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| Description
| - The contribution presents a mathematical and numerical investigation of the atmospheric boundary layer (ABL) flow over 3D complex terrain including pollution dispersion. Two real-life cases of flow field have been modeled. The first one is part of Giant mountains in the north Bohemia. The second one is brown coal depot. The influence of rampart and protective tree lines on the reduction of dustiness has been studied. Two following mathematical models have been used: 1) the RANS equations, 2) the Boussinesq approximation of RANS equations, both formulated for an incompressible flow. The full system of RANS equations in conservative form was solved using finite-volume explicit scheme. Semi-implicit finite-difference numerical method was used for the Boussinesq approximation in non-conservative form. A simple turbulent closure was used in both cases. Additional transport equation for concentration of passive pollutant has been considered in order to study the pollution dispersion.
- The contribution presents a mathematical and numerical investigation of the atmospheric boundary layer (ABL) flow over 3D complex terrain including pollution dispersion. Two real-life cases of flow field have been modeled. The first one is part of Giant mountains in the north Bohemia. The second one is brown coal depot. The influence of rampart and protective tree lines on the reduction of dustiness has been studied. Two following mathematical models have been used: 1) the RANS equations, 2) the Boussinesq approximation of RANS equations, both formulated for an incompressible flow. The full system of RANS equations in conservative form was solved using finite-volume explicit scheme. Semi-implicit finite-difference numerical method was used for the Boussinesq approximation in non-conservative form. A simple turbulent closure was used in both cases. Additional transport equation for concentration of passive pollutant has been considered in order to study the pollution dispersion. (en)
- V příspěvku je presentováno matematické a numerické studium mezní vrstvy atmosféry (MVA) nad 3D komplexním terénem s uvažováním přenosu znečištění. Byly modelovány dva reálné případy. První z nich je část Krkonoš, druhý proudění nad částí hnědouhelného povrchového dolu. V druhém případě byl studován vliv ochranného valu a řady stromů na snížení prašnosti. Byly použity dva matematické modely: 1) RANS rovnice, 2) Boussinesquova aproximace RANS rovnic. Oba modely jsou užity pro vazké nestlačitelné proudění. Systém RANS rovnic v konzervativním tvaru byl řešen explicitní metodou konečných objemů. Semiimplicitní metoda konečných diferencí byla užita pro řešení Boussinesquovy aproximace v nekonzervativním tvaru. V obou případech byl užit jednoduchý algebraický model turbulence. Pro modelování přenosu znečištění byla užita transportní rovnice. (cs)
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| Title
| - Numerical Modeling of Two Real-Life Cases of ABL Flow
- Numerical Modeling of Two Real-Life Cases of ABL Flow (en)
- Numerické modelování dvou reálných případů proudění v MVA (cs)
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| skos:prefLabel
| - Numerical Modeling of Two Real-Life Cases of ABL Flow
- Numerical Modeling of Two Real-Life Cases of ABL Flow (en)
- Numerické modelování dvou reálných případů proudění v MVA (cs)
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| skos:notation
| - RIV/68407700:21220/04:02100585!RIV07-MSM-21220___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(OC 715.70), Z(MSM 210000010)
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21220/04:02100585
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - ABL; canopy layer; pollution dispersion (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...i/riv/kodPristupu
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...n/vavai/riv/nosic
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Beneš, Luděk
- Bodnár, Tomáš
- Kozel, Karel
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| http://linked.open...n/vavai/riv/zamer
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| http://localhost/t...ganizacniJednotka
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