W.A.T.E.R. at Mason Summer 2022 Seminar Series - Session 4
Jun 24, 2022, 3:00 - 4:30 PM
Potomac Science Center & Virtual
WATER (Watershed and Aquatic Teams for Education and Research) at Mason 2022 Summer Seminar Series
Jake Sobin, Sales Manager, Ocean Science, Sensors and Robotics, Kongsberg Underwater Technology, LLC
Jake Sobin is the Business Development Manager in the Americas for Sensors and Robotic at Kongsberg Maritime. Jake supports various technologies including the company’s AUVs and fisheries acoustics product lines. Prior to joining Kongsberg, he worked at Contros Systems and Solutions GmbH where he looked after various product lines within the company including dissolved gas sensors and seabed observatories for environmental monitoring. These solutions range from flow-through sensors for vessels to sensors integrated on AUVS, landers, moorings, etc. from the surface to 6000 meters. Jake has done extensive work helping academic researchers put together grant proposals with his rich background in ocean science. Jake has also served as the chair of the Washington, D.C. section of the Marine Technology Society (MTS) since 2015. His leadership role with MTS has him routinely working with conservation-based NGOs, research partner institutions, Capitol Hill, and the maritime industry. He has been awarded with three of the society’s highest honors. He also is Kongsberg’s lead on AUVSI’s Maritime Advocacy Committee and the acting program chair for the International Ocean Science & Technology Industry Association (IOSTIA). Jake holds multiple degrees in Coastal and Environmental Monitoring with a Master’s Degree from Duke University.
Abstract: Passive reconfiguration of flexible structures readily occurs in biological structures through fluids such as air and water. Past studies on seagrass in water or leaves in the wind show that flexible structures conform to more streamline configurations under influence of a flow field. As a result of the shape change, the surrounding flow field is also altered. Few studies exist involving the understanding of reconfiguration near a free surface, the interface between air and water. In this talk, results will be presented on the passive reconfiguration of flexible plates near a free surface, including both water entry and vertical flapping motions in calm water. Experiments and modeling results will be shown of water entry of a pair of plates with enclosed and cantilevered boundary conditions. Experiments of a flapping plate with prescribed vertical oscillatory motion at varying distances from the free surface will also be summarized. Finally, discussions of the future directions of this project including active control of plate will be presented. The work from this talk is funded by the National Science Foundation.