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Description
  • Anemometrická data získaná vyšetřováním dvou syntetizovaných proudů vytékajících z trysky o průměru 4 mm, lišících se frekvencí (25 Hz a 50 Hz) byla aplikována na řešení zatopeného proudu s jednorovnicovým modelem turbulence. Umožnilo to získat prostorová rozložení nestacionárních pohybů. Klasický přístup založený na podobnosti profilů veličin musel být modifikován a řešení přichází s novým konceptem quasi-similarity. Významným poznatkem je nalezení diskontinuity ve struktuře nestacionárních pohybů – počáteční úsek s velkými víry je vystřídán úsekem se zpočátku drobnými turbolentními pohyby. (cs)
  • Anemometric data obtained on two synthetic jets issuing from 4 mm dia nozzle, differing in their frequency (25 Hz and 50 Hz), were applied to one-equation turbulence model solution of jets. It made possible evaluating spatial distributions of unsteady motion in the jets. The classical concept of similarity, however, ceased to be applicable and a concept of quasi-similarity was introduced. An important finding was the discontinuity found in the structure of the unsteady motions – the intial region dominated by large vortices is changed into a region of initially smaller/scale turbulent eddies.
  • Anemometric data obtained on two synthetic jets issuing from 4 mm dia nozzle, differing in their frequency (25 Hz and 50 Hz), were applied to one-equation turbulence model solution of jets. It made possible evaluating spatial distributions of unsteady motion in the jets. The classical concept of similarity, however, ceased to be applicable and a concept of quasi-similarity was introduced. An important finding was the discontinuity found in the structure of the unsteady motions – the intial region dominated by large vortices is changed into a region of initially smaller/scale turbulent eddies. (en)
Title
  • Parametrs of Turbulence Model Applied to Synthetic Jets
  • Parametrs of Turbulence Model Applied to Synthetic Jets (en)
  • Parametry modelu turbulence aplikovaného na syntetizované proudy (cs)
skos:prefLabel
  • Parametrs of Turbulence Model Applied to Synthetic Jets
  • Parametrs of Turbulence Model Applied to Synthetic Jets (en)
  • Parametry modelu turbulence aplikovaného na syntetizované proudy (cs)
skos:notation
  • RIV/61388998:_____/08:00308902!RIV09-AV0-61388998
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA101/07/1499), P(IAA200760705), Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 385911
http://linked.open...ai/riv/idVysledku
  • RIV/61388998:_____/08:00308902
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • synthetic jet; similarity solution; turbulence (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D875D7D317D2]
http://linked.open...v/mistoKonaniAkce
  • Holany-Litice
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • 22nd Symposium on Anemometry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Tesař, Václav
  • Kordík, Jozef
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Institute of Hydrodynymics ASVR, v. v. i.
https://schema.org/isbn
  • 978-80-87117-04-0
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