Experimental studies on initiation of current-induced movement of mud

doi:10.1016/j.apor.2018.09.006

IMECH-IR > 职能与支撑部门

	Experimental studies on initiation of current-induced movement of mud
	Yang B ; Luo Y; Jeng DS ; Feng J; 呼和敖德
发表期刊	APPLIED OCEAN RESEARCH
	2018-11-01
卷号	80 页码:220-227
ISSN	0141-1187
摘要	The initiation movement of mud exposed to currents was investigated experimentally. The initial movement of mud with different sedimentary densities was determined by measuring the flow velocity and grey level of water's image synchronously. A new method to determine the initiation movement of mud is provided (i.e., the method of relative grey value of water's image in the flume). The experimental results show that the initiation movement of mud can be classified as slight erosion and chunk erosion. The sediment concentration on a muddy bed is low for the slight erosion, and the variation in water's relative grey level is of the order of similar to 10. The sediment concentration for the chunk erosion corresponding to a jump in the curve of relative grey value clearly increases, and the variation in relative grey value at that instant is larger than 20. The critical flow velocity, critical friction velocity, and critical shear stress of initiation of movement of mud increase with the increase in deposit density.
关键词	Mud Critical flow velocity of erosion Shear stress of initiation movement of sediment Grey value PIV
DOI	10.1016/j.apor.2018.09.006
URL	查看原文
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000448093800018
关键词[WOS]	COHESIVE SEDIMENTS ; QUARTZ PARTICLES ; EROSION ; THRESHOLD ; ERODIBILITY ; TRANSPORT ; STABILITY ; BEHAVIOR ; SCOUR
WOS研究方向	Engineering, Ocean ; Oceanography
WOS类目	Engineering ; Oceanography
项目资助者	National Natural Science Foundation of China [10902112, 51708456] ; Fundamental Research Funds for the Central Universities [2682017QY02]
论文分区	二类
力学所作者排名	5
引用统计	被引频次：9[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/78136
专题	职能与支撑部门
作者单位	1.Southwest Jiaotong Univ, Sch Civil Engn, Chengdu 610031, Sichuan, Peoples R China 2.Chinese Acad Sci, Inst Mech, Key Lab Hydraul & Ocean, Beijing 100190, Peoples R China 3.Griffith Univ, Sch Engn & Built Environm, Gold Coast Campus, Southport, Qld 4222, Australia
推荐引用方式 GB/T 7714	Yang B,Luo Y,Jeng DS,et al. Experimental studies on initiation of current-induced movement of mud[J]. APPLIED OCEAN RESEARCH,2018,80:220-227.
APA	Yang B,Luo Y,Jeng DS,Feng J,&呼和敖德.(2018).Experimental studies on initiation of current-induced movement of mud.APPLIED OCEAN RESEARCH,80,220-227.
MLA	Yang B,et al."Experimental studies on initiation of current-induced movement of mud".APPLIED OCEAN RESEARCH 80(2018):220-227.

条目包含的文件		下载所有文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
irJ2018064.pdf（1871KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览下载
IrJ2018358.pdf（1871KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览下载