Experimental study on the settling motion of coral grains in still water

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Chen, Jie;Yao, Zhen;He, Fei;Jiang, Changbo;Jiang, Chao;...

通讯作者：

He, F

作者机构：

[Yao, Zhen; Long, Yuannan; Bian, Cheng; Jiang, Changbo; Jiang, Chao; Wu, Zhiyuan; Deng, Bin; Chen, Jie] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.

[Long, Yuannan; Jiang, Changbo; Wu, Zhiyuan; Deng, Bin; Chen, Jie] Key Lab Dongting Lake Aquat Ecoenvironm Control &, Changsha 410114, Peoples R China.

[Long, Yuannan; Jiang, Changbo; Wu, Zhiyuan; Deng, Bin; Chen, Jie] Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.

[He, Fei] Univ Western Australia, Sch Engn, 35 Stirling Highway, Crawley, WA 6009, Australia.

通讯机构：

[He, F ] U

Univ Western Australia, Sch Engn, 35 Stirling Highway, Crawley, WA 6009, Australia.

语种：

英文

关键词：

sediment transport

期刊：

Journal of Fluid Mechanics

ISSN：

0022-1120

年：

2024

卷：

990

页码：

A15

DOI：

10.1017/jfm.2024.469

基金类别：

This study was financially supported by the National Key Research and Development Program of China (grant no. 2021YFB2601100), the National Natural Science Foundation of China (grant no. 52271257) and the Natural Science Foundation of Hunan Province (grant no. 2022JJ10047).

机构署名：

本校为第一机构

院系归属：

水利工程学院

摘要：

Understanding settling motion of coral grains is important in terms of protection of coral reef systems and resotoration of the associated ecosystems. In this paper, a series of laboratory experiments was conducted to investigate the settling motion, using optical microscopy to measure shape parameters of coral grains and the particle-filtering-based object tracking to reconstruct the three-dimensional trajectory. Three characteristic descent regimes, namely, tumbling, chaotic and fluttering, are classified based on the three-dimensional trajectory, the spiral radius variation and the velocity...

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Experimental study on the settling motion of coral grains in still water

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