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Characteristics of flow separation and hydraulic jump during run-down motion of shoaling solitary wave traveling over steep sloping bottom
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2016 (Engelska)Ingår i: Proceedings of the International Offshore and Polar Engineering Conference, International Society of Offshore and Polar Engineers , 2016, s. 724-731Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

The features of velocity fields for the evolution of shoaling solitary wave, having a wave-height to water-depth ratio of 0.363 and propagating over a 1:3 sloping bottom, are investigated experimentally. A flow visualization technique using particle trajectory method and a high-speed particle image velocimetry (HSPIV) system employing a high-speed digital camera were used. This study mainly focuses on the occurrence of separated shear layer from the sloping bottom, evolved vortex structure, subsequent hydraulic jump, and curling jet of the backward breaking wave impinging upon the free surface of retreated flow during the run-down motion of the shoaling solitary wave.

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International Society of Offshore and Polar Engineers , 2016. s. 724-731
Nyckelord [en]
Flow separation, Hydraulic jump, Run-down, Separated shear layer, Solitary wave, Vortex structure, Fighter aircraft, Flow visualization, Solitons, Velocity, Velocity measurement, Vortex flow, Water waves, High-speed digital cameras, High-speed particles, Particle trajectories, Separated shear layers, Sloping bottom, Visualization technique, Vortex structures, Shear flow
Nationell ämneskategori
Havs- och vattendragsteknik Oceanografi, hydrologi och vattenresurser Vattenteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-195565Scopus ID: 2-s2.0-84987920119ISBN: 9781880653883 (tryckt)OAI: oai:DiVA.org:kth-195565DiVA, id: diva2:1048445
Konferens
26th Annual International Ocean and Polar Engineering Conference, ISOPE 2016, 26 June 2016 through 1 July 2016
Anmärkning

QC 20161121

Tillgänglig från: 2016-11-21 Skapad: 2016-11-03 Senast uppdaterad: 2018-01-13Bibliografiskt granskad

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Yang, James

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