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Description
  • Tento článek prezentuje některé z výsledků výpočtů prodění vzduchu v blízkosti bloku lesa. Matematický model je založen na systému Reynoldsovsky středovaných Navierových-Stokesových rovnic pro nestlačitelné proudění. Model proudění v lesním porostu je pak představován dodatečnými aerodynamickými silami v těchto rovnicích. Tento systém rovnic je doplněn jednoduchým algebraickým modelem turbulence. Numerické řešení modelu je prováděno pomocí semi-implicitního schématu ve formě konečných diferencí. Na závěr jsou prezentovány testy modelu na jednoduchých konfiguracích. Je diskutována citlivost modelu vzhledem k parametrům lesního porostu. (cs)
  • This paper presents some of the results of numerical simulation of flow in the proximity of forest block. The mathematical model is based on Reynolds averaged Navier-Stokes equations for incompressible flows. The forest canopy model introduces some additional aerodynamic forces into these equations. Turbulent closure of the model is obtained by simple algebraic turbulence model. The numerical solution is carried out by the semiimplicit finite-difference scheme. The results of simple tests are presented and summarized. Model sensitivity has been studied with respect to canopy parameters.
  • This paper presents some of the results of numerical simulation of flow in the proximity of forest block. The mathematical model is based on Reynolds averaged Navier-Stokes equations for incompressible flows. The forest canopy model introduces some additional aerodynamic forces into these equations. Turbulent closure of the model is obtained by simple algebraic turbulence model. The numerical solution is carried out by the semiimplicit finite-difference scheme. The results of simple tests are presented and summarized. Model sensitivity has been studied with respect to canopy parameters. (en)
Title
  • Numerická simulace proudění vzduchu v blízkosti bloku lesního porostu (cs)
  • Numerical Simulation of Wind Flow in the Vicinity of Forest Block
  • Numerical Simulation of Wind Flow in the Vicinity of Forest Block (en)
skos:prefLabel
  • Numerická simulace proudění vzduchu v blízkosti bloku lesního porostu (cs)
  • Numerical Simulation of Wind Flow in the Vicinity of Forest Block
  • Numerical Simulation of Wind Flow in the Vicinity of Forest Block (en)
skos:notation
  • RIV/68407700:21220/04:02099332!RIV/2005/MSM/212205/N
http://linked.open...avai/riv/aktivita
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  • P(OC 715.70)
http://linked.open...vai/riv/dodaniDat
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  • 576899
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  • RIV/68407700:21220/04:02099332
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  • Atmospheric Boundary Layer; canopy; forest; vegetation (en)
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http://linked.open...i/riv/kodPristupu
http://linked.open...ontrolniKodProRIV
  • [880738FC636E]
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http://linked.open...iv/tvurceVysledku
  • Bodnár, Tomáš
  • Sládek, Ivo
  • Gulíková, E.
https://schema.org/isbn
  • 0-9657001-6-X
http://localhost/t...ganizacniJednotka
  • 21220
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