Phase-lag effects in sheet flow transport
(2006) In Coastal Engineering 53(5-6). p.531-542- Abstract
- The inception of the sheet flow regime as well as the effects of the phase lag when the sheet flow regime is established were investigated for oscillatory flows and combined steady and oscillatory flows. A new criterion for the inception of sheet flow is proposed based on around 300 oscillatory flow cases from experiments. This criterion was introduced in the Camenen and Larson [Camenen, B., Larson, M., 2005. A bedload sediment transport formula for the nearshore. Estuarine, Coastal and Shelf Science 63, 249-260.] bed load formula in order to take into account phase-lag effects in the sheet flow regime. The modification of the Camenen and Larson formula significantly improves the overall agreement with data and yields a correct behavior in... (More)
- The inception of the sheet flow regime as well as the effects of the phase lag when the sheet flow regime is established were investigated for oscillatory flows and combined steady and oscillatory flows. A new criterion for the inception of sheet flow is proposed based on around 300 oscillatory flow cases from experiments. This criterion was introduced in the Camenen and Larson [Camenen, B., Larson, M., 2005. A bedload sediment transport formula for the nearshore. Estuarine, Coastal and Shelf Science 63, 249-260.] bed load formula in order to take into account phase-lag effects in the sheet flow regime. The modification of the Camenen and Larson formula significantly improves the overall agreement with data and yields a correct behavior in relation to some of the main governing parameters, which are the median grain size d(50), the orbital wave velocity U-w, and the wave period T-w. The calibration of the new formula was based on more than 200 experimental data values on the net sediment transport rate for a full wave cycle. A conceptual model was also proposed to estimate the ratio between sediment transport rate with and without phase lag, (r(pl)=q(s,net)/q(s,net,phi=0)). This simple model provides accurate results and may be used together with any quasi-steady model for bed load transport. (C) 2005 Elsevier B.V. All tights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/414139
- author
- Camenen, B and Larson, Magnus LU
- organization
- publishing date
- 2006
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- net sediment transport, bed, load, inception of sheet flow, phase-lag effects
- in
- Coastal Engineering
- volume
- 53
- issue
- 5-6
- pages
- 531 - 542
- publisher
- Elsevier
- external identifiers
-
- wos:000236845500007
- scopus:33645864647
- ISSN
- 0378-3839
- DOI
- 10.1016/j.coastaleng.2005.12.003
- language
- English
- LU publication?
- yes
- id
- a8a75fa9-4120-451f-a345-a9010dc411ef (old id 414139)
- date added to LUP
- 2016-04-01 15:38:48
- date last changed
- 2022-01-28 06:22:04
@article{a8a75fa9-4120-451f-a345-a9010dc411ef,
abstract = {{The inception of the sheet flow regime as well as the effects of the phase lag when the sheet flow regime is established were investigated for oscillatory flows and combined steady and oscillatory flows. A new criterion for the inception of sheet flow is proposed based on around 300 oscillatory flow cases from experiments. This criterion was introduced in the Camenen and Larson [Camenen, B., Larson, M., 2005. A bedload sediment transport formula for the nearshore. Estuarine, Coastal and Shelf Science 63, 249-260.] bed load formula in order to take into account phase-lag effects in the sheet flow regime. The modification of the Camenen and Larson formula significantly improves the overall agreement with data and yields a correct behavior in relation to some of the main governing parameters, which are the median grain size d(50), the orbital wave velocity U-w, and the wave period T-w. The calibration of the new formula was based on more than 200 experimental data values on the net sediment transport rate for a full wave cycle. A conceptual model was also proposed to estimate the ratio between sediment transport rate with and without phase lag, (r(pl)=q(s,net)/q(s,net,phi=0)). This simple model provides accurate results and may be used together with any quasi-steady model for bed load transport. (C) 2005 Elsevier B.V. All tights reserved.}},
author = {{Camenen, B and Larson, Magnus}},
issn = {{0378-3839}},
keywords = {{net sediment transport; bed; load; inception of sheet flow; phase-lag effects}},
language = {{eng}},
number = {{5-6}},
pages = {{531--542}},
publisher = {{Elsevier}},
series = {{Coastal Engineering}},
title = {{Phase-lag effects in sheet flow transport}},
url = {{http://dx.doi.org/10.1016/j.coastaleng.2005.12.003}},
doi = {{10.1016/j.coastaleng.2005.12.003}},
volume = {{53}},
year = {{2006}},
}