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Sensors 2009, 9(4), 2222-2251; doi:10.3390/s90402222
Article

The Micro-Pillar Shear-Stress Sensor MPS3 for Turbulent Flow

1, 2,*  and 1
Received: 9 January 2009; in revised form: 25 March 2009 / Accepted: 26 March 2009 / Published: 30 March 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Germany)
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Abstract: Wall-shear stress results from the relative motion of a fluid over a body surface as a consequence of the no-slip condition of the fluid in the vicinity of the wall. To determine the two-dimensional wall-shear stress distribution is of utter importance in theoretical and applied turbulence research. In this article, characteristics of the Micro-Pillar Shear-Stress Sensor MPS3, which has been shown to offer the potential to measure the two-directional dynamic wall-shear stress distribution in turbulent flows, will be summarized. After a brief general description of the sensor concept, material characteristics, possible sensor-structure related error sources, various sensitivity and distinct sensor performance aspects will be addressed. Especially, pressure-sensitivity related aspects will be discussed. This discussion will serve as ‘design rules’ for possible new fields of applications of the sensor technology.
Keywords: Fluid Mechanics; Turbulence; Wall-Shear Stress; Skin Friction; Micro-Pillar Shear-Stress Sensor MPS³ Fluid Mechanics; Turbulence; Wall-Shear Stress; Skin Friction; Micro-Pillar Shear-Stress Sensor MPS³
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Große, S.; Schröder, W. The Micro-Pillar Shear-Stress Sensor MPS3 for Turbulent Flow. Sensors 2009, 9, 2222-2251.

AMA Style

Große S, Schröder W. The Micro-Pillar Shear-Stress Sensor MPS3 for Turbulent Flow. Sensors. 2009; 9(4):2222-2251.

Chicago/Turabian Style

Große, Sebastian; Schröder, Wolfgang. 2009. "The Micro-Pillar Shear-Stress Sensor MPS3 for Turbulent Flow." Sensors 9, no. 4: 2222-2251.



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