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Design Capacity of a Longshore Current Recirculation System for a Longshore Sediment Transport Laboratory Facility

Hamilton, David G. / Rosati, Julie D. / Fowler, Jimmy E. / Smith, Jane M.

A new longshore sediment transport laboratory facility for conducting three-dimensional moveable-bed experiments is being developed by the U.S. Army Engineer Waterways Experiment Station, Coastal and Hydraulics Laboratory. This paper focuses on the problem of designing the pumping capacity for an external longshore current recirculation system, designed to minimize adverse laboratory effects created by the updrift and downdrift lateral boundaries of the new facility. A review of longshore current recirculation systems used in other laboratory facilities is presented. The numerical model NMLONG is used to predict the magnitude and cross-shore distribution of the wave-driven longshore current that will be generated during experiments in the new facility. This paper concludes with a performance curve that defines the required pumping capacity of each of the individual pumps in the longshore current recirculation system.

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Design Capacity of a Longshore Current Recirculation System for a Longshore Sediment Transport Laboratory Facility

Hamilton, David G. / Rosati, Julie D. / Fowler, Jimmy E. / Smith, Jane M.

A new longshore sediment transport laboratory facility for conducting three-dimensional moveable-bed experiments is being developed by the U.S. Army Engineer Waterways Experiment Station, Coastal and Hydraulics Laboratory. This paper focuses on the problem of designing the pumping capacity for an external longshore current recirculation system, designed to minimize adverse laboratory effects created by the updrift and downdrift lateral boundaries of the new facility. A review of longshore current recirculation systems used in other laboratory facilities is presented. The numerical model NMLONG is used to predict the magnitude and cross-shore distribution of the wave-driven longshore current that will be generated during experiments in the new facility. This paper concludes with a performance curve that defines the required pumping capacity of each of the individual pumps in the longshore current recirculation system.

Design Capacity of a Longshore Current Recirculation System for a Longshore Sediment Transport Laboratory Facility

Hamilton, David G. / Rosati, Julie D. / Fowler, Jimmy E. / Smith, Jane M.

A new longshore sediment transport laboratory facility for conducting three-dimensional moveable-bed experiments is being developed by the U.S. Army Engineer Waterways Experiment Station, Coastal and Hydraulics Laboratory. This paper focuses on the problem of designing the pumping capacity for an external longshore current recirculation system, designed to minimize adverse laboratory effects created by the updrift and downdrift lateral boundaries of the new facility. A review of longshore current recirculation systems used in other laboratory facilities is presented. The numerical model NMLONG is used to predict the magnitude and cross-shore distribution of the wave-driven longshore current that will be generated during experiments in the new facility. This paper concludes with a performance curve that defines the required pumping capacity of each of the individual pumps in the longshore current recirculation system.

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Title:

Design Capacity of a Longshore Current Recirculation System for a Longshore Sediment Transport Laboratory Facility

Contributors:

Hamilton, David G. (author) / Rosati, Julie D. (author) / Fowler, Jimmy E. (author) / Smith, Jane M. (author)

Conference:

25th International Conference on Coastal Engineering ; 1996 ; Orlando, Florida, United States

Published in:

Coastal Engineering 1996 ; 3628-3641

Publication date:

1997-08-05

ISBN:

978-0-7844-7951-3 , 9780784402429

DOI:

https://doi.org/10.1061/9780784402429.280

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Recirculation , Littoral currents , Movable bed models , Coastal engineering , Sediment transport , Design , Case studies , Laboratory tests , Coastal structures , Long waves , Littoral drift

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