Abstract
A new technique, named "Microprocessor-Controlled Stroboscope High Speed Photography", has been tested. This instrument uses sequential flashes of different colours, with the frequency controlled by a microprocessor to freeze the motion of individual moving tracer particles. By this means, a series of different colour images of moving particles can be recorded on each frame of film. Accordingly, the velocities, accelerations and trajectories of moving particles can be determined, and circulation patterns can be traced. Tests were carried out with particles of 100 to 500 μm diameter in a Circulating Fluidized Bed (CFB), with measured velocities from 0.56 m/s to 10 m/s to demonstrate the usefulness of the new technique.
Original language | English |
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Pages (from-to) | 917-925 |
Number of pages | 9 |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 1801 |
DOIs | |
Publication status | Published - 1 Jan 1993 |
Externally published | Yes |
Event | 20th International Congress on High Speed Photography and Photonics 1992 - Victoria, Canada Duration: 21 Sept 1992 → 25 Sept 1992 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering