Measurements with a 2D Laser‐Cantilever‐Anemometer compared to an x‐wire probe

Abstract

The 2D Laser‐Cantilever‐Anemometer (2D‐LCA) was developed to measure flow velocities in two dimensions. A sensitive meausuring principle adopted from atomic force microscopes allows a spatial and temporal resolution comparable to modern x‐wire anemometry. (© 2009 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

A new approach to highly resolved measurements of turbulent flow

“…For the 2d-LCA a GRIN-lens with a diameter of 1.8 mm and a pitch length of 0.16 is used. The big advantages of these lenses compared to spherical lenses are the almost non-existent spherical aberrations and the compact size [2].…”

Investigation of the small-scale statistics of turbulence in the Modane S1MA wind tunnel

“…The 2D-Laser Cantilever Anemometer has been developed at the University of Oldenburg [10] as an alternative to commercial x-hot-wires. It features a spatial resolution of about 160 µm and a temporal resolution of about 100kHz.…”

“…One of the most studied configurations of this type is obtained by considering the flow between two counter-rotating impellers in a cylindrical vessel full of water (the so-called von Karman flow). Such swirling flows have been extensively investigated in the turbulence community [7,10,11]. However this geometry has several drawbacks.…”

A theoretical model of Lorentz force particle analyzer: a potential flow perspective

“…Figure 4 indicates that this global force ( ) F 0 is constant in the case of fluid flow without insulating particles. This force can be measured with a high-resolution force sensor, such as a laser-cantilever apparatus [21][22][23].…”