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Author : William C. Cliff
Publisher : Unknown
Page : 56 pages
File Size : 45,7 Mb
Release : 1975
Category : Doppler radar
ISBN : NASA:31769000531734
Author : Alain Boutier
Publisher : John Wiley & Sons
Page : 436 pages
File Size : 46,5 Mb
Release : 2013-01-09
Category : Science
ISBN : 9781118569337
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 : Jean-Christophe Valière
Publisher : John Wiley & Sons
Page : 168 pages
File Size : 52,7 Mb
Release : 2014-04-16
Category : Technology & Engineering
ISBN : 9781118649350
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 : Anonim
Publisher : Unknown
Page : 484 pages
File Size : 44,6 Mb
Release : 1988
Category : Technology
ISBN : IND:30000088903061
Author : William C. Cliff
Publisher : Unknown
Page : 18 pages
File Size : 51,7 Mb
Release : 1976
Category : Laser Doppler velocimeter
ISBN : NASA:31769000531783
Author : Preben Buchhave
Publisher : Unknown
Page : 748 pages
File Size : 46,9 Mb
Release : 1976
Category : Flow meters
ISBN : UOM:39015002018680
Author : L. E. Drain
Publisher : John Wiley & Sons
Page : 264 pages
File Size : 49,7 Mb
Release : 1980
Category : Science
ISBN : UOM:39015016025242
Author : R. Goldstein
Publisher : CRC Press
Page : 740 pages
File Size : 50,7 Mb
Release : 1996-03-01
Category : Technology & Engineering
ISBN : 156032306X
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 : David S. Mueller,C. Russell Wagner
Publisher : CreateSpace
Page : 82 pages
File Size : 55,6 Mb
Release : 2014-06-16
Category : Technology & Engineering
ISBN : 1500222666
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 : Lafayette K. Irwin
Publisher : Unknown
Page : 488 pages
File Size : 47,6 Mb
Release : 1977
Category : Flow meters
ISBN : UOM:39015077584111
Author : Anonim
Publisher : Unknown
Page : 488 pages
File Size : 40,5 Mb
Release : 1977
Category : Flow meters
ISBN : UCR:31210023597972
Author : L. Kessler
Publisher : Springer Science & Business Media
Page : 644 pages
File Size : 43,7 Mb
Release : 2013-12-11
Category : Science
ISBN : 9781475706536
This volume contains the papers presented at the Seventh International Symposium on Acoustical Imaging and Holography. The meeting was held in Chicago, Illinois U.S.A. on August 30 - September 1, 1976. Since 1967 this series of conferences has served as an international forum for bringing together the many different facets of the ultrasonic visualization field. Medical diagnosis, nondestructive testing, underwater viewing, seismic the mapping, and acoustic analytical microscopy are examples of broad range applications of this technology. Throughly broad in scope, the common denominator that binds this volume together is the application of engineering and physics disciplines to the creation of images by means of ultrasonic waves. Efforts on the part of the program committe and their institutions are greatly appreciated, They are acknowledged below: Newell Booth Nave lex Arlington, Va. Byron B. Brendan Holosonics, Inc. Richland, Wa. Reginald C. Eggleton ICFAR-IU Medical School Indianapolis, In. Stanford Research Institute Philip S. Green Menlo Park, Ca. Henry Karplus Argonne National Labs Argonne, Il. J.D. Meindl Stanford University Stanford, Ca. Alexander F. Metherell University of California Irvine, Ca. R.K. Mueller University of Minnesota Stillwater, Mn. Frederick L. Thurstone Duke University Durham, N.C. vii viii PREFACE Glen Wade University of California Santa Barbara, Ca. Keith Wang University of Houston Houston, Tx.
Author : Anonim
Publisher : Unknown
Page : 494 pages
File Size : 54,7 Mb
Release : 2024-07-01
Category : NASA tech briefs
ISBN : STANFORD:36105112109215
Author : Marian Muste,Dennis A. Lyn,David Admiraal,Robert Ettema,Vladimir Nikora,Marcelo H. Garcia
Publisher : CRC Press
Page : 458 pages
File Size : 46,5 Mb
Release : 2017-07-28
Category : Science
ISBN : 9781351657761
This is the first volume of a two-volume guide to designing, conducting and interpreting laboratory and field experiments in a broad range of topics associated with hydraulic engineering. Specific guidance is provided on methods and instruments currently used in experimental hydraulics, with emphasis on new and emerging measurement technologies and methods of analysis. Additionally, this book offers a concise outline of essential background theory, underscoring the intrinsic connection between theory and experiments. This book is much needed, as experimental hydraulicians have had to refer to guidance scattered in scientific papers or specialized monographs on essential aspects of laboratory and fieldwork practice. The book is the result of the first substantial effort in the community of hydraulic engineering to describe in one place all the components of experimental hydraulics. Included is the work of a team of more than 45 professional experimentalists, who explore innovative approaches to the vast array of experiments of differing complexity encountered by today’s hydraulic engineer, from laboratory to field, from simple but well-conceived to complex and well-instrumented. The style of this book is intentionally succinct, making frequent use of convenient summaries, tables and examples to present information. All researchers, practitioners, and students conducting or evaluating experiments in hydraulics will find this book useful.
Author : Anonim
Publisher : Unknown
Page : 488 pages
File Size : 52,5 Mb
Release : 1977
Category : Weights and measures
ISBN : MINN:20000003286370