大気中の境界面における流速分布及び密度分布が与える擾乱への影響の考察 THE EFFECTS OF VELOCITY AND DENSITY PROFILES ON THE ATMOSPHERIC INTERFACE

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抄録

Schmid & Henningson discussed the point disturbance in the homogeneous medium of piecewise linear boundary layer using the method of stationary phase. In addition to this study, we include the density profile to consider the inhomogeneous boundary layer like atmospheric boundary layer. We assume first that the fluid is inviscid and incompressible, density being convected but not diffused. Then the fundamental equations are the Navier-Stokes equations, continuity equation and incompressibility equation and we derive the 3-dimentional Taylor-Goldstein equation. Under the Boussinesq approximation, we obtain the exact solution about the point disturbance propagation on the arbitrary horizontal plane. Using internal Froude number, we explain the characteristics of the solutions.

収録刊行物

  • 土木学会論文集B1(水工学)

    土木学会論文集B1(水工学) 70(4), I_871-I_876, 2014

    公益社団法人 土木学会

各種コード

  • NII論文ID(NAID)
    130005070131
  • 本文言語コード
    JPN
  • ISSN
    1880-8751
  • NDL 記事登録ID
    025433584
  • NDL 請求記号
    YH247-620
  • データ提供元
    NDL  J-STAGE 
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