Application of Laser Doppler Velocimeter to Chemical Vapor Laser System PDF Download
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Author: Luther R. Gartrell
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Author: Luther R. Gartrell
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722097349
Category :
Languages : en
Pages : 24
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Book Description
A laser Doppler velocimeter (LDV) system was used to measure iodide vapor flow fields inside two different-sized tubes. Typical velocity profiles across the laser tubes were obtained with an estimated +/-1 percent bias and +/-0.3 to 0.5 percent random uncertainty in the mean values and +/-2.5 percent random uncertainty in the turbulence-intensity values. Centerline velocities and turbulence intensities for various longitudinal locations ranged from 13 to 17.5 m/sec and 6 to 20 percent, respectively. In view of these findings, the effects of turbulence should be considered for flow field modeling. The LDV system provided calibration data for pressure and mass flow systems used routinely to monitor the research laser gas flow velocity. Gartrell, Luther R. and Hunter, William W., Jr. and Lee, Ja H. and Fletcher, Mark T. and Tabibi, Bagher M. Langley Research Center RTOP 505-59-54-03...
Author:
Publisher:
ISBN:
Category : Laser Doppler velocimeter
Languages : en
Pages : 18
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![Application of the Integrated Raman and LDV [Laser Doppler Velocimeter] System PDF](https://books.google.com/books/content/images/frontcover/qFrUNwAACAAJ?fife=w80-h100)
Author: S.. Lederman
Publisher:
ISBN:
Category : Laser Doppler velocimeter
Languages : en
Pages : 53
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Book Description
A series of test results concerning a coaxial jet and coaxial turbulent diffusion methane flame are presented. It is shown that the integrated LDV(Laser Doppler Velocimeter) and pulsed Raman technique represent one of the most complete diagnostic systems available. It is capable of providing, velocity, turbulence intensity, concentration of species, temperature, concentration and temperature fluctuation, as well as the correlation parameters for chemically reacting turbulent phenomena. All of the above can be obtained simultaneously and nonintrusively. (Author).
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: William Joseph Yanta
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 64
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Book Description
Results are presented for an experimental program which investigated the application of an LDV technique in supersonic flows. This paper presents an analysis of the behavior of light-scattering particles in rapidly accelerating or shock decelerated flows, an evaluation of particle production techniques and the results of several velocity measurements. Measurements included the velocity distribution along the nozzle centerline and flow over a diamond airfoil in a Mach 3 tunnel and velocity profiles for a turbulent boundary layer in a Mach 4.8 facility. It is demonstrated that LDV measurements can be made consistently with errors of less than five percent if the particle lag is considered. (Author).
Author: Robert J. Hallermeier
Publisher:
ISBN:
Category : Fluid dynamic measurements
Languages : en
Pages : 8
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Author: C. E. Fuller
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
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Author: Warren H. Stevenson
Publisher:
ISBN:
Category : Fluid dynamic measurements
Languages : en
Pages : 580
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Book Description
Author: James F. Meyers
Publisher:
ISBN:
Category : Doppler effect
Languages : en
Pages : 68
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Book Description
