LES ON THE EFFECT OF BI-MOLECULAR REACTIONS ON THE AIR POLLUTANTS DISPERSION IN URBAN STREET CANYONS WITH VARIOUS ROOF-HEIGHTS

• KIKUMOTO Hideki

  Graduate Student, Dept. of Architecture, Faculty of Eng., The Univ. of Tokyo

• OOKA Ryozo

  Prof., I.I.S., The Univ. of Tokyo, Dr. Eng.

Bibliographic Information

Other Title

• ストリートキャニオン内部での大気汚染物質拡散に街区形態と二分子化学反応が与える影響に関するLES
• Development of prediction system for micro-scale atmospheric pollution Part 2
• マイクロスケール大気汚染予測システムの開発　その2

Abstract

Large-eddy simulations (LES) are performed on the reactive air pollutants dispersion in three kinds of urban street canyons that have various roof-heights levels. A line source that emits nitrogen monoxide (NO) is set on the bottom of the canyon space in each case. NO disperses on the cavity eddy and reacts with Ozone included in the free stream. The reaction has a significant influence on the concentration field of a city block scale. However its influence rate changes in different urban configurations, making magnitude relations between concentrations of Ozone, NO and the product are altered in three analysis cases.

Journal

• Journal of Environmental Engineering (Transactions of AIJ)

  Journal of Environmental Engineering (Transactions of AIJ) 76 (666), 697-704, 2011

  Architectural Institute of Japan

Keywords

• <i>LES</i>
• <i>Street Canyon</i>
• <i>Urban Ventilation</i>
• <i>Bimolecular Reaction</i>

Details

• CRID: 1390001205201443968
• NII Article ID: 130004506305
• DOI: 10.3130/aije.76.697
• ISSN: 1881817X
• ISSN: 13480685
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed