PIV measurements of coherent turbulent flow structure and bursting process around a scour hole

Keshavarzy, A; Ball, JE

PIV measurements of coherent turbulent flow structure and bursting process around a scour hole

Keshavarzy, A Ball, JE

Permalink

Publisher:: Taylor & Francis Group
Publication Type:: Conference Proceeding
Citation:: PROCEEDINGS OF THE 12'" INTERNATIONAL SYMPOSIUM ON RIVER SEDIMENTATION, ISRS - Advances in River Sediment Research, 2013, pp. 1093 - 1100
Issue Date:: 2013-01

Closed Access

	Filename	Description	Size
	2012007134OK.pdf		9.52 MB	Adobe PDF	View/Open

Copyright Clearance Process

Recently Added
In Progress
Closed Access

This item is closed access and not available.

Full metadata record

Field	Value	Language
dc.contributor.author	Keshavarzy, A	en_US
dc.contributor.author	Ball, JE https://orcid.org/0000-0001-8342-1916	en_US
dc.contributor.editor	al, FE	en_US
dc.date	2013-09-02	en_US
dc.date.issued	2013-01	en_US
dc.identifier.citation	PROCEEDINGS OF THE 12'" INTERNATIONAL SYMPOSIUM ON RIVER SEDIMENTATION, ISRS - Advances in River Sediment Research, 2013, pp. 1093 - 1100	en_US
dc.identifier.isbn	978-1-138-00062-9	en_US
dc.identifier.uri	http://hdl.handle.net/10453/26715
dc.description.abstract	The results of a series of experimental tests related to the flow characteristics in a scouring hole are presented in this paper. The experimental tests were carried out for five different stages of development of a scour hole. These stages are defined on the basis of experimental observation. The mechanisms of the development of the scour hole and flow characteristics were investigated in this study. The flow velocities were measured using Particle Image Velocimetry to characterize the mean velocity field and turbulent characteristics of flow in the scour hole. The measurements reveal a good understanding of the flow characteristics and bursting process and a strong recirculation in the hole. The results showed that upstream of the orifice, the transition probabilities of the stable events were higher than other transition probabilities. Therefore, the events of P11, P22, P33 and P44 were dominant when compared to others. This can be interpreted as an expectation that entrainment should occur at this location. These expectations are consistent with scour hole development and were confirmed by measuring scour hole depth upstream of the orifice.	en_US
dc.publisher	Taylor & Francis Group	en_US
dc.relation.ispartof	PROCEEDINGS OF THE 12'" INTERNATIONAL SYMPOSIUM ON RIVER SEDIMENTATION, ISRS - Advances in River Sediment Research	en_US
dc.relation.ispartof	International Symposium on River Sedimentation	en_US
dc.title	PIV measurements of coherent turbulent flow structure and bursting process around a scour hole	en_US
dc.type	Conference Proceeding
utslib.location	UK	en_US
utslib.location.activity	Tokyo, Japan	en_US
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Tokyo, Japan	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access
pubs.consider-herdc	true	en_US
pubs.finish-date	2013-09-05	en_US
pubs.place-of-publication	UK	en_US
pubs.start-date	2013-09-02	en_US

Abstract:

The results of a series of experimental tests related to the flow characteristics in a scouring hole are presented in this paper. The experimental tests were carried out for five different stages of development of a scour hole. These stages are defined on the basis of experimental observation. The mechanisms of the development of the scour hole and flow characteristics were investigated in this study. The flow velocities were measured using Particle Image Velocimetry to characterize the mean velocity field and turbulent characteristics of flow in the scour hole. The measurements reveal a good understanding of the flow characteristics and bursting process and a strong recirculation in the hole. The results showed that upstream of the orifice, the transition probabilities of the stable events were higher than other transition probabilities. Therefore, the events of P11, P22, P33 and P44 were dominant when compared to others. This can be interpreted as an expectation that entrainment should occur at this location. These expectations are consistent with scour hole development and were confirmed by measuring scour hole depth upstream of the orifice.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/26715