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ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (16 download)
Download or read book Statistics of Particle Time-temperature Histories written by and published by . This book was released on 2012 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (96 download)
Download or read book Statistics of Particle Time-temperature Histories written by and published by . This book was released on 2014 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particles in non - isothermal turbulent flow are subject to a stochastic environment tha t produces a distribution of particle time - temperature histories. This distribution is a function of the dispersion of the non - isothermal (continuous) gas phase and the distribution of particles relative to that gas phase. In this work we extend the one - dimensional turbulence (ODT) model to predict the joint dispersion of a dispersed particle phase and a continuous phase. The ODT model predicts the turbulent evolution of continuous scalar fields with a model for the cascade of fluctuations to smaller sc ales (the 'triplet map') at a rate that is a function of the fully resolved one - dimens ional velocity field . Stochastic triplet maps also drive Lagrangian particle dispersion with finite Stokes number s including inertial and eddy trajectory - crossing effect s included. Two distinct approaches to this coupling between triplet maps and particle dispersion are developed and implemented along with a hybrid approach. An 'instantaneous' particle displacement model matches the tracer particle limit and provide s an accurate description of particle dispersion. A 'continuous' particle displacement m odel translates triplet maps into a continuous velocity field to which particles respond. Particles can alter the turbulence, and modifications to the stochastic rate expr ession are developed for two - way coupling between particles and the continuous phase. Each aspect of model development is evaluated in canonical flows (homogeneous turbulence, free - shear flows and wall - bounded flows) for which quality measurements are ava ilable. ODT simulations of non - isothermal flows provide statistics for particle heating. These simulations show the significance of accurately predicting the joint statistics of particle and fluid dispersion . Inhomogeneous turbulence coupled with the in fluence of the mean flow fields on particles of varying properties alter s particle dispersion. The joint particle - temperature dispersion leads to a distribution of temperature histories predicted by the ODT . Predictions are shown for the lower moments an d the full distributions of the particle positions, particle - observed gas temperatures and particle temperatures. An analysis of the time scales affecting particle - temperature interactions covers Lagrangian integral time scales based on temperature autoco rrelations, rates of temperature change associated with particle motion relative to the temperature field and rates of diffusional change of temperatures. These latter two time scales have not been investigated previously; they are shown to be strongly in termittent having peaked distributions with long tails. The logarithm of the absolute value of these time scales exhibits a distribution closer to normal. A cknowledgements This work is supported by the Defense Threat Reduction Agency (DTRA) under their Counter - Weapons of Mass Destruction Basic Research Program in the area of Chemical and Biological Agent Defeat under award number HDTRA1 - 11 - 4503I to Sandia National Laboratories. The authors would like to express their appreciation for the guidance provi ded by Dr. Suhithi Peiris to this project and to the Science to Defeat Weapons of Mass Destruction program.
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ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (96 download)
Download or read book Statistics of Particle Time-Temperature Histories in Turbulent Reacting Flows written by and published by . This book was released on 2013 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mustafa Ozilgen
Publisher : CRC Press
ISBN 13 : 9789056991425
Total Pages : 546 pages
Book Rating : 4.9/5 (914 download)
Download or read book Handbook of Food Process Modeling and Statistical Quality Control written by Mustafa Ozilgen and published by CRC Press. This book was released on 1998-09-16 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamental techniques of mathematical modeling of processes essential to the food industry are explained in this text. Instead of concentrating on detailed theoretical analysis and mathematical derivations, important mathematical prerequisites are presented in summary tables. Readers' attention is focused on understanding modeling techniques, rather than the finer mathematical points. Topics covered include modeling of transport phenomena, kinetic processes, and food engineering operations. Statistical process analysis and quality control as applied to the food industry are also discussed. The book's main feature is the large number of worked examples presented throughout. Included are examples from almost every conceivable food process, most of which are based on real data given in the many references. Each example is followed by a clear, step- by-step worked solution.
Author : Frank Lisker
Publisher : Geological Society of London
ISBN 13 : 9781862392854
Total Pages : 364 pages
Book Rating : 4.3/5 (928 download)
Download or read book Thermochronological Methods written by Frank Lisker and published by Geological Society of London. This book was released on 2009 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermochronology - the use of temperature-sensitive radiometric dating meth-ods to reconstruct the thermal histories of rocks - has proved to be an important means of constraining a wide variety of geological processes. Fission track and (U-Th)/He analyses of apatites, zircons and titanites are the best-established methods for reconstructing such histories over time scales of millions to hun-dreds of millions of years. The papers published in this volume are divided into two sections. The first sec-tion on 'New approaches in thermochronology', presents the most recent ad-vances of existing thermochronological methods and demonstrates the progress in the development of alternative thermochronometers and modelling tech-niques. The second section, 'Applied thermochronology', comprises original papers about denudation, long-term landscape evolution and detrital sources from the European Alps, northwestern Spain, the Ardennes, the Bohemian Massif, Fenno-scandia and Corsica. It also includes case studies from the Siberian Altai, Mozam-bique, South Africa and Dronning Maud Land (East Antarctica) and reports an ancient thermal anomaly within a regional fault in Japan.
Author : Jerry Bevans
Publisher : Elsevier
ISBN 13 : 0323142117
Total Pages : 876 pages
Book Rating : 4.3/5 (231 download)
Download or read book Thermal Design Principles of Spacecraft and Entry Bodies written by Jerry Bevans and published by Elsevier. This book was released on 2012-12-02 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in Astronautics and Aeronautics, Volume 21: Thermal Design Principles of Spacecraft and Entry Bodies is a collection of technical papers drawn mainly from the American Institute of Aeronautics and Astronautics Third Thermophysics Specialist Conference, held in Los Angeles, California on June 24-26, 1968 This volume is divided into three parts. The first part covers some aspects of thermal processes and design, including thermal analysis, convection, radiation, ablation, and space rocket effects. The second part surveys the remote measurements of the thermophysical and thermal radiation properties and joint conductance, which are critical criteria for space thermal design. The third part focuses on the space environmental effects on thermal coatings. This part deals first with the theory of radiative degradation, followed by a presentation of the laboratory measurements. This part also looks into the results of several flight experiments. This book will be of great value to thermophysicists, space engineers, and designers who are working in the space science fields.
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ISBN 13 :
Total Pages : 1028 pages
Book Rating : 4.3/5 (91 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Martin Hertzberg
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)
Download or read book Coal Particle Pyrolysis Mechanisms and Temperatures written by Martin Hertzberg and published by . This book was released on 1988 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.3/5 (91 download)
Download or read book Research Reporting Series written by and published by . This book was released on 1978 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.3/5 (91 download)
Download or read book Summary Report written by and published by . This book was released on 1959 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth W. Ragland
Publisher : CRC Press
ISBN 13 : 1420092510
Total Pages : 552 pages
Book Rating : 4.4/5 (2 download)
Download or read book Combustion Engineering, Second Edition written by Kenneth W. Ragland and published by CRC Press. This book was released on 2011-06-15 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion Engineering, Second Edition maintains the same goal as the original: to present the fundamentals of combustion science with application to today’s energy challenges. Using combustion applications to reinforce the fundamentals of combustion science, this text provides a uniquely accessible introduction to combustion for undergraduate students, first-year graduate students, and professionals in the workplace. Combustion is a critical issue impacting energy utilization, sustainability, and climate change. The challenge is to design safe and efficient combustion systems for many types of fuels in a way that protects the environment and enables sustainable lifestyles. Emphasizing the use of combustion fundamentals in the engineering and design of combustion systems, this text provides detailed coverage of gaseous, liquid and solid fuel combustion, including focused coverage of biomass combustion, which will be invaluable to new entrants to the field. Eight chapters address the fundamentals of combustion, including fuels, thermodynamics, chemical kinetics, flames, detonations, sprays, and solid fuel combustion mechanisms. Eight additional chapters apply these fundamentals to furnaces, spark ignition and diesel engines, gas turbines, and suspension burning, fixed bed combustion, and fluidized bed combustion of solid fuels. Presenting a renewed emphasis on fundamentals and updated applications to illustrate the latest trends relevant to combustion engineering, the authors provide a number of pedagogic features, including: Numerous tables with practical data and formulae that link combustion fundamentals to engineering practice Concise presentation of mathematical methods with qualitative descriptions of their use Coverage of alternative and renewable fuel topics throughout the text Extensive example problems, chapter-end problems, and references These features and the overall fundamentals-to-practice nature of this book make it an ideal resource for undergraduate, first level graduate, or professional training classes. Students and practitioners will find that it is an excellent introduction to meeting the crucial challenge of engineering sustainable combustion systems in a cost-effective manner. A solutions manual and additional teaching resources are available with qualifying course adoption.
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ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.3/5 (91 download)
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1978 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993-02 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Panagiotis Grammelis
Publisher : Springer Science & Business Media
ISBN 13 : 1849963932
Total Pages : 247 pages
Book Rating : 4.8/5 (499 download)
Download or read book Solid Biofuels for Energy written by Panagiotis Grammelis and published by Springer Science & Business Media. This book was released on 2010-10-22 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fossil fuels are widely used for electricity generation and heating, creating greenhouse gas emissions and other toxic pollutants, which should be minimised according to the most recent environmental legislation. The utilisation of solid fuels with biogenic origin could contribute to the minimisation of these emissions. Solid Biofuels for Energy presents the current status of the engineering disciplines in this specific area, providing an improved background on the energy exploitation options of solid biomass. Within this framework, all thematic priorities related to the solid bioenergy potential and standardisation, commercialised and emerging energy technologies, and quality of solid residues are presented. Special attention has been given to biomass co-firing with coal, since it has the highest potential for commercial application, while combustion and gasification are more promising for units of medium to small scale. This strong practical focus is evident throughout the book, particularly in discussions of: • international standards for solid biofuel specifications; • supply, cost and sustainability of solid biofuels; • technical issues and non-technical barriers in biomass/coal co-firing; and • biomass combustion and gasification characteristics. Solid Biofuels for Energy is an informative reference, written for researchers and postgraduate students working in the field of biomass. It can also be a useful guide for chemical and mechanical engineers, involved in the environment and energy production sectors.
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Publisher : ASM International
ISBN 13 : 9780871708090
Total Pages : 1150 pages
Book Rating : 4.7/5 (8 download)
Download or read book Thermal Spray 2004 written by and published by ASM International. This book was released on 2004-01-01 with total page 1150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume representing the second International Thermal Spray Conference (May 2004, Osaka, Japan) contains 232 papers and 93 poster presentations. Arrangement is in sections on applications, characterization methods for coating properties, coating technologies for vehicle engines, cold spray, consumables for thermal spraying, corrosion protection, economics and quality, HVOF processes and materials, innovative equipment and process technology, modeling and simulation, nanostructured materials, photocatalytic materials, process diagnostics, protective coatings against wear and erosion, and thermal barrier coatings. No index is provided, but the included CD- ROM presumably contains the contents in a searchable format. Annotation :2004 Book News, Inc., Portland, OR (booknews.com).
Author : Ko Higashitani
Publisher : CRC Press
ISBN 13 : 1351730592
Total Pages : 681 pages
Book Rating : 4.3/5 (517 download)
Download or read book Powder Technology Handbook, Fourth Edition written by Ko Higashitani and published by CRC Press. This book was released on 2019-10-16 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fourth Edition of Powder Technology Handbook continues to serve as the comprehensive guide to powder technology and the fundamental engineering processes of particulate technology, while incorporating significant advances in the field in the decade since publication of the previous edition. The handbook offers a well-rounded perspective on powder technologies in gas and liquid phases that extends from particles and powders to powder beds and from basic problems to actual applications. This new edition features fully updated and new chapters written by a team of internationally distinguished contributors. All content has been updated and new sections added on. Powder Technology Handbook provides methodologies of powder and particle handling technology essential to scientific researchers and practical industrial engineers. It contains contemporary and comprehensive information on powder and particle handling technology that is extremely useful not only to newcomers but also to experienced engineers and researchers in the field of powder and particle science and technology.
Author : Donald Rapp
Publisher : Springer
ISBN 13 : 3030104664
Total Pages : 362 pages
Book Rating : 4.0/5 (31 download)
Download or read book Ice Ages and Interglacials written by Donald Rapp and published by Springer. This book was released on 2019-04-13 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed review of terminations of ice ages, including a very attractive theory based on dust deposits on ice sheets. While other books on ice ages are mostly short, popular, and non-technical, the only book that attempts to deal with the broad issues of what we know about past ice ages and why they occur is the book by Muller and MacDonald (M&M), published by Praxis. However, despite its many good features, this book suffers from an inordinate emphasis on spectral analysis, a lack of coverage of new data, and a very confusing sequence of chapters. As a result, the data and theory are so intimately entwined that it is difficult to separate one from the other. This volume provides an independent and comprehensive summary of the latest data, theories and analysis. This third edition of what has become the premier reference and sourcebook on ice ages addresses recent topics, and includes new references, new data, and a totally new, greatly expanded treatment of terminations of ice ages.
