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Annular impinging jet controlled by radial synthetic jets
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SYSNO ASEP 0378917 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Annular impinging jet controlled by radial synthetic jets Author(s) Trávníček, Zdeněk (UT-L) RID, ORCID
Tesař, Václav (UT-L) RID
Broučková, Zuzana (UT-L) RID, ORCID
Peszyński, K. (PL)Source Title 9th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT-2012). - University of Pretoria : HEFAT, 2012 / Meyer J. - ISBN 978-1-86854-986-3 Pages s. 487-493 Number of pages 7 s. Publication form Medium - C Action International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics /9./ HEFAT-2012 Event date 16.06.2012-18.6.2012 VEvent location Malta Country MT - Malta Event type WRD Language eng - English Country ZA - South Africa Keywords impinging jet ; synthetic jet ; naphthalene sublimation 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) Annotation This experimental study focuses on generation and control of annular impinging jets. An annular nozzle was designed with an active flow control system using twelve radial synthetic jets issuing from the central body of the nozzle. Measurements of the wall pressure and wall mass transfer were performed with air as the working fluid. The control action causes modification of the flowfield resulting in changes of the corresponding heat/mass transfer distributions. The convective transfer rate on the stagnation circle can be demonstrably enhanced by 20% at a moderate nozzle-to-wall distance, equal to 0.6 of the nozzle outer diameter. 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
Number of the records: 1