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Author : William C. Cliff
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (317 download)
Download or read book Laser and Acoustic Doppler Techniques for the Measurement of Fluid Velocities written by William C. Cliff and published by . This book was released on 1975 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alain Boutier
Publisher : John Wiley & Sons
ISBN 13 : 1118569334
Total Pages : 436 pages
Book Rating : 4.1/5 (185 download)
Download or read book Laser Velocimetry in Fluid Mechanics written by Alain Boutier and published by John Wiley & Sons. This book was released on 2013-01-09 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: In fluid mechanics, velocity measurement is fundamental in order to improve the behavior knowledge of the flow. Velocity maps help us to understand the mean flow structure and its fluctuations, in order to further validate codes. Laser velocimetry is an optical technique for velocity measurements; it is based on light scattering by tiny particles assumed to follow the flow, which allows the local fluid flow velocity and its fluctuations to be determined. It is a widely used non-intrusive technique to measure velocities in fluid flows, either locally or in a map. This book presents the various techniques of laser velocimetry, as well as their specific qualities: local measurements or in plane maps, mean or instantaneous values, 3D measurements. Flow seeding with particles is described with currently used products, as well as the appropriate aerosol generators. Post-processing of data allows us to extract synthetic information from measurements and to perform comparisons with results issued from CFD codes. The principles and characteristics of the different available techniques, all based on the scattering of light by tiny particles embedded in the flow, are described in detail; showing how they deliver different information, either locally or in a map, mean values and turbulence characteristics.
Author : H.-E. Albrecht
Publisher : Springer Science & Business Media
ISBN 13 : 3662051656
Total Pages : 741 pages
Book Rating : 4.6/5 (62 download)
Download or read book Laser Doppler and Phase Doppler Measurement Techniques written by H.-E. Albrecht and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing the first comprehensive treatment, this book covers all aspects of the laser Doppler and phase Doppler measurement techniques, including light scattering from small particles, fundamental optics, system design, signal and data processing, tracer particle generation, and applications in single and two-phase flows. The book is intended as both a reference book for more experienced users as well as an instructional book for students. It provides ample material as a basis for a lecture course on the subject and represents one of the most comprehensive treatments of the phase Doppler technique to date. The book will serve as a valuable reference book in any fluid mechanics laboratory where the laser Doppler or phase Doppler techniques are used. This work reflects the authors' long practical experience in the development of the techniques and equipment, as the many examples confirm.
Author : Jean-Christophe Valière
Publisher : John Wiley & Sons
ISBN 13 : 1118649354
Total Pages : 168 pages
Book Rating : 4.1/5 (186 download)
Download or read book Acoustic Particle Velocity Measurements Using Lasers written by Jean-Christophe Valière and published by John Wiley & Sons. This book was released on 2014-04-16 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concerns the presentation of particle velocity measurement for acoustics using lasers, including Laser Doppler Velocimetry (LDV or Anemometry (LDA)) and Particle Imagery Velocimetry (PIV). The objective is first to present the importance of measuring the acoustic velocity, especially when the acoustic equations are nonlinear as well as characterizing the near fields. However, these applications need to use non-invasive sensors. Some optical techniques, initially developed for fluid mechanics, have been adapted to the field of acoustics in recent years. This book summarizes 15 years of research in this area, highlighting the improvements that have been made, particularly in signal processing, and showing applications for which they have proven to be a carrier of innovation.
Author : R. Goldstein
Publisher : Routledge
ISBN 13 : 1351447823
Total Pages : 740 pages
Book Rating : 4.3/5 (514 download)
Download or read book Fluid Mechanics Measurements written by R. Goldstein and published by Routledge. This book was released on 2017-11-13 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised edition provides updated fluid mechanics measurement techniques as well as a comprehensive review of flow properties required for research, development, and application. Fluid-mechanics measurements in wind tunnel studies, aeroacoustics, and turbulent mixing layers, the theory of fluid mechanics, the application of the laws of fluid mechanics to measurement techniques, techniques of thermal anemometry, laser velocimetry, volume flow measurement techniques, and fluid mechanics measurement in non-Newtonian fluids, and various other techniques are discussed.
Author : R. J. Santoro
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Laser Doppler Velocimeter for Measurement of Flows Induced by Flames Propagating Over Condensed Fuels written by R. J. Santoro and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary process in the spread of fire along the surface of a condensed fuel is heat transfer from the burning region of the fuel to the material ahead of the flame. In the early stages of a fire, the two mechanisms by which this heat transfer occurs are conduction and convection ahead of the flame through the gas and fuel phases. The determination of the importance of the convective heat transfer can be ascertained only by accurate measurement of the fluid flow velocity and temperature fields near the flame front. Convective flows induced by spreading flames are characterized by low fluid velocities with changes in magnitude and direction accompanied by sharp temperature changes occurring over small distances. The bulk gas velocity induced by the flame frequently opposes the propagation. In liquids, there exists, as well, a liquid motion in the direction of the propagation of the flame. These characteristics make quantitative measurements of fluid velocities difficult using conventional techniques. With the advent of Laser Doppler Velocimeter (LDV) techniques, a non-perturbing means of making high resolution measurements of two-dimensional low velocity fields now exists. Thus, the possibility of determining the role of convective effects has become realizable.
Author : Jean-Christophe Valière
Publisher : John Wiley & Sons
ISBN 13 : 9781848215627
Total Pages : 0 pages
Book Rating : 4.2/5 (156 download)
Download or read book Acoustic Particle Velocity Measurements Using Lasers written by Jean-Christophe Valière and published by John Wiley & Sons. This book was released on 2014-05-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concerns the presentation of particle velocity measurement for acoustics using lasers, including Laser Doppler Velocimetry (LDV or Anemometry (LDA)) and Particle Imagery Velocimetry (PIV). The objective is first to present the importance of measuring the acoustic velocity, especially when the acoustic equations are nonlinear as well as characterizing the near fields. However, these applications need to use non-invasive sensors. Some optical techniques, initially developed for fluid mechanics, have been adapted to the field of acoustics in recent years. This book summarizes 15 years of research in this area, highlighting the improvements that have been made, particularly in signal processing, and showing applications for which they have proven to be a carrier of innovation.
Author : Stanford University. Department of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.F/5 ( download)
Download or read book Application of a Laser-doppler Technique to the Measurement of Particle Velocity in Gas-particle Two-phase Flow written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1966 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: In chemical propulsion, the use of metallic fuel constituents burning to particulate refractory oxides in rocket engines has forced attention to the understanding of two-phase nozzle expansion processes. In this study light from a helium-neon laser was reflected both from a fixed target and from moving particles. A lens concentrated the laser light and the light back-scattered from the particles was picked up by the same lens and directed into a Fabry-Perot scanning plate interferometer. The interferometer limited observation at any moment to those particles whose Doppler shifted frequency coincided with the interferometer transmission frequency. The light from the fixed target provided a frequency reference system, and calibrated movement of the interferometer mirror spacing provided continuous examination of velocity. Data in the form of lightscattering and number count vs velocity has been obtained for water droplets in subsonic flow, for aluminum spheres and alumina abrasive in cold supersonic flow and for aluminum and magnesium oxide in hot supersonic flow. Number count-velocity data was found to be a complicated function of particle size distribution and vector velocity distribution as well as instrument characteristics.
Author : David S. Mueller
Publisher : CreateSpace
ISBN 13 : 9781500222666
Total Pages : 82 pages
Book Rating : 4.2/5 (226 download)
Download or read book Measuring Discharge with Acoustic Doppler Current Profilers from a Moving Boat written by David S. Mueller and published by CreateSpace. This book was released on 2014-06-16 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mission of the U.S. Geological Survey (USGS) Water Resources Discipline is to provide the information and understanding needed for wise management of the Nation's water resources. Inherent in this mission is the responsibility of collecting data that accurately describe the physical, chemical, and biological attributes of water systems. These data are used for environmental and resource assessments by the USGS, other government agencies and scientific organizations, and the general public. Reliable and quality-assured data are essential to the credibility and impartiality of the water-resources appraisals carried out by the USGS.
Author : L. E. Drain
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Laser Doppler Technique written by L. E. Drain and published by John Wiley & Sons. This book was released on 1980 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stanford University. Department of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.F/5 ( download)
Download or read book Initial Discussion of the Application of a Laser-doppler Technique to the Measurement of Particle Velocity in Gas-particle Two-phase Flow written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1965 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Preben Buchhave
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Accuracy of Flow Measurements by Laser Doppler Methods written by Preben Buchhave and published by . This book was released on 1976 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (359 download)
Download or read book Measurement of Velocities in Gas-liquid Two-phase Flow Using Laser Doppler Velocimetry written by and published by . This book was released on 1992 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger Fred Block
Publisher :
ISBN 13 :
Total Pages : 518 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Measurement of Local Fluid Velocities in Rotational Couette Flow Using the Doppler Shift of Scattered Laser Radiation written by Roger Fred Block and published by . This book was released on 1972 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William C. Cliff
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (317 download)
Download or read book The Delta Doppler Technique for LDV Measurements at Long Distances written by William C. Cliff and published by . This book was released on 1976 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Tech Briefs written by and published by . This book was released on 1977 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergei S. Molokov
Publisher : Springer Science & Business Media
ISBN 13 : 1402048335
Total Pages : 408 pages
Book Rating : 4.4/5 (2 download)
Download or read book Magnetohydrodynamics written by Sergei S. Molokov and published by Springer Science & Business Media. This book was released on 2007-08-26 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book revises the evolution of ideas in various branches of magnetohydrodynamics (astrophysics, earth and solar dynamos, pinch, MHD turbulence and liquid metals) and reviews current trends and challenges. Uniquely, it contains the review articles on the development of the subject by pioneers in the field as well as leading experts, not just in one, but in various branches of magnetohydrodynamics, such as liquid metals, astrophysics, dynamo and pinch.
