Computer Aided Light Sheet Flow Visualization Using Photogrammetry
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Computer aided Light Sheet Flow Visualization Using Photogrammetry
Author | : Kathryn Stacy |
Publsiher | : Unknown |
Total Pages | : 40 |
Release | : 1994 |
Genre | : Image processing |
ISBN | : NASA:31769000447352 |
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Computer Aided Light Sheet Flow Visualization Using Photogrammetry
Author | : National Aeronautics and Space Administration (NASA) |
Publsiher | : Createspace Independent Publishing Platform |
Total Pages | : 36 |
Release | : 2018-07 |
Genre | : Electronic Book |
ISBN | : 1722123265 |
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A computer-aided flow visualization process has been developed to analyze video images acquired from rotating and translating light sheet visualization systems. The computer process integrates a mathematical model for image reconstruction, advanced computer graphics concepts, and digital image processing to provide a quantitative and a visual analysis capability. The image reconstruction model, based on photogrammetry, uses knowledge of the camera and light sheet locations and orientations to project two-dimensional light sheet video images into three-dimensional space. A sophisticated computer visualization package, commonly used to analyze computational fluid dynamics (CFD) results, was chosen to interactively display the reconstructed light sheet images with the numerical surface geometry for the model or aircraft under study. The photogrammetric reconstruction technique and the image processing and computer graphics techniques and equipment are described. Results of the computer-aided process applied to both a wind tunnel translating light sheet experiment and an in-flight rotating light sheet experiment are presented. The capability to compare reconstructed experimental light sheet images with CFD solutions in the same graphics environment is also demonstrated. Stacy, Kathryn and Severance, Kurt and Childers, Brooks A. Langley Research Center RTOP 505-90-53-02...
Monthly Catalog of United States Government Publications
Author | : United States. Superintendent of Documents |
Publsiher | : Unknown |
Total Pages | : 1084 |
Release | : 1993 |
Genre | : Government publications |
ISBN | : MINN:31951P00437078X |
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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Flow Visualization
Author | : Alexander J. Smits |
Publsiher | : World Scientific |
Total Pages | : 442 |
Release | : 2012 |
Genre | : Technology & Engineering |
ISBN | : 9781848167926 |
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This is the 2nd edition of the book, Flow Visualization: Techniques and Examples, which was published by Imperial College Press in 2000. Many of the chapters have been revised and updated to take into consideration recent changes in a number of flow visualization and measurement techniques, including an updated high quality flow gallery. Unique among similar publications, this book focuses on the practical rather than theoretical aspects. Obtaining high quality flow visualization results is, in many ways, more of an art than a science, and experience plays a key deciding role. The depth and breadth of the material will make this book invaluable to readers of all levels of experience in the field.
Scientific and Technical Aerospace Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 700 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : UOM:39015038704915 |
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Flight Wind Tunnel and Computational Fluid Dynamics Comparison for Cranked Arrow Wing F 16XL 1 at Subsonic and Transonic Speeds
Author | : John E. Lamar |
Publsiher | : Unknown |
Total Pages | : 170 |
Release | : 2001 |
Genre | : Airplanes |
ISBN | : NASA:31769000474612 |
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Geometrical, flight, computational fluid dynamics (CFD), and wind-tunnel studies for the F-16XL-1 airplane are summarized over a wide range of test conditions. Details are as follows: (1) For geometry, the upper surface of the airplane and the numerical surface description compare reasonably well. (2) For flight, CFD, and wind-tunnel surface pressures, the comparisons are generally good at low angles of attack at both subsonic and transonic speeds; however, local differences are present. In addition, the shock location at transonic speeds from wind-tunnel presure contours is near the aileron hinge line and generally is in correlative agreement with flight results.
NASA Technical Paper
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 170 |
Release | : 2024 |
Genre | : Science |
ISBN | : STANFORD:36105024693207 |
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Monthly Catalogue United States Public Documents
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1484 |
Release | : 1995 |
Genre | : Government publications |
ISBN | : UIUC:30112005602161 |
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