Analysis of Effective Thermal Conductivity of Fibrous Materials

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722942113
Total Pages : 114 pages
Book Rating : 4.9/5 (421 download)

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Book Synopsis Analysis of Effective Thermal Conductivity of Fibrous Materials by : National Aeronautics and Space Administration (NASA)

Download or read book Analysis of Effective Thermal Conductivity of Fibrous Materials written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research is to gain a better understanding of the various mechanisms of heat transfer through fibrous materials and to gain insight into how fill-gas pressure influences the effective thermal conductivity. By way of first principles and some empiricism, two mathematical models are constructed to correlate experimental data. The data are obtained from a test series measuring the effective thermal conductivity of Nomex using a two-sided guarded hot-plate heater apparatus. Tests are conducted for certain mean temperatures and fill-gases over a range of pressures varying from vacuum to atmospheric conditions. The models are then evaluated to determine their effectiveness in representing the effective thermal conductivity of a fibrous material. The models presented herein predict the effective thermal conductivity of Nomex extremely well. Since the influence of gas conduction is determined to be the most influential component in predicting the effective thermal conductivity of a fibrous material, an improved representation of gas conduction is developed. Finally, some recommendations for extension to other random-oriented fiber materials are made concerning the usefulness of each model depending on their advantages and disadvantages. Futschik, Michael W. and Witte, Larry C. Unspecified Center ARAMID FIBERS; FABRICS; HEAT TRANSFER; INSULATION; MATHEMATICAL MODELS; PREDICTION ANALYSIS TECHNIQUES; THERMAL CONDUCTIVITY; FLIGHT CLOTHING; PROTECTIVE CLOTHING...

Analysis of Effective Thermal Conductivity of Fibrous Materials

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Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis Analysis of Effective Thermal Conductivity of Fibrous Materials by : Michael Wayne Futschik

Download or read book Analysis of Effective Thermal Conductivity of Fibrous Materials written by Michael Wayne Futschik and published by . This book was released on 1993 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conduction Heat Transfer Analysis in Composite Materials

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Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Conduction Heat Transfer Analysis in Composite Materials by : Lit S. Han

Download or read book Conduction Heat Transfer Analysis in Composite Materials written by Lit S. Han and published by . This book was released on 1980 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: With anticipated increased use of composite materials in aerospace structures and other applications, thermal properties of composites are needed as essential design information. In the past there was only scanty amount of research effort in thermal analysis of composites, as most of the work has been concerned with their mechanical properties. This report contains results from a rigorous analysis to determine steady-state effective thermal conductivities of fiber-matrix type of composites. The fibers bundled into twos are considered dispersed in a matrix of resin. The dispersion patterns of configurations considered are: (1) uni-directional fibers in a matrix, as the simplest geometry, and (2) 0.90 configuration in which two uni-directional tapes are overlaid at 90 degrees to each other. The method of analysis is to solve a two-region steady-state heat conduction equation either analytically or numerically. The analysis assumes a prior knowledge of the geometry of a composite and the constituents thermal conductivities.

Thermal and Moisture Transport in Fibrous Materials

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Publisher : Woodhead Publishing
ISBN 13 : 1845692268
Total Pages : 633 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Thermal and Moisture Transport in Fibrous Materials by : N Pan

Download or read book Thermal and Moisture Transport in Fibrous Materials written by N Pan and published by Woodhead Publishing. This book was released on 2006-10-30 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transfer of heat and moisture through textiles is vital to the manufacture and design of clothing, technical and protective textiles. Continued advances in textile processing technology, the growth of manufactured nonwovens and the application of nanotechnology have resulted in a wealth of research in order to characterise the behaviour of these materials. Thermal and moisture transport in fibrous materials provides a comprehensive guide of the technological developments and scientific understanding in this area.The first section summarises the structure, geometry and stereology of fibrous materials. The fundamentals of wetting and its dynamics are also discussed. Part two analyses thermal and liquid interactions in textiles and offers insights into the thermodynamic behaviour of moisture as well as heat and moisture coupling. The book concludes with chapters on the human thermoregulatory system, interfacing between fibrous materials and the human body and innovative computer modelling simulations.Thermal and moisture transport in fibrous materials is an essential reference for all those involved in the textile industry, especially those concerned with the design and manufacture of technical textiles and protective clothing. - Summarises the structure, geometry and stereology of fibrous materials - Discusses the fundamentals of wetting and its dynamics - Analyses thermal and liquid interactions in textiles

Methods of Determining Thermal Conductivity of Fibrous Masses

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Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Methods of Determining Thermal Conductivity of Fibrous Masses by :

Download or read book Methods of Determining Thermal Conductivity of Fibrous Masses written by and published by . This book was released on 1953 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Study on Effective Thermal Conductivity of Fiber Assembly

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Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Experimental Study on Effective Thermal Conductivity of Fiber Assembly by : T. Fujimoto

Download or read book Experimental Study on Effective Thermal Conductivity of Fiber Assembly written by T. Fujimoto and published by . This book was released on 1989 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Conductivity 20

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Publisher : Springer Science & Business Media
ISBN 13 : 1461307619
Total Pages : 422 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Thermal Conductivity 20 by : J.R., Jr. Thomas

Download or read book Thermal Conductivity 20 written by J.R., Jr. Thomas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Thermal Conductivity Conference was started in 1961 with the initiative of Mr. Charles F. Lucks and grew out of the needs of researchers in the field. The Conferences were held annually from 1961 to 1973 and have been held biennially since 1975 when our Center for Informa tion and Numerical Data Analysis and Synthesis (CINDAS) of Purdue University became the Permanent Sponsor of the Conferences. -These Conferences provide a broadly based forum for researchers actively working on the thermal con ductivity and closely related properties to convene on a regular basis to exchange their ideas and experiences and report their findings and results. The Conferences have been self-perpetuating and are an example of how a technical community with a common purpose can transcend the invisible. arti ficial barriers between disciplines and gather together in increasing num bers without the need of national publicity and continuing funding support. when they see something worthwhile going on. It is believed that this ser ies of Conferences not only will grow stronger. but will set an example for researchers in other fields on how to jointly attack their own problem areas.

Thermal Conductivity 22

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Publisher : CRC Press
ISBN 13 : 9781566761727
Total Pages : 1022 pages
Book Rating : 4.7/5 (617 download)

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Book Synopsis Thermal Conductivity 22 by : Timothy W. Tong

Download or read book Thermal Conductivity 22 written by Timothy W. Tong and published by CRC Press. This book was released on 1994-06-08 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effective Thermal Conductivity of High Temperature Insulations for Reusable Launch Vehicles

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Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Effective Thermal Conductivity of High Temperature Insulations for Reusable Launch Vehicles by : Kamran Daryabeigi

Download or read book Effective Thermal Conductivity of High Temperature Insulations for Reusable Launch Vehicles written by Kamran Daryabeigi and published by . This book was released on 1999 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Conductivity 29

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Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Thermal Conductivity 29 by : John R. Koenig

Download or read book Thermal Conductivity 29 written by John R. Koenig and published by . This book was released on 2008 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This is the 2008 volume in the ITCC/ITES book series on thermal conductivity, devoted to thermal conductivity performance in many types of engineered materials. The book comprises 52 original papers specially selected and edited from the ITCC 29/ITES17 conference, held in June 2007 at the University of Alabama, with support from the Southern Research Institute. New areas covered in this book include thermoelectrics, nuclear and aerospace materials, including the James Webb Space Telescope."--DEStech Publications web-site, viewed 15 January 2009

Insulating Materials

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Publisher : Walter de Gruyter
ISBN 13 : 3034614756
Total Pages : 114 pages
Book Rating : 4.0/5 (346 download)

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Book Synopsis Insulating Materials by : Margit Pfundstein

Download or read book Insulating Materials written by Margit Pfundstein and published by Walter de Gruyter. This book was released on 2012-12-10 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Die Bedeutung von Dämmstoffen ist ungebrochen hoch. Das Angebot steigt kontinuierlich. Durch ihre wärmedämmende Wirkung tragen sie zur Einsparung von Heiz- und Kühlenergie sowie zur Reduktion des CO2-Austoßes bei. Detail Practice Insulating Materials bietet einen umfassenden Katalog von Dämmstoffen für den Hochbau. Erläuterungen zu den einzelnen Dämmstoffarten geben Aufschluss über enthaltene Rohstoffe, typische Eigenschaften, Anwendungsbereiche und Lieferformen. Tabellen mit physikalischen Kennwerten und Angaben zum Brandverhalten sowie Hinweise zur Gesundheits- und Umweltverträglichkeit machen die Dämmstoffe vergleichbar. Ein Überblick über die europäischen Rechtsvorschriften sowie Dämmstoffnormen mit Erläuterungen zur Produktkennzeichnung und -zertifizierung hilft bei der Planung und Ausschreibung. Für die Auswahl des passenden Dämmstoffes werden Kriterien für Konstruktion und Anwendung vorgestellt. Ergänzend hierzu eröffnet die differenzierte Betrachtung der ökologischen Wirkungen von Dämmstoffen ein großes Optimierungspotenzial für ihren nachhaltigen Einsatz.

Impact of Thermal Conductivity on Energy Technologies

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Publisher : BoD – Books on Demand
ISBN 13 : 178923672X
Total Pages : 210 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Impact of Thermal Conductivity on Energy Technologies by : Aamir Shahzad

Download or read book Impact of Thermal Conductivity on Energy Technologies written by Aamir Shahzad and published by BoD – Books on Demand. This book was released on 2018-09-05 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to provide a deep understanding on the advanced treatments of thermal properties of materials through experimental, theoretical, and computational techniques. This area of interest is being taught in most universities and institutions at the graduate and postgraduate levels. Moreover, the increasing modern technical and social interest in energy has made the study of thermal properties more significant and exciting in the recent years. This book shares with the international community a sense of global motivation and collaboration on the subject of thermal conductivity and its wide spread applications in modern technologies. This book presents new results from leading laboratories and researchers on topics including materials, thermal insulation, modeling, steady and transient measurements, and thermal expansion. The materials of interest range from nanometers to meters, bringing together ideas and results from across the research field.

Thermal Physics and Thermal Analysis

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Publisher : Springer
ISBN 13 : 331945899X
Total Pages : 585 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Thermal Physics and Thermal Analysis by : Jaroslav Šesták

Download or read book Thermal Physics and Thermal Analysis written by Jaroslav Šesták and published by Springer. This book was released on 2017-03-24 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: Features twenty-five chapter contributions from an international array of distinguished academics based in Asia, Eastern and Western Europe, Russia, and the USA. This multi-author contributed volume provides an up-to-date and authoritative overview of cutting-edge themes involving the thermal analysis, applied solid-state physics, micro- and nano-crystallinity of selected solids and their macro- and microscopic thermal properties. Distinctive chapters featured in the book include, among others, calorimetry time scales from days to microseconds, glass transition phenomena, kinetics of non-isothermal processes, thermal inertia and temperature gradients, thermodynamics of nanomaterials, self-organization, significance of temperature and entropy. Advanced undergraduates, postgraduates and researchers working in the field of thermal analysis, thermophysical measurements and calorimetry will find this contributed volume invaluable. This is the third volume of the triptych volumes on thermal behaviour of materials; the previous two receiving thousand of downloads guaranteeing their worldwide impact.

The Finite Element Method for Three-Dimensional Thermomechanical Applications

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Publisher : John Wiley & Sons
ISBN 13 : 0470857625
Total Pages : 362 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis The Finite Element Method for Three-Dimensional Thermomechanical Applications by : Guido Dhondt

Download or read book The Finite Element Method for Three-Dimensional Thermomechanical Applications written by Guido Dhondt and published by John Wiley & Sons. This book was released on 2004-11-19 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Though many 'finite element' books exist, this book provides a unique focus on developing the method for three-dimensional, industrial problems. This is significant as many methods which work well for small applications fail for large scale problems, which generally: are not so well posed introduce stringent computer time conditions require robust solution techniques. Starting from sound continuum mechanics principles, derivation in this book focuses only on proven methods. Coverage of all different aspects of linear and nonlinear thermal mechanical problems in solids are described, thereby avoiding distracting the reader with extraneous solutions paths. Emphasis is put on consistent representation and includes the examination of topics which are not frequently found in other texts, such as cyclic symmetry, rigid body motion and nonlinear multiple point constraints. Advanced material formulations include anisotropic hyperelasticity, large strain multiplicative viscoplasticity and single crystal viscoplasticity. Finally, the methods described in the book are implemented in the finite element software CalculiX, which is freely available (www.calculix.de; the GNU General Public License applies). Suited to industry practitioners and academic researchers alike, The Finite Element Method for Three-Dimensional Thermomechanical Applications expertly bridges the gap between continuum mechanics and the finite element method.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Conductivity 16

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Publisher : Springer Science & Business Media
ISBN 13 : 1468442651
Total Pages : 606 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Thermal Conductivity 16 by : David C. Larsen

Download or read book Thermal Conductivity 16 written by David C. Larsen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Thermal Conductivity Conference was started in 1961 with the initiative of Mr. C. F. Lucks and grew out of the needs of researchers in the field. From 1961 to 1973 the Confer ences were held annually, and have been held biennially since 1975 when our Center for Information and Numerical Data Analysis and Synthesis (CINDAS) of Purdue University became the permanent Spon sor of the Conferences. These Conferences provide a broadly based forum for researchers actively working on the thermal conductivity and closely related properties to convene on a regular basis to ex change their ideas and experiences and report their findings and results. The Conferences have been self-perpetuating and are an example of how a technical community with a common purpose can transcend the invisible, artificial barriers between disciplines and gather togeth er in increasing numbers without the need of national publicity and continuing funding support, when they see something worthwi1e going on. It is believed that this series of Conferences not only will grow stronger, but will set an example for researchers in other fields on how to jointly attack their own problem areas.

Computational Science - ICCS 2024

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Publisher : Springer Nature
ISBN 13 : 3031637755
Total Pages : 458 pages
Book Rating : 4.0/5 (316 download)

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Book Synopsis Computational Science - ICCS 2024 by : Leonardo Franco

Download or read book Computational Science - ICCS 2024 written by Leonardo Franco and published by Springer Nature. This book was released on 2024 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zusammenfassung: The 7-volume set LNCS 14832 - 14838 constitutes the proceedings of the 24th International Conference on Computational Science, ICCS 2024, which took place in Malaga, Spain, during July 2-4, 2024. The 155 full papers and 70 short papers included in these proceedings were carefully reviewed and selected from 430 submissions. They were organized in topical sections as follows: Part I: ICCS 2024 Main Track Full Papers; Part II: ICCS 2024 Main Track Full Papers; Part III: ICCS 2024 Main Track Short Papers; Advances in High-Performance Computational Earth Sciences: Numerical Methods, Frameworks and Applications; Artificial Intelligence and High-Performance Computing for Advanced Simulations; Part IV: Biomedical and Bioinformatics Challenges for Computer Science; Computational Health; Part V: Computational Optimization, Modelling, and Simulation; Generative AI and Large Language Models (LLMs) in Advancing Computational Medicine; Machine Learning and Data Assimilation for Dynamical Systems; Multiscale Modelling and Simulation; Part VI: Network Models and Analysis: From Foundations to Artificial Intelligence; Numerical Algorithms and Computer Arithmetic for Computational Science; Quantum Computing; Part VII: Simulations of Flow and Transport: Modeling, Algorithms and Computation; Smart Systems: Bringing Together Computer Vision, Sensor Networks, and Artificial Intelligence; Solving Problems with Uncertainties; Teaching Computational Science