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  • This paper presents first results of numerical simulation of turbulent free-surface flow. Simple implementation of surface capturing method is based on the variable density approach. The SST k − omega turbulence model model was used in modification given by Hellsten. Numerical solution was carried out by finite-volume method with explicit Runge-Kutta time-integration. The artificial compressibility method was used for time-marching search for steady state solution. The whole model was tested on horizontally placed square-sectioned 90° bend, which was partially filled by the water.
  • This paper presents first results of numerical simulation of turbulent free-surface flow. Simple implementation of surface capturing method is based on the variable density approach. The SST k − omega turbulence model model was used in modification given by Hellsten. Numerical solution was carried out by finite-volume method with explicit Runge-Kutta time-integration. The artificial compressibility method was used for time-marching search for steady state solution. The whole model was tested on horizontally placed square-sectioned 90° bend, which was partially filled by the water. (en)
  • Článek prezentuje první výsledky numerických simulací turbulentního proudění s volnou hladinou. Poloha volné hladiny je určena pomocí jednoduché implementace modelu proudění s proměnnou hustotou. Turbulence je modelována pomocí SST k=omega modelu v úpravě dle Hellstena. Numerické řešení je prováděno pomocí metody konečných objemů ve spojení s explicitním schématem typu Runge-Kutta pro integraci v čase. Stacionární řešení je hledáno pomocí metody ustalování užitím umělé stlačitelnosti. Model je testován na případu horizontálně umístěného kanálu se čtvercovým průřezem a devadesátistupňovým zakřivením, který je částečně naplněn vodou. (cs)
Title
  • Numerical Simulation of Turbulent Free-Surface Flow in Curved Channel
  • Numerická simulace turbulentního proudění s volnou hladinou v zakřiveném kanále (cs)
  • Numerical Simulation of Turbulent Free-Surface Flow in Curved Channel (en)
skos:prefLabel
  • Numerical Simulation of Turbulent Free-Surface Flow in Curved Channel
  • Numerická simulace turbulentního proudění s volnou hladinou v zakřiveném kanále (cs)
  • Numerical Simulation of Turbulent Free-Surface Flow in Curved Channel (en)
skos:notation
  • RIV/68407700:21220/06:02121474!RIV07-GA0-21220___
http://linked.open.../vavai/riv/strany
  • 429;442
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/06/0461), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika
  • 4
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
  • 489384
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21220/06:02121474
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • artificial compressibility; finite volume; free-surface; turbulent flow (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [F3BBF99F947B]
http://linked.open...i/riv/nazevZdroje
  • Flow, Turbulence and Combustion
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...v/svazekPeriodika
  • 76
http://linked.open...iv/tvurceVysledku
  • Bodnár, Tomáš
  • Příhoda, Jaromír
http://linked.open...n/vavai/riv/zamer
issn
  • 1386-6184
number of pages
http://localhost/t...ganizacniJednotka
  • 21220
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