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Books > Science & Mathematics > Physics > Classical mechanics

Computational Methods for Microstructure-Property Relationships (Hardcover, Edition.): Somnath Ghosh, Dennis Dimiduk Computational Methods for Microstructure-Property Relationships (Hardcover, Edition.)
Somnath Ghosh, Dennis Dimiduk
R5,568 Discovery Miles 55 680 Ships in 10 - 15 working days

Computational Methods for Microstructure-Property Relationships introduces state-of-the-art advances in computational modeling approaches for materials structure-property relations. Written with an approach that recognizes the necessity of the engineering computational mechanics framework, this volume provides balanced treatment of heterogeneous materials structures within the microstructural and component scales. Encompassing both computational mechanics and computational materials science disciplines, this volume offers an analysis of the current techniques and selected topics important to industry researchers, such as deformation, creep and fatigue of primarily metallic materials.

Researchers, engineers and professionals involved with predicting performance and failure of materials will find Computational Methods for Microstructure-Property Relationships a valuable reference.

Low Reynolds Number Aerodynamics (Hardcover): Rudd Deakins Low Reynolds Number Aerodynamics (Hardcover)
Rudd Deakins
R1,772 Discovery Miles 17 720 Ships in 12 - 17 working days
ISDN Technology (Hardcover, 1993 ed.): J. R. Brewster ISDN Technology (Hardcover, 1993 ed.)
J. R. Brewster
R2,864 Discovery Miles 28 640 Ships in 10 - 15 working days

The Integrated Services Digital Network (ISDN) represents the current position in about a hundred years of evolutionary growth of the worldwide telecommunications infrastructure. This evolution is by no means complete and the next few years will see the emergence of a "Broad-band" ISDN as the next stage of evolutionary development. It is important to appreciate the evolutionary nature of the telecommunications infrastructure if one is to properly understand much of the thinking that lies behind the current ISDN proposals. This book therefore begins with a number of chapters devoted to a study of the various developments which have eventually led to the concept of an integrated digital network. These include the development of digital transmission of speech using PCM and the development of digital switching techniques based on stored program control. The book then turns to a consideration of those features of the existing telecommunications network which need to be modified in order to make ISDN a realizable practicality. Of particular importance is the digitization of transmission over the links between the user and the local exchange. Next we look at the current practice and proposals for ISDN based on the technology presently in use in the telephone network. Finally, we look at the proposals for a broadband ISDN likely to become widely available by the turn of the century.

Mechanics of non-holonomic systems - A New Class of control systems (Hardcover, 2009 ed.): Sh Kh Soltakhanov, Mikhail Yushkov,... Mechanics of non-holonomic systems - A New Class of control systems (Hardcover, 2009 ed.)
Sh Kh Soltakhanov, Mikhail Yushkov, S. Zegzhda
R5,750 R4,337 Discovery Miles 43 370 Save R1,413 (25%) Ships in 12 - 17 working days

A general approach to the derivation of equations of motion of as holonomic, as nonholonomic systems with the constraints of any order is suggested. The system of equations of motion in the generalized coordinates is regarded as a one vector relation, represented in a space tangential to a manifold of all possible positions of system at given instant. The tangential space is partitioned by the equations of constraints into two orthogonal subspaces. In one of them for the constraints up to the second order, the motion low is given by the equations of constraints and in the other one for ideal constraints, it is described by the vector equation without reactions of connections. In the whole space the motion low involves Lagrangian multipliers. It is shown that for the holonomic and nonholonomic constraints up to the second order, these multipliers can be found as the function of time, positions of system, and its velocities. The application of Lagrangian multipliers for holonomic systems permits us to construct a new method for determining the eigenfrequencies and eigenforms of oscillations of elastic systems and also to suggest a special form of equations for describing the system of motion of rigid bodies. The nonholonomic constraints, the order of which is greater than two, are regarded as programming constraints such that their validity is provided due to the existence of generalized control forces, which are determined as the functions of time. The closed system of differential equations, which makes it possible to find as these control forces, as the generalized Lagrange coordinates, is compound. The theory suggested is illustrated by the examples of a spacecraft motion. The book is primarily addressed to specialists in analytic mechanics.

Cavitation in Non-Newtonian Fluids - With Biomedical and Bioengineering Applications (Hardcover, 2011 Ed.): Emil Brujan Cavitation in Non-Newtonian Fluids - With Biomedical and Bioengineering Applications (Hardcover, 2011 Ed.)
Emil Brujan
R4,573 R4,319 Discovery Miles 43 190 Save R254 (6%) Ships in 12 - 17 working days

Non-Newtonian properties on bubble dynamics and cavitation are fundamentally different from those of Newtonian fluids. The most significant effect arises from the dramatic increase in viscosity of polymer solutions in an extensional flow, such as that generated about a spherical bubble during its growth or collapse phase. In addition, many biological fluids, such as blood, synovial fluid, and saliva, have non-Newtonian properties and can display significant viscoelastic behaviour. This monograph elucidates general aspects of bubble dynamics and cavitation in non-Newtonian fluids and applies them to the fields of biomedicine and bioengineering. In addition it presents many examples from the process industries. The field is strongly interdisciplinary and the numerous disciplines involve have and will continue to overlook and reinvent each others' work. This book helps researchers to think intuitively about the diverse physics of these systems, to attempt to bridge the various communities involved, and to convey the interest, elegance, and variety of physical phenomena that manifest themselves on the micrometer and microsecond scales.

Chaos, Resonance and Collective Dynamical Phenomena in the Solar System (Hardcover, 1992 ed.): Sylvio Ferraz-Mello Chaos, Resonance and Collective Dynamical Phenomena in the Solar System (Hardcover, 1992 ed.)
Sylvio Ferraz-Mello
R4,351 Discovery Miles 43 510 Ships in 12 - 17 working days

This symposium was devoted to a new celestial mechanics whose aim has become the study of such objects' as the planetary system, planetary rings, the asteroidal belt, meteor swarms, satellite systems, comet families, the zodiacal cloud, the preplanetary nebula, etc. When the three-body problem is considered instead of individual orbits we are, now, looking for the topology of extended regions of its phase space. This Symposium was one step in the effort to close the ties between two scientific families: the observationally-oriented scientists and the theoretically-oriented scientists.

Dynamic Failure of Materials and Structures (Hardcover, 2010 ed.): Arun Shukla, Guruswami Ravichandran, Yapa D.S. Rajapakse Dynamic Failure of Materials and Structures (Hardcover, 2010 ed.)
Arun Shukla, Guruswami Ravichandran, Yapa D.S. Rajapakse
R4,919 R4,352 Discovery Miles 43 520 Save R567 (12%) Ships in 12 - 17 working days

Dynamic Failure of Materials and Structures discusses the topic of dynamic loadings and their effect on material and structural failure. Since dynamic loading problems are very difficult as compared to their static counterpart, very little information is currently available about dynamic behavior of materials and structures. Topics covered include the response of both metallic as well as polymeric composite materials to blast loading and shock loadings, impact loadings and failure of novel materials under more controlled dynamic loads. These include response of soft materials that are important in practical use but have very limited information available on their dynamic response. Dynamic fragmentation, which has re-emerged in recent years has also been included. Both experimental as well as numerical aspects of material and structural response to dynamic loads are discussed.

Written by several key experts in the field, Dynamic Failure of Materials and Structures will appeal to graduate students and researchers studying dynamic loadings within mechanical and civil engineering, as well as in physics and materials science.

The Physics of Free Electron Lasers (Hardcover, 2000 ed.): E.L. Saldin, E. V. Schneidmiller, M.V Yurkov The Physics of Free Electron Lasers (Hardcover, 2000 ed.)
E.L. Saldin, E. V. Schneidmiller, M.V Yurkov
R3,069 Discovery Miles 30 690 Ships in 10 - 15 working days

The free electron laser (FEL) will be an outstanding tool for research and industrial application. This book describes the physical fundamentals on the basis of classical mechanics, electrodynamics, and the kinetic theory of charged particle beams, and will be suitable for graduate students and scientists alike.After a short introduction, the book discusses the theory of the FEL amplifier and oscillator and diffraction effects in the amplifier. Waveguide FEL and shot noise are also treated.

Engineering Vibration Analysis - Worked Problems 1 (Hardcover, 2004 ed.): V.A. Chechin Engineering Vibration Analysis - Worked Problems 1 (Hardcover, 2004 ed.)
V.A. Chechin; Valery A. Svetlitsky; Translated by G.I. Merzon
R6,339 Discovery Miles 63 390 Ships in 10 - 15 working days

Theory of vibrations belongs to principal subjects needed for training mechani cal engineers in technological universities. Therefore, the basic goal of the mono graph "Advanced Theory of Vibrations 1" is to help students studying vibration theory for gaining experience in application of this theory for solving particular problems. Thus, while choosing the problems and methods to solve them, the close attention was paid to the applied content of vibration theory. The monograph is devoted to systems with a single degree of freedom and sys tems with a finite number of degrees of freedom. In particular, problems are for mulated associated with determination of frequencies and forms of vibrations, study of forced vibrations, analysis of both stable and unstable vibrations (includ ing those caused by periodic but anharmonic forces). The problems of nonlinear vibrations and of vibration stability, and those related to seeking probabilistic characteristics for solutions to these problems in the case of random forces are also considered. Problems related to parametric vibrations and statistical dynamics of mechanical systems, as well as to determination of critical parameters and of dy namic stability are also analyzed. As a rule, problems presented in the monograph are associated with particular mechanical systems and can be applied for current studies in vibration theory. Al lowing for interests of students independently studying theory of vibrations, the majority of problems are supplied with either detailed solutions or algorithms of the solutions."

Progress in Electrorheology - Science and Technology of Electrorheological Materials (Hardcover, 1995 ed.): F. E. Filisko, K.... Progress in Electrorheology - Science and Technology of Electrorheological Materials (Hardcover, 1995 ed.)
F. E. Filisko, K. O. Havelka
R4,382 Discovery Miles 43 820 Ships in 12 - 17 working days

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.

New Results in Numerical and Experimental Fluid Mechanics VII - Contributions to the 16th STAB/DGLR Symposium Aachen, Germany... New Results in Numerical and Experimental Fluid Mechanics VII - Contributions to the 16th STAB/DGLR Symposium Aachen, Germany 2008 (Hardcover, 2010 ed.)
Andreas Dillmann, Gerd Heller, Wolfgang Schroeder, Wolfgang Nitsche, Michael Klaas, …
R10,801 R8,158 Discovery Miles 81 580 Save R2,643 (24%) Ships in 12 - 17 working days

th This volume contains the papers presented at the 16 DGLR/STAB-Symposium held at the Eurogress Aachen and organized by RWTH Aachen University, Germany, November, 3 - 4, 2008. STAB is the German Aerospace Aerodynamics Association, founded towards the end of the 1970's, whereas DGLR is the German Society for Aeronautics and Astronautics (Deutsche Gesellschaft fur Luft- und Raumfahrt - Lilienthal Oberth e.V.). The mission of STAB is to foster development and acceptance of the discipline "Aerodynamics" in Germany. One of its general guidelines is to concentrate resources and know-how in the involved institutions and to avoid duplication in research work as much as possible. Nowadays, this is more necessary than ever. The experience made in the past makes it easier now, to obtain new knowledge for solving today's and tomorrow's problems. STAB unites German scientists and engineers from universities, research-establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics for aerospace and other applications. This has always been the basis of numerous common research activities sponsored by different funding agencies. Since 1986 the symposium has taken place at different locations in Germany every two years. In between STAB workshops regularly take place at the DLR in Goettingen.

X-ray Binaries and Recycled Pulsars - Proceedings of the NATO Advanced Research Workshop on X-ray Binaries and the Formation of... X-ray Binaries and Recycled Pulsars - Proceedings of the NATO Advanced Research Workshop on X-ray Binaries and the Formation of Binary and Millisecond Radio Pulsars, Santa Barbara, CA., U.S.A., January 21-25, 1991 (Hardcover)
E.P.J. van den Heuvel, S. A Rappaport
R2,455 Discovery Miles 24 550 Ships in 12 - 17 working days

The motivation for the workshop on which this book is based was the discovery in recent years of a large number of binary and millisecond radio pulsars, in the galactic disk as well as in globular star clusters, the oldest stellar systems in our galaxy. These discoveries have revolutionized our thinking on many aspects concerning the interior structure and evolution of neutron stars, and have revived the interest in the study of neutron star physics in general. In this book some three dozen of the world's experts in the field of radio pulsars, X-ray binaries, stellar evolution, neutron star interiors and stellar dynamics review the latest observational discoveries as well as the current theoretical thinking on the formation and physics of binary X-ray sources and of the binary and milli-second pulsars. These include discoveries such as that of the elevent millisecond pulsars in the globular cluster 47 Tucanae, the relativistic effects in the new double neturon star system PSR 1534+12 and spectacular results from Germany's ROSAT X-Ray Observatory.

Rapid Prototyping of Application Specific Signal Processors (Hardcover, 1997 ed.): Mark A. Richards, Anthony J. Gadient,... Rapid Prototyping of Application Specific Signal Processors (Hardcover, 1997 ed.)
Mark A. Richards, Anthony J. Gadient, Geoffrey A. Frank
R2,963 Discovery Miles 29 630 Ships in 10 - 15 working days

Rapid Prototyping of Application Specific Signal Processors presents leading-edge research that focuses on design methodology, infrastructure support and scalable architectures developed by the 150 million dollar DARPA United States Department of Defense RASSP Program. The contributions to this edited work include an introductory overview chapter that explains the origin, concepts and status of this effort. The RASSP Program is a multi-year DARPA/Tri-Service initiative intended to dramatically improve the process by which complex digital systems, particularly embedded signal processors, are designed, manufactured, upgraded and supported. This program was originally driven by military applications for signal processing. The requirements of military applications for real-time signal processing are typically more demanding than those of commercial applications, but the time gap between technology employed in advanced military prototypes and commercial products is narrowing rapidly. The research on methodologies, infrastructure and architectures presented in this book is applicable to commercial signal processing systems that are in design now, or will be developed before the end of the decade. Rapid Prototyping of Application Specific Signal Processors is a valuable reference for developers of embedded digital systems, particularly systems engineers for signal processing systems (such as digital TV, biomedical image processing systems and telecommunications) and for military contractors who are developing signal processing systems. This book will also be of interest to managers who are charged with responsibility for creating and maintaining environments and infrastructures for developing large embedded digital systems. The chief value for managers will be the defining of methods and processes that reduce development time and cost.

Exploring Macroscopic Quantum Mechanics in Optomechanical Devices (Hardcover, 2012 ed.): Haixing Miao Exploring Macroscopic Quantum Mechanics in Optomechanical Devices (Hardcover, 2012 ed.)
Haixing Miao
R2,800 Discovery Miles 28 000 Ships in 10 - 15 working days

Recent state-of-the-art technologies in fabricating low-loss optical and mechanical components have significantly motivated the study of quantum-limited measurements with optomechanical devices. Such research is the main subject of this thesis. In the first part, the author considers various approaches for surpassing the standard quantum limit for force measurements. In the second part, the author proposes different experimental protocols for using optomechanical interactions to explore quantum behaviors of macroscopic mechanical objects. Even though this thesis mostly focuses on large-scale laser interferometer gravitational-wave detectors and related experiments, the general approaches apply equally well for studying small-scale optomechanical devices.

The author is the winner of the 2010 Thesis prize awarded by the Gravitational Wave International Committee.

Qualitative and Quantitative Behaviour of Planetary Systems - Proceedings of the Third Alexander Von Humboldt Colloquium on... Qualitative and Quantitative Behaviour of Planetary Systems - Proceedings of the Third Alexander Von Humboldt Colloquium on Celestial Mechanics (Hardcover, Reprinted from Celestial Mecha and My, 56:1-2 ed.)
R. Dvorak, Jacques Henrard
R2,433 Discovery Miles 24 330 Ships in 12 - 17 working days

This volume contains the papers presented at the Third Alexander von Humboldt Colloquium on Celestial Mechanics. The papers cover a large range of questions, from the behaviour of dust particles to the stability of the solar system as a whole. The motions of asteroids and their classification into families are also discussed. Specific topics addressed are KAM theory, chaotic motions, resonances, Lyapunov characteristic exponents, perturbation theory and numerical integration.

Dynamic and Transient Infinite Elements - Theory and Geophysical, Geotechnical and Geoenvironmental  Applications (Hardcover,... Dynamic and Transient Infinite Elements - Theory and Geophysical, Geotechnical and Geoenvironmental Applications (Hardcover, 2009 ed.)
Chongbin Zhao
R5,453 Discovery Miles 54 530 Ships in 10 - 15 working days

Effective and ef cient modelling of in nite media is important for the production of accurate and useful solutions for many scienti c and engineering problems invo- ing in nite domains (Bettess 1977, 1980; Chow and Smith 1981; Medina and Taylor 1983; Zhang and Zhao 1987; Zhao et al. 1989; Zhao and Valliappan 1993a, b, c, d; Astley 1996, 1998; Yang et al. 1996; Yang and Huang 2001; Yun et al. 2000, 2007; Wang et al. 2006). Some typical examples involving in nite domains are as follows: (1) earthquake wave propagation within the upper crust of the Earth in the elds of geophysics and seismology; (2) dynamic structure-foundation interaction in the elds of geotechnical, civil and dam engineering; and (3) transient pore- uid ow, heat transfer and mass transport within the interior of the Earth in the elds of g- science and geoenvironmental engineering. Although the solid Earth is viewed as a bounded domain at the terrestrial scale, it can be treated as an unbounded domain at the human scale. For instance, in the case of predicting possible property damages caused by an earthquake, only a limited region around the epicentre is of interest because the earthquake wave energy is signi cantly reduced as the distance from the epicentre is increased.

December 1 (Hardcover, Reprint 2021): December 1 (Hardcover, Reprint 2021)
R3,618 Discovery Miles 36 180 Ships in 12 - 17 working days
Advances in Heat Transfer, Volume 34 (Hardcover): James P. Hartnett, Young I. Cho, George A. Greene Advances in Heat Transfer, Volume 34 (Hardcover)
James P. Hartnett, Young I. Cho, George A. Greene; Volume editing by Thomas F. Irvine
R5,526 Discovery Miles 55 260 Ships in 12 - 17 working days

Advances in Heat Transfer is designed to fill the information gap between regularly scheduled journals and university level textbooks by providing in-depth review articles over a broader scope than is allowable in either journals or texts.

Acoustics and Vibration of Mechanical Structures-AVMS-2017 - Proceedings of the 14th AVMS Conference, Timisoara, Romania, May... Acoustics and Vibration of Mechanical Structures-AVMS-2017 - Proceedings of the 14th AVMS Conference, Timisoara, Romania, May 25-26, 2017 (Hardcover, 1st ed. 2018)
Nicolae Herisanu, Vasile Marinca
R5,536 Discovery Miles 55 360 Ships in 10 - 15 working days

This book is a collection of papers presented at Acoustics and Vibration of Mechanical Structures 2017 - AVMS 2017 - highlighting the current trends and state-of-the-art developments in the field. It covers a broad range of topics, such as noise and vibration control, noise and vibration generation and propagation, the effects of noise and vibration, condition monitoring and vibration testing, modeling, prediction and simulation of noise and vibration, environmental and occupational noise and vibration, noise and vibration attenuators, as well as biomechanics and bioacoustics. The book also presents analytical, numerical and experimental techniques for evaluating linear and non-linear noise and vibration problems (including strong nonlinearity). It is primarily intended for academics, researchers and professionals, as well as PhD students in various fields of the acoustics and vibration of mechanical structures.

Hydrodynamic Instability and Transition to Turbulence (Hardcover, 2012 ed.): Akiva M. Yaglom Hydrodynamic Instability and Transition to Turbulence (Hardcover, 2012 ed.)
Akiva M. Yaglom; Edited by Uriel Frisch
R5,070 Discovery Miles 50 700 Ships in 10 - 15 working days

This book is a complete revision of the part of Monin & Yaglom's famous two-volume work "Statistical Fluid Mechanics: Mechanics of Turbulence" that deals with the theory of laminar-flow instability and transition to turbulence. It includes the considerable advances in the subject that have been made in the last 15 years or so. It is intended as a textbook for advanced graduate courses and as a reference for research students and professional research workers.

The first two Chapters are an introduction to the mathematics, and the experimental results, for the instability of laminar (or inviscid) flows to infinitesimal (in practice "small") disturbances. The third Chapter develops this linear theory in more detail and describes its application to particular problems. Chapters 4 and 5 deal with instability to finite-amplitude disturbances: much of the material has previously been available only in research papers."

Principles of Vibration and Sound (Hardcover, 2nd ed. 2004): Thomas D. Rossing, Neville H. Fletcher Principles of Vibration and Sound (Hardcover, 2nd ed. 2004)
Thomas D. Rossing, Neville H. Fletcher
R1,909 Discovery Miles 19 090 Ships in 10 - 15 working days

An ideal text for advanced undergraduates, the book provides the foundations needed to understand the acoustics of rooms and musical instruments as well as the basics for scientists and engineers interested in noise and vibration. The new edition contains four new chapters devoted primarily to applications of acoustical principles in everyday life: Microphones and Other Transducers, Sound in Concert Halls and Studios, Sound and Noise Outdoors; and Underwater Sound.

Adaptive Filters and Equalisers (Hardcover, 1988 ed.): Bernard Mulgrew, Colin F. Cowan Adaptive Filters and Equalisers (Hardcover, 1988 ed.)
Bernard Mulgrew, Colin F. Cowan
R4,304 Discovery Miles 43 040 Ships in 12 - 17 working days

The work presented in this text relates to research work in the general area of adaptive filter theory and practice which has been carried out at the Department of Electrical Engineering, University of Edinburgh since 1977. Much of the earlier work in the department was devoted to looking at the problems associated with the physical implementation of these structures. This text relates to research which has been undertaken since 1984 which is more involved with the theoretical development of adaptive algorithms. The text sets out to provide a coherent framework within which general adaptive algorithms for finite impulse response adaptive filters may be evaluated. It further presents one approach to the problem of finding a stable solution to the infinite impulse response adaptive filter problem. This latter objective being restricted to the communications equaliser application area. The authors are indebted to a great number of people for their help, guidance and encouragement during the course of preparing this text. We should first express our appreciation for the support given by two successive heads of department at Edinburgh, Professor J. H. Collins and Professor J. Mavor. The work reported here could not have taken place without their support and also that of many colleagues, principally Professor P. M. Grant who must share much of the responsibility for instigating this line of research at Edinburgh.

Flux-Corrected Transport - Principles, Algorithms, and Applications (Hardcover, 2nd ed. 2012): Dmitri Kuzmin, Rainald Loehner,... Flux-Corrected Transport - Principles, Algorithms, and Applications (Hardcover, 2nd ed. 2012)
Dmitri Kuzmin, Rainald Loehner, Stefan Turek
R1,551 Discovery Miles 15 510 Ships in 10 - 15 working days

Addressing students and researchers as well as Computational Fluid Dynamics practitioners, this book is the most comprehensive review of high-resolution schemes based on the principle of Flux-Corrected Transport (FCT). The foreword by J.P. Boris and historical note by D.L. Book describe the development of the classical FCT methodology for convection-dominated transport problems, while the design philosophy behind modern FCT schemes is explained by S.T. Zalesak. The subsequent chapters present various improvements and generalizations proposed over the past three decades.
In this new edition, recent results are integrated into existing chapters in order to describe significant advances since the publication of the first edition. Also, 3 new chapters were added in order to cover the following topics: algebraic flux correction for finite elements, iterative and linearized FCT schemes, TVD-like flux limiters, acceleration of explicit and implicit solvers, mesh adaptation, failsafe limiting for systems of conservation laws, flux-corrected interpolation (remapping), positivity preservation in RANS turbulence models, and the use of FCT as an implicit subgrid scale model for large eddy simulations.

Rheology Essentials of Cosmetic and Food Emulsions (Hardcover, 2006 ed.): Rudiger Brummer Rheology Essentials of Cosmetic and Food Emulsions (Hardcover, 2006 ed.)
Rudiger Brummer
R2,792 Discovery Miles 27 920 Ships in 10 - 15 working days

Cosmetic emulsions exist today in many forms for a wide variety of applications, including face and hand creams for normal, dry or oily skin, body milks and lotions, as well as sun-block products. Keeping track of them and their properties is not always easy despite informative product names or partial names (e.g. hand or face cream) that clearly indicate their use and properties. This practical manual provides a detailed overview that describes the key properties and explains how to measure them using modern techniques. Written by an expert in flows and flow properties, it focuses on the application of rheological (flow) measurements to cosmetic and food emulsions and the correlation of these results with findings from other tests.

Beginning with a brief history of rheology and some fundamental principles, the manual describes in detail the use of modern viscometers and rheometers, including concise explanations of the different available instruments. But the focus remains on practical everyday lab procedures: how to characterize cosmetic and food emulsions with different rheological tests such as temperature, time, stress and strain, both static and dynamic. Also the critical topic of how the results correlate with other important product characteristics, for instance, skin sensation, pumping performance, stability etc. is carefully explored. Many pictures, illustrations, graphs and tables help readers new to the measurement of cosmetic emulsions in their daily work as well as to the more experienced who seek additional special tips and tricks.

Computational Atmospheric Acoustics (Hardcover, 2001 ed.): E. M. Salomons Computational Atmospheric Acoustics (Hardcover, 2001 ed.)
E. M. Salomons
R2,990 Discovery Miles 29 900 Ships in 10 - 15 working days

Noise from cars, trains, and aeroplanes can be heard at large distances from the source. Accurate predictions of the loudness of the noise require accurate computations of sound propagation in the atmosphere. This book describes models that can be used for these computations. The models take into account complex effects of the atmosphere and the ground surface on sound waves, including the effects of wind and temperature distributions, atmospheric turbulence, irregular terrain, and noise barriers. The main text of the book focuses on physical effects in atmospheric acoustics. The effects are illustrated by many numerical examples. The main text requires a very limited mathematical background from the reader; detailed mathematical descriptions of the models, developed from the basic principles of acoustics, are presented in appendices. Models for moving media are compared with models that are based on the effective sound speed approach. Both two-dimensional models and three-dimensional models are presented. As meteorological effects play an important role in atmospheric acoustics, selected topics from boundary layer meteorology and the theory of turbulence are also presented.

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