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Author : Melvyn Kohudic
Publisher : CRC Press
Page : 140 pages
File Size : 52,8 Mb
Release : 1994-09-09
Category : Technology & Engineering
ISBN : 1566761964
Author : F.E. Filisko,K.O. Havelka
Publisher : Springer Science & Business Media
Page : 367 pages
File Size : 51,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9781489910363
This treatise is a compendium of refereed papers based on invited talks presented at the American Chemical Society Symposium on Electrorheological (ER) Materials and Fluids. ER fluids were first investigated 50+ years ago. These fluids, which change rheology when placed in an electric field, were recognized, from the beginning, for allowing an extremely efficient interface between electrical control and mechanical devices. Critical problems, however, existed with the initial fluids, which prevented them from serious consideration for large-scale applications. While over time some of the critical problems have been solved and activity in ER technology has increased, commercial success has remained elusive. A recent Department of Energy report concluded that a primary reason for the failure to commercialize this promising technology is due to a lack in understanding the physics and chemistry of how the materials work. The goal of the symposium was to address the issue of understanding how ER materials work and how they can be used. One of the outcomes of the symposium, which we hope is conveyed in this book, is a feeling that if the mechanism of ER is to be fully understood and improved, expertise from diverse fields must be applied to the problem.
Author : Rongjia Tao,G D Roy
Publisher : World Scientific
Page : 694 pages
File Size : 40,9 Mb
Release : 1994-07-26
Category : Electronic
ISBN : 9789814552042
This volume covers the most recent progress and development in the physical mechanisms, materials technology, properties and applications of electrorheological (ER) fluids. It includes papers about a newly emerging material, magneto-rheological (MR) fluids, as well. The science of ER fluids and MR fluids is making a great impact on industry and technology. Contributions come from leading experts in the field. This volume serves as a stimulating and valuable reference for students and research workers in condensed matter physics, materials science, chemistry and engineering. It not only gives details about the leading edge of research and applications, but also provides an overall view of the field.
Author : Michael Ruzicka
Publisher : Springer
Page : 186 pages
File Size : 44,8 Mb
Release : 2007-05-06
Category : Technology & Engineering
ISBN : 9783540444275
This is the first book to present a model, based on rational mechanics of electrorheological fluids, that takes into account the complex interactions between the electromagnetic fields and the moving liquid. Several constitutive relations for the Cauchy stress tensor are discussed. The main part of the book is devoted to a mathematical investigation of a model possessing shear-dependent viscosities, proving the existence and uniqueness of weak and strong solutions for the steady and the unsteady case. The PDS systems investigated possess so-called non-standard growth conditions. Existence results for elliptic systems with non-standard growth conditions and with a nontrivial nonlinear r.h.s. and the first ever results for parabolic systems with a non-standard growth conditions are given for the first time. Written for advanced graduate students, as well as for researchers in the field, the discussion of both the modeling and the mathematics is self-contained.
Author : D.A. Siginer,D. De Kee,R.P. Chhabra
Publisher : Elsevier
Page : 895 pages
File Size : 53,9 Mb
Release : 1999-05-07
Category : Technology & Engineering
ISBN : 9780080540559
These two volumes contain chapters written by experts in such areas as bio and food rheology, polymer rheology, flow of suspensions, flow in porous media, electrorheological fluids, etc. Computational as well as analytical mathematical descriptions, involving appropriate constitutive equations deal with complex flow situations of industrial importance. This work is unique in that it brings together state of the art reviews and recent advances in a variety of areas, involving viscoelastic materials, in a desirable and timely manner.
Author : Tian Hao
Publisher : Elsevier
Page : 579 pages
File Size : 51,9 Mb
Release : 2011-08-30
Category : Science
ISBN : 9780080455440
An electrorheological (ER) suspension is made from an insulating liquid medium embodying either a semi-conductive particulate material or a semi-conductive liquid material (usually a liquid crystal material). Since its mechanical properties can be easily controlled over a wide range (almost from a pure liquid to a solid), the ER fluid can be used as an electric and mechanical interface in various industrial areas, for example, in the automotive industrial for clutch, brake and damping systems and in robotic arm joints and hands. In addition, the ER technique can be used to fabricate advanced functional materials such as photonic crystals, smart inks, and heterogeneous polymer composites. The major objective of Electrorheological Fluids is to present a comprehensive survey on the ER suspensions in term of screening high performance ER materials, physical mechanisms of the ER effect, and the applications of ER technology. * Applications of ER suspensions are of wide interest both in academia and industry * Surveys a large body of literature on the mechanism of the ER effect and the design of industrially applicable ER devices * Discusses technological problems affiliated with industrial applications
Author : Gabriel D. Roy,Rongjia Tao
Publisher : Unknown
Page : 3 pages
File Size : 44,7 Mb
Release : 1994
Category : Electronic
ISBN : OCLC:258395635
Author : Norman Wereley
Publisher : Royal Society of Chemistry
Page : 410 pages
File Size : 54,6 Mb
Release : 2014
Category : Science
ISBN : 9781849736671
Leading experts provide a timely overview of the key developments in the physics, chemistry and uses of magnetorheological fluids.
Author : Faramarz Gordaninejad
Publisher : World Scientific
Page : 843 pages
File Size : 53,6 Mb
Release : 2007
Category : Science
ISBN : 9789812771209
ERMR 2006 included invited speakers, technical presentations, poster presentations, and a student paper competition. At the conference banquet, Dr. David Carlson of Lord Corporation addressed the conference attendees and gave a stirring speech on the history of ER and MR fluids, as well as current and future applications. A unique feature of the ERMR Conferences is that they comprehensively cover issues ranging from physics to chemistry to engineering applications of ER and MR materials held in a general session to enhance the interaction between the scientists and engineers. The sessions in ERMR 2006 were organized based into two Symposia: a) Materials and b) Applications. Topics covered in the Materials Symposium included: mechanisms, preparation, and characterization of ER and MR materials. Topics covered in the Applications Symposium included: ER and MR devices, control systems, system integration, and applications. This structure was implemented in order to enable interaction between attending scientists and engineers in both the Materials Symposium and the Applications Symposium, and to enhance the free flow of ideas, and the potential collaborative research opportunities. Sample Chapter(s). Chapter 1: Transient Behavior of Electrorheological Fluids in Shear Flow (471 KB). Contents: The Physical Mechanism to Reduce Viscosity of Liquid Suspensions (R Tao); Polar Molecular Type Electrorheological Fluids (K Lu et al.); Yield Stress in Ferrofluids? (H Shahnazian & S Odenbach); The Effect of Dwell Time on the Rheological Behavior of MR Fluids (M Ahmadian & F D Goncalves); The Methods of Measuring Shear Stress of Polar Molecule Dominated ER Fluids (R Shen et al.); Electrosensitive Lubricants (E V Korobko et al.); Study on Characteristics of an Electrorheological Fluid Coupling (Y Meng et al.); On the Control of a MR Torque Transfer Device (M H Elahinia et al.); Comparison of ERF Clutch Designs (D J Ellam et al.); Examination of Throughflow in a Radial ERF Clutch (S M Chen et al.); Two-Layered Magnetic Fluid Sloshing in a Rectangular Container (S Yoshida et al.); Design of the High-Performance MR Brake and Its Characteristics (T Kikuchi et al.); and other papers. Readership: Mechanical engineers, electrical engineers, physicists, chemists, chemical engineers and materials scientists.
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 53,7 Mb
Release : 2024-06-27
Category : Electronic
ISBN : 9789814474290
Author : Kiyohito Koyama,M Nakano
Publisher : World Scientific
Page : 910 pages
File Size : 47,9 Mb
Release : 1999-01-18
Category : Electronic
ISBN : 9789814544016
Electrorheological (ER) fluids and magnetorheological (MR) suspensions show dramatic and reversible rheological changes when the electric or magnetic field is applied. Over the past several years, their performance and reliability have been significantly improved and their potential applications and acceptances have been widened. These fluids may make a tremendous impact on industry and technology.This volume contains a total of 107 papers which are most up to date and which give probably the best information on the state of the art of the ERF/MRS field. It covers the fields of material technology, mechanisms, bridging structure and properties on ER fluids, MR suspensions and ferrofluids, and the fields of their applications, i.e. damping devices, clutches, braking devices, actuators, optical devices, polishing devices and so on.
Author : Kunquan Lu,Rong Shen,Jixing Liu
Publisher : World Scientific
Page : 1012 pages
File Size : 40,5 Mb
Release : 2005-06-14
Category : Technology & Engineering
ISBN : 9789814481182
This volume covers the most recent progress of research work on electrorheological (ER) and magnetorheological (MR) industrial applications related to controllable damping, ER/MR fundamental mechanisms, and understanding the potential of new classes of field responsive materials. The proceedings have been selected for coverage in: • Materials Science Citation Index® • Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings) • Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings) • CC Proceedings — Engineering & Physical Sciences Contents:Materials TechnologyPhysical MechanismStructures and PropertiesApplication of Magnetorheological FluidsApplication of Electrorheological Fluids Readership: Graduate students, academics and researchers in new materials, applied physics, condensed matter physics, and nonlinear science, chaos & dynamical systems. Keywords:Rheology;Complex Fluid;Electro-Rheology;Magneto-Rheology;Suspension;New Material;Damper;Polarization
Author : Parveen Saini
Publisher : John Wiley & Sons
Page : 800 pages
File Size : 43,6 Mb
Release : 2015-04-30
Category : Technology & Engineering
ISBN : 9781119137108
Since their discovery in 1977, the evolution of conducting polymers has revolutionized modern science and technology. These polymers enjoy a special status in the area of materials science yet they are not as popular among young readers or common people when compared to other materials like metals, paper, plastics, rubber, textiles, ceramics and composites like concrete. Most importantly, much of the available literature in the form of papers, specific review articles and books is targeted either at advanced readers (scientists/technologists/engineers/senior academicians) or for those who are already familiar with the topic (doctoral/postdoctoral scholars). For a beginner or even school/college students, such compilations are bit difficult to access/digest. In fact, they need proper introduction to the topic of conducting polymers including their discovery, preparation, properties, applications and societal impact, using suitable examples and already known principles/knowledge/phenomenon. Further, active participation of readers in terms of “question & answers”, “fill-in-the-blanks”, “numerical” along with suitable answer key is necessary to maintain the interest and to initiate the “thought process”. The readers also need to know about the drawbacks and any hazards of such materials. Therefore, I believe that a comprehensive source on the science/technology of conducting polymers which maintains a link between grass root fundamentals and state-of-the-art R&D is still missing from the open literature.
Author : Peter L. Reece
Publisher : Nova Publishers
Page : 306 pages
File Size : 45,9 Mb
Release : 2007
Category : Architecture
ISBN : 1600211070
"Smart" materials respond to environmental stimuli with particular changes in some variables. For that reason they are often also called responsive materials. Depending on changes in some external conditions, "smart" materials change either their properties (mechanical, electrical, appearance), their structure or composition, or their functions. Mostly, "smart" materials are embedded in systems whose inherent properties can be favourably changed to meet performance needs. Smart materials and structures have widespread applications in: 1. Materials science: composites, ceramics, processing science, interface science, sensor/actuator materials, chiral materials, conducting and chiral polymers, electrochromic materials, liquid crystals, molecular-level smart materials, biomaterials. 2. Sensing and actuation: electromagnetic, acoustic, chemical and mechanical sensing and actuation, single-measurand sensors, multiplexed multimeasurand distributed sensors and actuators, sensor/actuator signal processing, compatibility of sensors and actuators with conventional and advanced materials, smart sensors for materials and composites processing. 3. Optics and electromagnetics: optical fibre technology, active and adaptive optical systems and components, tunable high-dielectric phase shifters, tunable surface control. 4. Structures: smart skins for drag and turbulence control, other applications in aerospace/hydrospace structures, civil infrastructures, transportation vehicles, manufacturing equipment, repairability and maintainability. 5. Control: structural acoustic control, distributed control, analogue and digital feedback control, real-time implementation, adaptive structure stability, damage implications for structural control. 6. Information processing: neural networks, data processing, data visualisation and reliability. This book presents leading new research from around the globe in this field.
Author : Dennis A. Siginer,George S. Dulikravich
Publisher : Unknown
Page : 90 pages
File Size : 52,8 Mb
Release : 1995
Category : Science
ISBN : UOM:39015037868802
