Structure of thermal convection development based on inhomogeneous water surface cooling

Kunihiko Hamagami, Ken Mori, Hirai Yasumaru

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The generation and development of thermal convection based on inhomogeneous water surface cooling were examined by hydraulic and numerical experiments to examine the characteristics of thermal convection in a closed water body with aquatic plants. A visualization experiment revealed the structural characteristics of a whirlpool when thermal convection was generated quantitatively by using PIV analysis. Then, a water temperature measurement experiment demonstrated that a steady cold water mass generated based on the heat flux transport from the water surface increases. This explained each of the three stages in the convection development process. Moreover, aquatic plants, which grow thickly on the water surface, cause not only vertical but also horizontal flows based on the density difference with the water surface that is not covered by plants, and thus change the development process of the convection cell.

本文言語英語
ページ(範囲)373-380
ページ数8
ジャーナルPaddy and Water Environment
6
4
DOI
出版ステータス出版済み - 12 1 2008

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Agronomy and Crop Science
  • Water Science and Technology

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