The SEAWOLF Flume: Sediment Erosion Actuated by Wave Oscillations and Linear Flow | Zendy

RICHARD JEPSEN | Zendy; J. D. Roberts | Zendy; Joseph Gailani | Zendy; Scott A. Smith | Zendy

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The SEAWOLF Flume: Sediment Erosion Actuated by Wave Oscillations and Linear Flow

Author(s) -

RICHARD JEPSEN,

J. D. Roberts,

Joseph Gailani,

Scott A. Smith

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/800775

Subject(s) - flume , wave flume , erosion , shear stress , hydraulics , geotechnical engineering , sediment , geology , flow (mathematics) , sediment transport , bedform , hydrology (agriculture) , geomorphology , engineering , mechanics , breaking wave , wave propagation , physics , quantum mechanics , aerospace engineering

Sandia National Laboratories has previously developed a unidirectional High Shear Stress Sediment Erosion flume for the US Army Corps of Engineers, Coastal Hydraulics Laboratory. The flow regime for this flume has limited applicability to wave-dominated environments. A significant design modification to the existing flume allows oscillatory flow to be superimposed upon a unidirectional current. The new flume simulates highshear stress erosion processes experienced in coastal waters where wave forcing dominates the system. Flow velocity measurements, and erosion experiments with known sediment samples were performed with the new flume. Also, preliminary computational flow models closely simulate experimental results and allow for a detailed assessment of the induced shear stresses at the sediment surface

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