Characteristics of Gust Factors in Kyushu by Several Wind Directions

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  • Tomokiyo Eriko
    Department of Urban and Architecture, Faculty of Human-Environment Studies, Kyushu University
  • Maeda Junji
    Department of Urban and Architecture, Faculty of Human-Environment Studies, Kyushu University
  • Tsuru Norio
    Department of Ueban Design, Planning and Disaster Management, Graduate School of Human-Environment Studies, Kyushu University
  • Ishida Nobuyuki
    Department of Ueban Design, Planning and Disaster Management, Graduate School of Human-Environment Studies, Kyushu University

Bibliographic Information

Other Title
  • 九州地区での風向別突風率特性
  • キュウシュウ チク デ ノ フウコウ ベツ トップウリツ トクセイ

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Abstract

It is well known that some topography causes a wind increase and unexpected gust factors. To examine the characteristics of the gust factors by every wind direction throughout Kyushu area, the authors have organized a database of strong wind data classified into non-typhoon and typhoon. The authors have confirmed the different tendencies of gust factors according to the wind direction at several terrains using the database. The database shows that the gust factors of winds by a typhoon are generally higher than by non-typhoon even when the wind speed is high. And the authors have found that the gust factor at Imajuku, the western part of Fukuoka City, is much higher in southern wind direction. Such a database on the gust factors is useful to estimate a peak gust in strong winds.

Journal

  • 都市・建築学研究

    都市・建築学研究 2 29-40, 2002-07-15

    Faculty of Human-Environment Studies, Kyushu University

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