passage heat transfer. Coverage of experimental methods includes heat-transfer and mass-transfer techniques, liquid crystal thermography, optical techniques, as well as flow and thermal measurement techniques. The book concludes with discussions of governing equations and turbulence models and their applications for predicting turbine blade heat transfer and film cooling, and turbine blade internal cooling.
Book Synopsis Fluid Mechanics, Heat Transfer, and Mass Transfer by : K. S. Raju
Download or read book Fluid Mechanics, Heat Transfer, and Mass Transfer written by K. S. Raju and published by John Wiley & Sons. This book was released on 2011-04-20 with total page 1422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This broad-based book covers the three major areas of Chemical Engineering. Most of the books in the market involve one of the individual areas, namely, Fluid Mechanics, Heat Transfer or Mass Transfer, rather than all the three. This book presents this material in a single source. This avoids the user having to refer to a number of books to obtain information. Most published books covering all the three areas in a single source emphasize theory rather than practical issues. This book is written with emphasis on practice with brief theoretical concepts in the form of questions and answers, not adopting stereo-typed question-answer approach practiced in certain books in the market, bridging the two areas of theory and practice with respect to the core areas of chemical engineering. Most parts of the book are easily understandable by those who are not experts in the field. Fluid Mechanics chapters include basics on non-Newtonian systems which, for instance find importance in polymer and food processing, flow through piping, flow measurement, pumps, mixing technology and fluidization and two phase flow. For example it covers types of pumps and valves, membranes and areas of their use, different equipment commonly used in chemical industry and their merits and drawbacks. Heat Transfer chapters cover the basics involved in conduction, convection and radiation, with emphasis on insulation, heat exchangers, evaporators, condensers, reboilers and fired heaters. Design methods, performance, operational issues and maintenance problems are highlighted. Topics such as heat pipes, heat pumps, heat tracing, steam traps, refrigeration, cooling of electronic devices, NOx control find place in the book. Mass transfer chapters cover basics such as diffusion, theories, analogies, mass transfer coefficients and mass transfer with chemical reaction, equipment such as tray and packed columns, column internals including structural packings, design, operational and installation issues, drums and separators are discussed in good detail. Absorption, distillation, extraction and leaching with applications and design methods, including emerging practices involving Divided Wall and Petluk column arrangements, multicomponent separations, supercritical solvent extraction find place in the book.
Book Synopsis Advances in Heat Transfer Enhancement by : Sujoy Kumar Saha
Download or read book Advances in Heat Transfer Enhancement written by Sujoy Kumar Saha and published by Springer. This book was released on 2016-04-23 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief addresses the phenomena of heat transfer enhancement. A companion edition in the SpringerBrief Subseries on Thermal Engineering and Applied Science to three other monographs including “Critical Heat Flux in Flow Boiling in Microchannels,” this volume is idea for professionals, researchers, and graduate students concerned with electronic cooling.
Book Synopsis Computational Modeling of Laminar Swirl Flows and Heat Transfer in Circular Tubes with Twisted-tape Inserts by :
Download or read book Computational Modeling of Laminar Swirl Flows and Heat Transfer in Circular Tubes with Twisted-tape Inserts 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 study is carried out to predict the velocity and temperature distributions in fully developed, constant property, laminar flows in tubes containing twisted-tape inserts. The tape inserts are characterized by the twist ratio y (ratio of 180ʻ twist pitch of the tape H to the tube inner diameter d), and the ratio of tape thickness d to the tube diameter, d / d . The swirl flow is simulated by following the helically twisted flow path in the partitioned tube represented by a semi-circular cross-section geometry. In this model, the tape thickness is neglected (d = 0), which is a reasonable first-order approximation as d / d? [10 -2] for most inserts used in practice. For the numerical solution of the velocity problem, the stream function and vorticity formulation is employed. The corresponding non-linear governing differential equations for the stream function, vorticity, axial velocity and temperature distributions are discretized using the finite control-volume method. This procedure essentially retains the conservative forms of the governing equations, and provides second-order discretization accuracy for the numerical solution. For the heat transfer problem both the uniform wall temperature (UWT) and uniform heat flux (UHF) boundary conditions at the tube wall are considered. In addition, two variations of the tape surface condition are considered, namely, uniform temperature and zero heat flux. These two cases model the tape as having infinite and zero fin efficiency, respectively. Results for the variations in the velocity and temperature fields with flow Reynolds number Re and tape twist ratio y are presented; the temperature distributions also reflects the influence of fluid Prandtl number Pr. The twisted-tape induced swirl flow field is characterized by a single longitudinal vortex that breaks up into two counter-rotating helical vortices with increasing Re or decreasing y . Correspondingly, both the friction factor f and Nusselt number Nu increase substantially; in the case of heat transfer, Nusselt number also increases with Pr. The results for f and Nu are found to agree very well with the respective Manglik and Bergles (1993) correlations. This verifies the scaling of swirl flow effects by the parameter Sw as proposed by them.
