Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel

Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic TunnelDemonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel download eBook

Author: National Aeronautics and Space Adm Nasa
Published Date: 30 Sep 2018
Publisher: Independently Published
Language: English
Format: Paperback::32 pages
ISBN10: 1724175823
ISBN13: 9781724175823
File size: 14 Mb
Dimension: 216x 279x 2mm::102g

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Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel

Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel download eBook. 99-0703-M. Em 0830-D (MF) GPO abridged cataloging. OCLC 42045663 99-19924 NAS 1.15:208970 Demonstration of imaging flow diagnostics using Rayleigh scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel. [1999) 1 v. Shirinzadeh, B, Herring, G C, Barros, T, Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel, NASA/TM-1999-208970, 1999 This paper presents density measurement carried out along a line using a 80 mW CW Nd:YAG 532 nm laser. Despite the use of dried air and co-flow, water condensation produced uneven seeding of the flow, making particle scattering dominate over molecular scattering. The time-averaged velocity measurements showed fair agreement between the FRS and pressure probe data acquired in the same setup with deviations of up to 50 m/s. A study of juncture flow in the NASA Langley 0.3-meter transonic cryogenic tunnel simulation of shock-stall flutter of an airfoil using the Navier-Stokes equations p diagnostics of laser ablation plume propagation for high-(Tc) superconductor [AD-A248612] FRACTALS Fractal image compression of Rayleigh, Raman, 8 July 1994 Imaging of strongly scattering objects using cepstral filtering. John B. Morris; Methods for inverse scattering, i.e. Imaging from scattered field data such as diffraction tomography, typically require that the object be weakly scattering. Imaging of strongly scattering objects using a K�p boken Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel av National Aeronautics Scattering limits the penetration depth of most optical imaging techniques. Efforts to overcome this limitation often require complex optical or computational schemes. We have developed a new method of assessing tissue properties based on spectroscopic analysis of multiply scattered light. The technique, multispectral multiple-scattering low-coherence interferometry (ms2/LCI), uses coherence The flow visualization capabilities of FRS were demonstrated in the boundary layer of a Mach 3 wind tunnel, in a Mach 5 free jet, and inside of a supersonic jet inlet model. The use of FRS for time-averaged planar measurements of velocity, temperature and pressure was demonstrated in Rayleigh scattering is dependent on the number of scatterers in a given volume and the signal is given as the sum of the scattered light from each individual scatterer, meaning that the signal increases linearly with pressure, something that can be made use of in certain applications. X-Rays and Scattering from Filters Used in Diagnostic Radiology Odeh Daniel, G Ogbanje, Prof. S. A. Jonah Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria Abstract- Incorporation of filters between the X-rays source and the patient in Computed Tomography helps to optimize the The feasibility of using the Rayleigh scattering technique for molecular density imaging of the free-stream flow field in the Langley 0.3-Meter Transonic Cryogenic Tunnel has been experimentally dem-onstrated. The Rayleigh scattering was viewed with a near-backward geometry with a frequency-doubled output from a diode-pumped CW Langley 0.3-Meter Transonic Cryogenic Tunnel B, Herring, G C, Barros, T, Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley. Stimulated Raman scattering imaging continuous-wave laser excitation Chun-Rui Hu,1 Mikhail N. Slipchenko,2,5 Ping Wang,2 Pu Wang,2 Jiandie D. Lin,3 Garth Simpson,4 Bing Hu,1 and Ji-Xin Cheng2,4,6 1Hefei National Laboratory for Physical Sciences at Microscale and School of Life Science, University of Science and Technology of Science, Hefei 230027, China 2Weldon School of Biomedical Scattering scanning near-field optical microscopy has become in the past decade a powerful tool for high-resolution optical investigations. However, a deeper understanding of the signal detection, demodulation and reconstruction techniques is still required. In this paper we use the mathematical concept that forms the base Scattering Centre Extraction in High Resolution Radar Imaging Prepared : R.F. Van Schalkwyk VSCRIC005 Supervised : Prof. M. Inggs Department of Electrical Engineering February 2014 A dissertation submitted to the Department of Electrical Engineering, University of Cape Town, in partial ful lment of the requirements for the degree of Abstract. The feasibility of using the Rayleigh scattering technique for molecular density imaging of the free-stream flow field in the Langley 0.3-Meter Transonic Cryogenic Tunnel Development of Diagnostic Techniques for Fluidic Measurements. This project broadly seeks to develop and apply modern, laser-based diagnostics to the wind tunnel facilities at NASA Langley Research Center toward the measurement of flow velocity, species, and thermodynamic state. The feasibility of using the Rayleigh scattering technique for molecular density imaging of the free-stream flow field in the Langley 0.3-Meter Transonic Cryogenic Tunnel has been experimentally NAL 0.1-m Transonic Cryogenic Wind Tunnel, and the transonic facilities of the Langley's 0.3-m TCT attempted to utilize Rayleigh scattering as a measure of the and Barros, T. "Demonstration of Imaging Flow Diagnostics Using Rayleigh. Get this from a library! Demonstration of imaging flow diagnostics using Rayleigh scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel. [B Shirinzadeh; Gregory C Herring; Toya Barros; Langley Research Center.]

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