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Development Of A Laser Doppler Particle Sensor For The Measurement Of Velocities In Rocket Exhausts
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Book Synopsis Development of a Laser-doppler Particle Sensor for the Measurement of Velocities in Rocket Exhausts by : Howard L. Morse
Download or read book Development of a Laser-doppler Particle Sensor for the Measurement of Velocities in Rocket Exhausts written by Howard L. Morse and published by . This book was released on 1968 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development, Application, and Design Specifications of a Laser Doppler Particle Sensor for the Measurement of Particle Velocities in Two Phase Rocket Exhausts, Volume II. by : Stanford University. Department of Aeronautics and Astronautics
Download or read book Development, Application, and Design Specifications of a Laser Doppler Particle Sensor for the Measurement of Particle Velocities in Two Phase Rocket Exhausts, Volume II. written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1968 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of a prototype instrument to measure the velocity of particles in the exhaust of a solid rocket motor is described. This volume contains the design specifications for the prototype instrument used to obtain data on a five thousand (5,000) pound thrust rocket engine. (Author).
Book Synopsis Development, Application, and Design Specifications of a Laser-Doppler Particle Sensor for the Measurement of Particle Velocities in Two-phase Rocket Exhausts by : H. L. Morse
Download or read book Development, Application, and Design Specifications of a Laser-Doppler Particle Sensor for the Measurement of Particle Velocities in Two-phase Rocket Exhausts written by H. L. Morse and published by . This book was released on 1968 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulence Measurements with a Laser Doppler Velocimeter by : William Joseph Yanta
Download or read book Turbulence Measurements with a Laser Doppler Velocimeter written by William Joseph Yanta and published by . This book was released on 1973 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence measurements with a Laser Doppler Velocimeter (LDV) using the dual scatter or differential Doppler mode have been made in a subsonic, fully developed channel flow. The measurements were made using only those light scattering particles occurring naturally in air. Results include mean velocity profiles, turbulence intensities, Reynolds stress distributions and a skewness measurement of the velocity distribution function across the channel. Statistical techniques were used to obtain the various turbulence parameters. Guidelines have been established for the amount of data needed to obtain results with a specified accuracy and confidence level. Measurements have also been made to determine the particle-size distribution. An aerodynamic means was used to determine the size distribution, in contrast to the usual optical procedures. (Modified author abstract).
Book Synopsis The Use of a Laser Doppler Velocimeter in Supersonic Flow by : William Joseph Yanta
Download or read book The Use of a Laser Doppler Velocimeter in Supersonic Flow written by William Joseph Yanta and published by . This book was released on 1971 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis Development, Application, and Design Specifications of a Laser Doppler Particle Sensor for the Measurement of Particle Velocities in Two Phase Rocket Exhausts, Volume I. by : Stanford University. Department of Aeronautics and Astronautics
Download or read book Development, Application, and Design Specifications of a Laser Doppler Particle Sensor for the Measurement of Particle Velocities in Two Phase Rocket Exhausts, Volume I. written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1968 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, the development of a prototype instrument to measure the velocity of particles in the exhaust of a solid rocket motor is described. The measurement technique is based upon the doppler-shifted scattering of a focused laser beam by the particle matter in a flow. The absolute value of frequency is converted into velocity information by a Fabry Perot interferometer, photomultiplier, electronic signal processing circuits and a suitable recording device. The recorded data is in the form of signal number count rate and maximum signal amplitude as a function of velocity at a specific point in the flow. This volume describes the development of the prototype instrument. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Optical Response of a Laser-doppler Sensing Instrument in Measurements of High Velocity Particle-entraining Flows by : Barclay Jamison Tullis
Download or read book The Optical Response of a Laser-doppler Sensing Instrument in Measurements of High Velocity Particle-entraining Flows written by Barclay Jamison Tullis and published by . This book was released on 1970 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1975 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulence Measurements with a Laser Doppler Velocimeter by : William J. Yanta
Download or read book Turbulence Measurements with a Laser Doppler Velocimeter written by William J. Yanta and published by . This book was released on 1973 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence measurements with a Laser Doppler Velocimeter (LDV) using the dual scatter or differential Doppler mode have been made in a subsonic, fully developed channel flow. The measurements were made using only those light scattering particles occurring naturally in air. Results include mean velocity profiles, turbulence intensities, Reynolds stress distributions and a skewness measurement of the velocity distribution function across the channel. Statistical techniques were used to obtain the various turbulence parameters. Guidelines have been established for the amount of data needed to obtain results with a specified accuracy and confidence level. Measurements have also been made to determine the particle-size distribution. An aerodynamic means was used to determine the size distribution, in contrast to the usual optical procedures. (Modified author abstract).
Book Synopsis The Development of a Laser-doppler Velocity Meter for the Measurement of Solid Particle Velocity in a Two-phase Flow by : R. H. Barker
Download or read book The Development of a Laser-doppler Velocity Meter for the Measurement of Solid Particle Velocity in a Two-phase Flow written by R. H. Barker and published by . This book was released on 1972 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Doppler Measurements by : B. M. Watrasiewicz
Download or read book Laser Doppler Measurements written by B. M. Watrasiewicz and published by . This book was released on 1976 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Diffusion in Liquid Jets: Part I by : Charles H. Tinsley
Download or read book Turbulent Diffusion in Liquid Jets: Part I written by Charles H. Tinsley and published by . This book was released on 1974 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Development of a Laser-doppler Velocity Meter FPR the Measurement of Solid Particle Velocity in a Two-phase Flow by : R.H. Barker
Download or read book The Development of a Laser-doppler Velocity Meter FPR the Measurement of Solid Particle Velocity in a Two-phase Flow written by R.H. Barker and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Doppler and Phase Doppler Measurement Techniques by : H.-E. Albrecht
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.
Book Synopsis Development of a Laser Doppler Velocimetry System for Supersonic Jet Turbulence Measurements by : Alex Karns
Download or read book Development of a Laser Doppler Velocimetry System for Supersonic Jet Turbulence Measurements written by Alex Karns and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of military style exhaust nozzles to further understand their acoustic characteristics has been the recent focus of the Pennsylvania State University high-speed jet aeroacoustics facility. Advanced measurement techniques are required to study the turbulence characteristics of the flow field. Development of a laser Doppler velocimetry system would allow for these measurements to be made non-intrusively.Development of the laser Doppler velocimetry system required research and testing of each component as it was placed into the system. Development was split into two portions: fundamental or basic concepts and components, and advanced components. During these stages, many components, such as the transmitting and receiving probes, were fabricated, procedures were developed, and calibration of the transmitting probe was completed.Once the development stages were complete, the laser Doppler velocimetry system was used to measure subsonic flows of a cold air exhaust jet. Velocity measurements proved to be accurate to within 2% of calculated jet Mach numbers with discrepancies of up to 6% at Mach numbers approaching 1 at x/D of 2. Comparison of axial turbulence intensity data to previous studies yielded less favorable result possibly due to use of the exhaust fan, but this hypothesis cannot be proven without more experiments.Parametric studies were also on the ratio of the injection pressure ratio to the nozzle pressure ratio and the exhaust fan power determine their effects of seeding on measurement values. It was determined that ratio of the injection pressure ratio to the nozzle pressure ratio had negligible effect on the measurements except at a value of 1 where the axial turbulence intensity was up to 6% different than the other measurements. However, the ratio was found to have an inverse relationship to the number of validated burst particles per unit time. The power of the exhaust fan created differences in the measurement of up to 3% at x/D greater than 6, with higher values of Mach number and lower values of axial turbulence intensity at the exhaust fan power of 15%. However, it is difficult to draw conclusions with only two sets of data.
Book Synopsis Measurements in Polyphase Flows by : David E. Stock
Download or read book Measurements in Polyphase Flows written by David E. Stock and published by . This book was released on 1978 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
