Internal combustion engine study on boundary layers Boundary layer flows in internal combustion engines are very poorly understood because of a lack of detailed high-resolution experimental data. The image sequence shows eight vector fields (only every second vector is shown for clarity) with the velocity magnitude as the colored image background that were measured with a high-speed micro-PIV setup at the University of Michigan. Experimental setupResultsCourtesy of V. Sick et al., University of Michigan, USA
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