About: Numerical Modeling of Street Canyon Particle Re-suspension Driven by Ground Air Velocity and Kinetic Energy of Turbulence     Goto   Sponge   NotDistinct   Permalink

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  • This paper introduces the numerical modeling of re-suspension of once deposited particles in the studies street canyon located in a large urban area. The CFD code StarCD was used to build up the numerical model of the studied area and perform the calculations. We considered PM10 spherical particles with density 300 kg/m3. An air velocity predicted in the central nods of control volumes just above the ground surface was compared with the threshold re-suspension air velocity. With respect to detail geometry of a ground surface of the studied street canyon, we specified the threshold wind velocity at height of 0.35 m as 0.56 m/s. Three different variants of the driving air velocity calculations were tested. First, only a horizontal component of an air velocity was considered. Second, the driving velocity was expressed as a sum of a mean air velocity and a fluctuation air velocity component. The most realistic results were obtained with the driving velocity expressed as a sum of a mean air velocity and 70
  • This paper introduces the numerical modeling of re-suspension of once deposited particles in the studies street canyon located in a large urban area. The CFD code StarCD was used to build up the numerical model of the studied area and perform the calculations. We considered PM10 spherical particles with density 300 kg/m3. An air velocity predicted in the central nods of control volumes just above the ground surface was compared with the threshold re-suspension air velocity. With respect to detail geometry of a ground surface of the studied street canyon, we specified the threshold wind velocity at height of 0.35 m as 0.56 m/s. Three different variants of the driving air velocity calculations were tested. First, only a horizontal component of an air velocity was considered. Second, the driving velocity was expressed as a sum of a mean air velocity and a fluctuation air velocity component. The most realistic results were obtained with the driving velocity expressed as a sum of a mean air velocity and 70 (en)
  • This paper introduces the numerical modeling of re-suspension of once deposited particles in the studies street canyon located in a large urban area. The CFD code StarCD was used to build up the numerical model of the studied area and perform the calculations. We considered PM10 spherical particles with density 300 kg/m3. An air velocity predicted in the central nods of control volumes just above the ground surface was compared with the threshold re-suspension air velocity. With respect to detail geometry of a ground surface of the studied street canyon, we specified the threshold wind velocity at height of 0.35 m as 0.56 m/s. Three different variants of the driving air velocity calculations were tested. First, only a horizontal component of an air velocity was considered. Second, the driving velocity was expressed as a sum of a mean air velocity and a fluctuation air velocity component. The most realistic results were obtained with the driving velocity expressed as a sum of a mean air velocity and 70 (cs)
Title
  • Numerical Modeling of Street Canyon Particle Re-suspension Driven by Ground Air Velocity and Kinetic Energy of Turbulence
  • Modelování re-suspenze prachových částic řízené přízemní rychlostí a kinetickou energií turbulence v měsských uličních kaňonech (cs)
  • Numerical Modeling of Street Canyon Particle Re-suspension Driven by Ground Air Velocity and Kinetic Energy of Turbulence (en)
skos:prefLabel
  • Numerical Modeling of Street Canyon Particle Re-suspension Driven by Ground Air Velocity and Kinetic Energy of Turbulence
  • Modelování re-suspenze prachových částic řízené přízemní rychlostí a kinetickou energií turbulence v měsských uličních kaňonech (cs)
  • Numerical Modeling of Street Canyon Particle Re-suspension Driven by Ground Air Velocity and Kinetic Energy of Turbulence (en)
skos:notation
  • RIV/00216305:26210/07:PU70970!RIV08-MSM-26210___
http://linked.open.../vavai/riv/strany
  • 307-311
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1P04OC633.001)
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
  • 438116
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26210/07:PU70970
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • particulate matter, re-suspension, modelling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [79B85F681F41]
http://linked.open...v/mistoKonaniAkce
  • Cambrigde
http://linked.open...i/riv/mistoVydani
  • Cambridge, UK
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the11th Interantional Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purpose
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
  • Jícha, Miroslav
  • Pospíšil, Jiří
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Cambridge Environmental research Consultants, Cambridge, UK
https://schema.org/isbn
  • 978-1-873702-03-1
http://localhost/t...ganizacniJednotka
  • 26210
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