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Whole-field instantaneous 3D PIV measurement in air
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UNSPECIFIED (1997) Whole-field instantaneous 3D PIV measurement in air. In: Conference on Optical Technology in Fluid, Thermal, and Combustion Flow III, SAN DIEGO, CA, JUL 28-31, 1997. Published in: OPTICAL TECHNOLOGY IN FLUID, THERMAL, AND COMBUSTION FLOW III, 3172 pp. 551-560. ISBN 0-8194-2594-X. ISSN 0277-786X.
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Abstract
A Three dimensional measurement is presented of both the in-plane and out-of-plane components of the flow field velocity of 0.5 mu m styrene particles at 30 ms(-1) in air from a calibrated nozzle by using a co-linear side scattering PIV (Particle Image Velocimetry) approach. The light sheet used to illuminate the particles was generated using a Nd-YAG laser (200mJ), operating in triple pulse mode. The scattered light from the particle was imaged through a near diffraction limited lens. The particle images have been analysed from both their respective diffraction patterns and from their out of focus intensity profile. The authors show that the co-linear 3D PIV method can be used to determine the particle velocity in three directions.
Results have been presented for different flow angles through a calibration 30ms(-1) air jet, showing that it is possible to identify the particle position in three directions, within a turbulent flow, to a spatial accuracy of +/-20 mu m.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Series Name: | PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) | ||||
Journal or Publication Title: | OPTICAL TECHNOLOGY IN FLUID, THERMAL, AND COMBUSTION FLOW III | ||||
Publisher: | SPIE-INT SOC OPTICAL ENGINEERING | ||||
ISBN: | 0-8194-2594-X | ||||
ISSN: | 0277-786X | ||||
Editor: | Cha, SS and Trolinger, JD and Kawahashi, M | ||||
Official Date: | 1997 | ||||
Dates: |
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Volume: | 3172 | ||||
Number of Pages: | 10 | ||||
Page Range: | pp. 551-560 | ||||
Publication Status: | Published | ||||
Title of Event: | Conference on Optical Technology in Fluid, Thermal, and Combustion Flow III | ||||
Location of Event: | SAN DIEGO, CA | ||||
Date(s) of Event: | JUL 28-31, 1997 |
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