This article introduces the methodic for the study of smart surfaces using PIV method. The problem of investigation of super- and ultrahydrophobic- surfaces deals with the quantifying description of the fluid flow behavior in the near-wall region. The objective is to realize comparative study of commercial smart surfaces and their interaction of fluid flow according to the assessment of contact angle. The article interprets the results of measurement of fluid behavior over the whole testing chamber and the synchronized near-wall measurement with optimized dynamic range. The results are shown in the correlation of measured contact angle before and after testing and there are explained changes in the flow behavior.

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