Doppler Shift Laser Velocimeter Data Processor PDF Download
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Author: Henry T. Kalb
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
The patent describes an apparatus for extracting doppler shift frequency information from signals which are produced by dual scatter laser velocimeter over the doppler frequency range of 1 to 300 MHz. The laser doppler velocimeter data which is translated and processed into a form compatible with digital computer inputs may be obtained for very short scan times.
Author: Henry T. Kalb
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
The patent describes an apparatus for extracting doppler shift frequency information from signals which are produced by dual scatter laser velocimeter over the doppler frequency range of 1 to 300 MHz. The laser doppler velocimeter data which is translated and processed into a form compatible with digital computer inputs may be obtained for very short scan times.
Author: H.-E. Albrecht
Publisher: Springer Science & Business Media
ISBN: 3662051656
Category : Science
Languages : en
Pages : 741
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Book Description
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: Warren H. Stevenson
Publisher:
ISBN:
Category : Fluid dynamic measurements
Languages : en
Pages : 580
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Book Description
Author: Charles P. Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
Because it uses light scattering, Doppler shift, and optical heterodyne, laser Doppler velocimetry is an extremely powerful diagnostic technique for the measurement of flow velocity components. Its basic principles, optical arrangements, signal processing techniques, and applications are discussed as well as its advantages, disadvantages, and applications in the study of fluid mechanics. Keywords: Flow velocity diagnostic; Doppler shift; Time of flight; laser speckle data processing; Light scattering; Local oscillator; Optical mixing spectroscopy; Reacting flows; Turbulent flows.
Author: Ronald J. Adrian
Publisher: SPIE-International Society for Optical Engineering
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 644
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Book Description
Author: Joint Institute for Aeronautics and Acoustics. Joint Institute for Aeronautics and Acoustics
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
Author: F. N. Weber (Jr.)
Publisher:
ISBN:
Category : Laser Doppler velocimeter
Languages : en
Pages : 38
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Book Description
Author:
Publisher:
ISBN:
Category : Fluid dynamic measurements
Languages : en
Pages : 314
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Book Description
Author: Howard Doyle Thompson
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 586
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Book Description
Contents: A Historical Review of Laser Velocimetry. Developments in Instrumentation, Data Analysis, Combustion Measurements, Measurements in Turbulent Flows, Measurements in Internal Combustion Engines, General Applications, Particle Diagnostics, Wild Card Session, and Panel Discussion.
Author: Alain Boutier
Publisher: John Wiley & Sons
ISBN: 1118569334
Category : Science
Languages : en
Pages : 436
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Book Description
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.
