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Description
  • Příspěvek se zabývá teoretickým a experimentálním výzkumem roztékání vysoce koncentrované suspenze na horizontální ploše. Původní Saint-Vennantovy rovnice nestlačitelného proudění s volnou hladinou jsou modifikovány a umožňují řešit proudění ne-newtonských tekutin s libovolnými reologickými vlastnostmi. Rovnice jsou řešeny pomocí diskontinuální Galerkinovy metody. Pro verifikaci teoretického řešení byly provedeny experimenty s osově symetrickým roztékáním ne-newtonské suspenze. Rychlosti roztékání byly snímány pomocí digitální videokamery. Teoretické i experimentální výsledky jsou v dobré shodě. (cs)
  • The contribution deals with a theoretical and experimental investigation of spreading of highly concentrated suspensions over a horizontal plane. The original set of Saint-Vennant equations of incompressible free surface flow in thin layers established for Newtonian fluids is modified to solve also flow of non-Newtonian flujids with arbitrary rheolgical behaviour. The contribution focuses on a case of axially symmetric flow over horizontal plane. Conservative equations are solved using discontinuous Galerkin method. A series of experiments was performed for verification of the theoretical solution. Highly concentrated non-Newtonian suspensions were spread over the horizontal plane and the flow depths and velocities were determined using a video-camera recording. The theoretical results and experimental data are in a good agreement.
  • The contribution deals with a theoretical and experimental investigation of spreading of highly concentrated suspensions over a horizontal plane. The original set of Saint-Vennant equations of incompressible free surface flow in thin layers established for Newtonian fluids is modified to solve also flow of non-Newtonian flujids with arbitrary rheolgical behaviour. The contribution focuses on a case of axially symmetric flow over horizontal plane. Conservative equations are solved using discontinuous Galerkin method. A series of experiments was performed for verification of the theoretical solution. Highly concentrated non-Newtonian suspensions were spread over the horizontal plane and the flow depths and velocities were determined using a video-camera recording. The theoretical results and experimental data are in a good agreement. (en)
Title
  • Thin layer flow of non-Newtonian fluid
  • Proudění ne-Newtonské tekutiny v tenké vrstvě (cs)
  • Thin layer flow of non-Newtonian fluid (en)
skos:prefLabel
  • Thin layer flow of non-Newtonian fluid
  • Proudění ne-Newtonské tekutiny v tenké vrstvě (cs)
  • Thin layer flow of non-Newtonian fluid (en)
skos:notation
  • RIV/67985874:_____/05:00022797!RIV06-AV0-67985874
http://linked.open.../vavai/riv/strany
  • 220;223
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/04/0970), Z(AV0Z20600510)
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
  • 546739
http://linked.open...ai/riv/idVysledku
  • RIV/67985874:_____/05:00022797
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • non-Newtonian fluid; Galerkin method (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [15E718E2E808]
http://linked.open...v/mistoKonaniAkce
  • Shanghai
http://linked.open...i/riv/mistoVydani
  • Monmouth Junction NJ
http://linked.open...i/riv/nazevZdroje
  • Advances in rheology and its applications : proceedings of the 4th Pacific Rim conference on rheology
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
  • Chára, Zdeněk
  • Hoření, Bohumír
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
  • Science Press USA inc
https://schema.org/isbn
  • 1-933100-08-7
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