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Formation Criterion for Axisymmetric Synthetic Jets at High Stokes Numbers
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SYSNO ASEP 0381078 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Formation Criterion for Axisymmetric Synthetic Jets at High Stokes Numbers Author(s) Trávníček, Zdeněk (UT-L) RID, ORCID
Broučková, Zuzana (UT-L) RID, ORCID
Kordík, Jozef (UT-L) RID, ORCIDSource Title AIAA Journal - ISSN 0001-1452
Roč. 50, č. 9 (2012), s. 2012-2017Number of pages 6 s. Publication form Print - P Language eng - English Country US - United States Keywords synthetic jet ; power spectral density ; hot-wire anemometry Subject RIV BK - Fluid Dynamics R&D Projects IAA200760801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GCP101/11/J019 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) UT WOS 000308278400010 DOI https://doi.org/10.2514/1.J051649 Annotation The paper is an experimental investigation of the formation criterion of synthetic jets in the Stokes number range of 73 to 292. The working fluid is air. Considering the slug flow model, the criterion is quantified using the hot-wire anemometry. Two evaluation methods are used based on the power characteristics and the power spectrum online observation. The formation criterion is correlated in terms of the Reynolds-Stokes number relationship. Alternatively, it is quantified using the critical stroke length, which systematically decreases from 0.6 to 0.3 as the Stokes number increases from 73 to 292. 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 2013
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