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Laser-cantilever anemometer: A new high-resolution sensor for air and liquid flows

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6 Author(s)
Barth, Stephan ; Carl von Ossietzky University of Oldenburg, D-26111 Oldenburg, Germany ; Koch, Holger ; Kittel, Achim ; Peinke, Joachim
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In this article, we present a technical description of a new type of anemometer for gas and especially liquid flows with high temporal and spatial resolution. The principle of the measurement is based on the atomic force microscope technique where microstructured cantilevers are used to detect extreme small forces. We demonstrate the working principle and the design of the sensor, as well as calibration measurements and initial measurements of turbulent flows, which were performed in air and water flows.

Published in:

Review of Scientific Instruments  (Volume:76 ,  Issue: 7 )