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Measuring Unsteady Axial Velocity of Fibres and Threads
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SYSNO ASEP 0329044 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measuring Unsteady Axial Velocity of Fibres and Threads Title Měření nestacionární osové rychlosti vláken a nití Author(s) Tesař, Václav (UT-L) RID Source Title Sensors and Actuators A - Physical. - : Elsevier - ISSN 0924-4247
Roč. 155, č. 1 (2009), s. 89-97Number of pages 28 s. Language eng - English Country CH - Switzerland Keywords thread ; fibre ; fluidics ; sensors Subject RIV BK - Fluid Dynamics R&D Projects IAA200760705 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA101/07/1499 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) UT WOS 000271601900012 DOI 10.1016/j.sna.2009.08.011 Annotation To measure axial motions of fibres and threads is difficult. The described fluidic sensor uses colliding air jets through which the fibre passes axially, accelerating one of them while slowing down the opposite jet. Output signal is the pressure difference in collectors surrounding the collision stagnation point. The design successfully tested is described in detail. Surprisingly, performed computations discovered that the sensor actually operates in a manner not in complete agreement with the original idea upon which was based design of the laboratory model. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2010
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