S Bergeler and H Krambeer 2004 Meas. Sci. Technol. 15 1309 doi:10.1088/0957-0233/15/7/012
S Bergeler and H Krambeer
Show affiliationsIn this paper, modified opto-electronic non-contact measuring techniques for the determination of velocity, direction of motion and particle size are presented. These techniques are based on the use of two-dimensional structured photodetector arrays such as CMOS sensors. The principle of measurement utilized is the optical spatial filtering method, which is in widespread use in industrial velocimeters.
42.79.Ci Filters, zone plates, and polarizers
85.60.Gz Photodetectors (including infrared and CCD detectors)
06.30.Gv Velocity, acceleration, and rotation
47.55.Kf Multiphase and particle-laden flows
47.80.-v Instrumentation and measurement methods in fluid dynamics
Issue 7 (July 2004)
Received 15 August 2003, in final form 7 May 2004
Published 16 June 2004
S Bergeler and H Krambeer 2004 Meas. Sci. Technol. 15 1309
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