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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/81334

    Title: Cross Spectra of Wind Pressures on Domed Roofs in Boundary Layer Wind Tunnel
    Authors: 羅元隆
    Contributors: 淡江大學土木工程學系
    Keywords: Domed roof, Roof curvature;Wind pressure fluctuation;Cross spectrum;Root-coherence;Phase distribution
    Date: 2012-09-02
    Issue Date: 2013-03-11
    Abstract: This research intends to investigate the cross spectrum characteristics of wind pressure fluctuations on the surface along the meridian of domed roofs under turbulent wind flows. Wind pressure experiments of domed roofs are conducted considering two roof curvatures and three heights of side walls. From the experimental results, various distribution types of co-coherences are examined and the traditional exponential decaying form is shown insufficient to approximate the general characteristics of co-coherences. By combining the proposed models by Uematsu et al and Kanda et al and also a phase shift parameter included, the approxi-mation model is then improved to represent the observed coherences generally.
    Relation: Proceedings of The Seventh International Colloquium on Bluff Body Aerodynamics and Applications, 10p.
    Appears in Collections:[Graduate Institute & Department of Civil Engineering] Proceeding

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