Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第II部門

水環境 (2)

Tue. Sep 3, 2019 4:40 PM - 6:10 PM II-1 (幸町北3号館 323講義室)

座長:赤松 良久(山口大学)

[II-24] Scaling law of energy reduction by flood protection forest

*山上 路生1、岡本 隆明1 (1. 京都大学)

Keywords:flood protection forest , energy reduction, rivers in flood , hydraulic experiment, scaling

A flood protection forest is a conventional river-management measure that can fit well into the natural environment. This study focused on single-line tree models placed laterally across open-channel flows. We conducted horizontal particle image velocimetry (PIV) and drag force measurements in a laboratory flume to
examine the reduction efficiency of mean kinetic energy due to the tree members. Furthermore, a semi-theoretical formulawas developed that was found reasonable in predicting energy reduction efficiency.

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