In this paper, measurements are presented of the velocity profile in a mini-channel at different locations. The channel is rectangular in cross-section, approximately 1.2mm wide, 1.4mm deep and 29mm long. A micro-PIV system was used to obtain the velocity profiles at the inlet, mid-length and exit of the channel. The raw image maps were processed using three different commercial PIV software packages, and compared to an exact analytical solution. The mini-channel system was also simulated using a commercial CFD code as a further check on the dataset, and the experimental rig itself. It was found that the different processing procedures had little influence on the micro-PIV data, and good agreement was found with theory, numerical prediction and experiment. This establishes confidence in micro-PIV as a measurement tool in micro-systems.
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ASME 2003 1st International Conference on Microchannels and Minichannels
April 24–25, 2003
Rochester, New York, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-3667-3
PROCEEDINGS PAPER
A Comparison of Micro-PIV Experiments in a Mini-Channel to Numerical and Analytical Solutions
D. Newport,
D. Newport
University of Limerick, Limerick, Ireland
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D. Curtin,
D. Curtin
University of Limerick, Limerick, Ireland
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M. Davies
M. Davies
University of Limerick, Limerick, Ireland
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D. Newport
University of Limerick, Limerick, Ireland
D. Curtin
University of Limerick, Limerick, Ireland
M. Davies
University of Limerick, Limerick, Ireland
Paper No:
ICMM2003-1120, pp. 903-910; 8 pages
Published Online:
February 24, 2009
Citation
Newport, D, Curtin, D, & Davies, M. "A Comparison of Micro-PIV Experiments in a Mini-Channel to Numerical and Analytical Solutions." Proceedings of the ASME 2003 1st International Conference on Microchannels and Minichannels. 1st International Conference on Microchannels and Minichannels. Rochester, New York, USA. April 24–25, 2003. pp. 903-910. ASME. https://doi.org/10.1115/ICMM2003-1120
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