Lectures (4 half days) and experiments and demonstrations in the laboratory (5 half days) will run from 8:30 to 12:30 from Monday to Friday and in the afternoon from 13:30 to 17:00 from Monday to Thursday, respectively. All presentations will be given in English.
The book 'Particle Image Velocimetry - A practical guide (3rd Edition)' (published by Springer, 2018) and the digital proceedings of the International Symposium of PIV'25 will be distributed to the participants after payment.
Registration will be possible online starting begin of October 2025.
Monday, March 16, 2026 (08:30-17:30) - Welcome by Dr. Lars Koop, Head of Department of Experimental Methods, Institute of Aerodynamics and Flow Technology
- Principles of PIV technique: Flow tracing by particle imaging, light scattering, recording and analysis of PIV images
- Application: Digital PIV, video recording, CCD/CMOS sensors
- Application of PIV technique: Considerations for design of PIV/LPT systems, PIV and LPT systems for wind tunnels, Synchronization, Illumination
- Principles: Theoretical aspects of evaluation of digital PIV recordings, cross-correlation, image deformation, peak detection, evaluation of stereoscopic PIV recordings
- Principles: Statistics of PIV images
- Data validation
- BOS techniques
Tuesday, March 17, 2026 (08:30-17:00) - Application: Advanced PIV evaluation methods
- Practical aspects of evaluation of digital PIV recordings, measurement uncertainties
- Principles: Stereo-, Multiplane Stereo-and Time Resolved PIV
- Camera calibration of (Stereo) PIV and LPT systems
- Tomo PIV, Volume-Self-Calibration and OTF
- Vector field operators, data analysis and presentation
- Practices I
Wednesday, March 18, 2026 (08:30-17:00) - Principles: Advanced 3D PIV techniques, optical principles of plenoptic,coded aperture, astigmatic and holographic methods, 3D-PTV methods
- Principles: 3D LPT by STB, advanced IPR,TR-, 4-pulse- and 2-pulse-STB, online VSC by global-shake, TrackFit, FlowFit and PINN data assimilation
- Applications: STB and bin-averaging, STB in fluid mechanics and aerodynamics, FlowFit and 3D pressure, VGT, Vortex criteria, dissipation rate
- Micro PIV, two-phase flow measurements and combined PIV/LIF
- Practices II
Thursday, March 19, 2026 (08:30-17:00) - Practices III
- Technical session - Presentation of PIV/LPT systems and components
- Practices IV
Friday, March 20, 2026 (08:30-13:30) - Practices V
- Future aspects and final discussion
Practices: - Optics: imaging, Laser illumination and light-sheet optics
- Image capture in wind tunnel: seeding, Laser, illumination optics, triggering, CMOS recording, calibration, optical distortions, Stereo PIV
- Image capture for large scale air or water flows: pulsed LEDs, sCMOS cameras recording, Helium-Filled-Soap-Bubbles (air) or polyamide particles (water), Shake-The-Box
- Evaluation and post-processing: cross-correlation methods, data validation, data analysis and presentation
- Density measurements (Background oriented Schlieren (BOS)) + PIV/LPT related techniques: high-speed video systems, LEDs, sequencer technique
Exhibition of manufactures on Thursday, March 19 and Friday, March 20.
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