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Laser Heating Applications

Laser Heating Applications Book
Author : B. S. Yilbas
Publisher : Elsevier
Release : 2012
ISBN : 0124157823
Language : En, Es, Fr & De

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Book Description :

"This book describes those areas of thermodynamics which prove conductive to equilibrium and non-equilibrium heating theories in addition to yielding results that serve as data for further theories"--

Laser Heating Applications

Laser Heating Applications Book
Author : Bekir Yilbas
Publisher : Elsevier
Release : 2012-05-26
ISBN : 0124157912
Language : En, Es, Fr & De

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Book Description :

Thermal treatment of materials occupies a significant, increasing proportion of MSE activity and is an integral component of modern curricula as well as a highly monetized component of industrial production. Laser processing of materials offers advantages over conventional methods of processing. Some of these advantages include fast processing, precision of operation, low cost and local treatment. Analytical modeling of laser processing gives insight into the physical and mathematical aspects of the problem and provides useful information on process optimization. This work from Professor Yilbas, a world-recognized expert in laser materials processing, provides the necessary depth and weight of analysis, collating mathematical and physical modeling and experimentation with the necessary discussion of applications. It meets coherence in topics with high technical quality. It encompasses the basics of laser processing and provides an introduction to analytical modeling of the process. Fundamentals and formulation of the heating process are presented for numerous heating conditions. Detailed analytical solutions for laser heating problems (including thermal stress) aids analysis of linkage between process parameters, such as laser pulse and laser intensity, and material response, such as temperature and stress Encompasses practical solutions to thermal heating problems (unlike the length solutions of numerical schemes) Extensive fourier and non-fourier treatments and consequent analysis provides improved understanding of mathematical transformations

A Laser Heating Device for Metallographic Studies

A Laser Heating Device for Metallographic Studies Book
Author : G. R. Speich,A. Szirmae,R. M. Fisher
Publisher : Unknown
Release : 1966
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Using an optically pumped ruby laser for a heat source and a helium-water vapor quench, thin metallic specimens can be heated at a rate of 106 C/sec and cooled at a rate of 105 C/sec. An electronic timing circuit controls time spent at a temperature so that heating times as short as 0.001 sec are possible. The temperature reached is determined by the energy of the laser pulse, specimen reflectivity, and thickness. Oxidation of iron surface effectively reduces reflection and, thus, increases energy absorption. Temperature distribution across sections of the specimens is a function of density and thermal diffusivity. For an 0.002-in. iron specimen, front and back temperatures remain nearly equal during heating. Applications of the technique included in this paper are: studies of recrystallization and phase transformation of pure iron, dissolution of pearlite and spheroidite in a eutectoid iron-carbon alloy, and melting and solidification of gold.

Pulsed Laser Heating for Brillouin Spectroscopy Methods and Applications

Pulsed Laser Heating for Brillouin Spectroscopy  Methods and Applications Book
Author : Konrad Rolle
Publisher : Unknown
Release : 2021
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Pulsed Laser Heating for Brillouin Spectroscopy Methods and Applications book written by Konrad Rolle, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Laser Applications for Mechanical Industry

Laser Applications for Mechanical Industry Book
Author : S. Martellucci,Arthur N. Chester,A.M. Verga Scheggi
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 9401119902
Language : En, Es, Fr & De

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Book Description :

Modern manufacturing industry is focusing its interests on the potential offered by the laser, in combination with other new technologies such as optical fibres, automation, computing and flexible manufacturing systems, to give new and powerful methods for non-destructive testing, in-process quality assurance, laser material processing and process control, and laser robotics. The greatest opportunities for the laser are in those areas where flexibility, automation, CAD/CAM integration, precision, cost reduction, and time to market are important factors. The examples covered here are mainly drawn from the automotive industry, where all these factors are imperative, and where the CO2, Nd-YAG and excimer laser sources are already making their contribution to the manufacturing process.

Pulsed Laser Heating in the Diamond Anvil Cel

Pulsed Laser Heating in the Diamond Anvil Cel Book
Author : Georgios Aprilis
Publisher : Unknown
Release : 2020
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Pulsed Laser Heating in the Diamond Anvil Cel book written by Georgios Aprilis, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Laser Production and Heating of Plasma for MHD Application

Laser Production and Heating of Plasma for MHD Application Book
Author : N. W. Jalufka
Publisher : Unknown
Release : 1988
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Laser Production and Heating of Plasma for MHD Application book written by N. W. Jalufka, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Laser Pulse Heating of Surfaces and Thermal Stress Analysis

Laser Pulse Heating of Surfaces and Thermal Stress Analysis Book
Author : Bekir S. Yilbas,Ahmad Y. Al-Dweik,Nasser Al-Aqeeli,Hussain M. Al-Qahtani
Publisher : Springer Science & Business Media
Release : 2013-07-10
ISBN : 3319000861
Language : En, Es, Fr & De

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Book Description :

This book introduces laser pulse heating and thermal stress analysis in materials surface. Analytical temperature treatments and stress developed in the surface region are also explored. The book will help the reader analyze the laser induced stress in the irradiated region and presents solutions for the stress field. Detailed thermal stress analysis in different laser pulse heating situations and different boundary conditions are also presented. Written for surface engineers.

Application of Scan Laser Heating for Thermal Imagery Nondestructive Testing

Application of Scan Laser Heating for Thermal Imagery Nondestructive Testing Book
Author : Gregory Arutunian,Otto Renius
Publisher : Unknown
Release : 1973
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Evaluations were made using an infrared non-destructive testing technique employing scan laser heating of the specimen. Thermal images were obtained with a newly developed two-dimensional reflective scanner, coupled to a 50 watt CO2 laser to irradiate the specimen and a thermal imaging camera to view the specimen's irradiated surfaces. The technique showed a capability of providing a real time non-destructive test for subsurface defects in a variety of materials and structures. It allows the laser heat source and infrared camera to be remotely positioned from the specimen under test, making it possible to examine large specimens.

Laser Applications in Surface Science and Technology

Laser Applications in Surface Science and Technology Book
Author : Horst-Günter Rubahn
Publisher : John Wiley & Sons
Release : 1999-03-17
ISBN : 9780471984504
Language : En, Es, Fr & De

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Book Description :

Lasers are becoming increasingly important in surface science, both for the diagnostic evaluation and the processing of surfaces, for example, higher harmonic generation for diagnosis and the widespread use of laser surface microstructuring and annealing for processing. The physics behind such applications might be described in some cases by simple heating and melting processes, but can also include much more complex phenomena such as plasma generation or elementary collective surface excitations. Laser Applications in Surface Science and Technology provides an overview of the different techniques, discusses the principles behind them and gives a concise description of laser-induced and laser-detected processes on surfaces. Recent developments in the field such as nonlinear surface spectroscopies and the interactions of ultrashort pulses with materials, are also introduced. Invaluable reading for postgraduate students and research scientists across a wide range of disciplines including: physics, chemistry, electronic engineering and materials science.

Short Pulse Laser Systems for Biomedical Applications

Short Pulse Laser Systems for Biomedical Applications Book
Author : Kunal Mitra,Stephanie Miller
Publisher : Springer
Release : 2017-03-15
ISBN : 3319542532
Language : En, Es, Fr & De

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Book Description :

This book presents practical information on the clinical applications of short pulse laser systems and the techniques for optimizing these applications in a manner that will be relevant to a broad audience, including engineering and medical students as well as researchers, clinicians, and technicians. Short pulse laser systems are useful for both subsurface tissue imaging and laser induced thermal therapy (LITT), which hold great promise in cancer diagnostics and treatment. Such laser systems may be used alone or in combination with optically active nanoparticles specifically administered to the tissues of interest for enhanced contrast in imaging and precise heating during LITT. Mathematical and computational models of short pulse laser-tissue interactions that consider the transient radiative transport equation coupled with a bio-heat equation considering the initial transients of laser heating were developed to analyze the laser-tissue interaction during imaging and therapy. Experiments were first performed to characterize the tissue optical properties needed to optimize the dose for thermal therapy. Experiments were then performed on animal models to characterize the heat affected zone for LITT. The experimental measurements were also validated using the computational models.

Laser Surface Processing and Model Studies

Laser Surface Processing and Model Studies Book
Author : Bekir Sami Yilbas,Shahzada Zaman Shuja
Publisher : Springer Science & Business Media
Release : 2013-03-15
ISBN : 3642366295
Language : En, Es, Fr & De

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Book Description :

This book introduces model studies associated with laser surface processing such as conduction limited heating, surface re-melting, Marangoni flow and its effects on the temperature field, re-melting of multi-layered surfaces, laser shock processing, and practical applications. The book provides insight into the physical processes involved with laser surface heating and phase change in laser irradiated region. It is written for engineers and researchers working on laser surface engineering.

Microwave Free electron Laser Applications for Electron Cyclotron Heating of Plasmas

Microwave Free electron Laser Applications for Electron Cyclotron Heating of Plasmas Book
Author : Anonim
Publisher : Unknown
Release : 1990
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Millimeter wave power may be the ideal source of heat for a plasma, but advances in technology are needed to meet requirements of next generation fusion devices. Free electron lasers (FEL) are one candidate for such sources, and this paper reviews the progress, issues of physics and technology, and potential benefits for fusion from these devices. 15 refs., 13 figs.

Tritium Removal by Laser Heating and Its Application to Tokamaks

Tritium Removal by Laser Heating and Its Application to Tokamaks Book
Author : Charles H. Skinner
Publisher : Unknown
Release : 2001
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Tritium Removal by Laser Heating and Its Application to Tokamaks book written by Charles H. Skinner, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Computational Analysis of the Human Eye with Applications

Computational Analysis of the Human Eye with Applications Book
Author : Sumeet Dua
Publisher : World Scientific
Release : 2011
ISBN : 9814340308
Language : En, Es, Fr & De

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Book Description :

Advances in semi-automated high-throughput image data collection routines, coupled with a decline in storage costs and an increase in high-performance computing solutions have led to an exponential surge in data collected by biomedical scientists and medical practitioners. Interpreting this raw data is a challenging task, and nowhere is this more evident than in the field of opthalmology. The sheer speed at which data on cataracts, diabetic retinopathy, glaucoma and other eye disorders are collected, makes it impossible for the human observer to directly monitor subtle, yet critical details. This book is a novel and well-timed endeavor to present, in an amalgamated format, computational image modeling methods as applied to various extrinsic scientific problems in ophthalmology. It is self-contained and presents a highly comprehensive array of image modeling algorithms and methodologies relevant to ophthalmologic problems. The book is the first of its kind, bringing eye imaging and multi-dimensional hyperspectral imaging and data fusion of the human eye, into focus. The editors are at the top of their fields and bring a strong multidisciplinary synergy to this visionary volume. Their "inverted-pyramid" approach in presenting the content and their focus on core applications will appeal to students and practitioners in the field.

Ultrashort Laser Pulses and Applications

Ultrashort Laser Pulses and Applications Book
Author : Wolfgang Kaiser
Publisher : Springer Science & Business Media
Release : 2013-03-14
ISBN : 3662025469
Language : En, Es, Fr & De

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Book Description :

Ten years ago, Stanley L. Shapiro edited the book entitled Ultrashort Light Pulses (Topics Appl. Phys., Vol. 18), which was written by eight experts in the field. Six years later, Charles V. Shank added a bibliography (1980-1983) in the second edition with approximately one thousand new references. During the past decade the field has grown so rapidly that a completely new book had to be written. In particular, the reduction of the time scale of light pulses into the femtosecond range has opened up new experimental possibilities never even foreseen in the preceding literature. The vast literature with countless ideas and applications makes it impossible for a single person to write a comprehensive review. Nine scientists, actively working in the field since its beginning, have decided to join forces to prepare a new book describing the present state of the art. Emphasis is placed on the generation and numerous applications of ultrashort laser pulses. This book covers a wide area of science: physics, engineering, chemistry, and biology. The various chapters and sections are prepared in each case such that the reader is given a brief introduction to the specific subject. Ample references for a more detailed study are given at the end of each chapter.

Laser Heating of Metals

Laser Heating of Metals Book
Author : A. M. Prokhorov
Publisher : CRC Press
Release : 2018-01-31
ISBN : 1351090844
Language : En, Es, Fr & De

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Book Description :

In order to ensure efficient use of lasers, and for any large-scale implementation, a thorough knowledge of the fundamental laws governing the interaction of radiation with matter is required. Laser Heating of Metals provides a systematic and comprehensive presentation of the fundamental principles underlying the physical and chemical mechanisms governing the interaction of laser radiation with solid targets, and in particular metals in gaseous environments, for a wide range of beam parameters. The authors have been active in the field of interactions between lasers and materials for many years, and this book summarises the results of their work, in particular concerning the action of CO2 lasers on metals. These results are then discussed at some length. Laser Heating of Materials will be of interest to scientists at all levels with an interest in the interaction of radiation with condensed matter, and in particular to those involved in laser cutting and welding etc, and metal-working.

Laser Thermochemistry

Laser Thermochemistry Book
Author : N. V. Karlov,N. A. Kirichenko,B. S. Luk'yanchuk
Publisher : Cambridge International Science Pub
Release : 2000
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Research into the thermochemical effect of laser radiation concentrates in the following areas: analysis of physical mechanisms, responsible for formation of feedbacks between chemical, thermal and other degrees of freedom of the system in various problems; determination of the typical nonlinearities and analysis of the effect of various feedback channels on the kinetics and dynamics of thermochemical processes; examination of self-organisation phenomena, induced by laser radiation in heating matter; examination of the possibilities of efficient laser control of thermochemical processes. Special attention is given to effects determined by macroscopic nonequilibrium and feedbacks between various degrees of freedom of thermochemical systems. Processes stimulated by laser radiation in homogeneous media, phenomena taking place in laser heating of metals, and physico-chemical processes in laser heating of liquids are discussed. Examples of technological applications of laser thermochemistry are given: LCVD, thin film fabrication, laser synthesis of powders.