{"611931":{"#nid":"611931","#data":{"type":"event","title":"Forecasting Turbulence","body":[{"value":"\u003Cp\u003EFluid turbulence is one of the greatest unsolved problems of classical physics. It is also\u0026nbsp; and the subject of a million-dollar mathematical (Millenium) challenge. Centuries of research--including Leonardo da Vinci\u0026rsquo;s observations of \u0026ldquo;la turbolenza\u0026rdquo; and the best efforts of numerous physicists (Heisenberg, Kelvin, Rayleigh, Sommerfeld, etc.)--have failed to yield a tractable predictive theory.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EHowever, recent theoretical and computational advances have successfully linked recurring transient patterns (coherent structures) within turbulence to unstable solutions of the equations governing fluid flow (the Navier-Stokes equations).\u0026nbsp;The solutions describing coherent structures provide a geometrical structure that guides the evolution of turbulence.\u0026nbsp;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EWe describe laboratory experiments where the geometry of key coherent structures is identified and harnessed to construct a roadmap to forecast the behavior of weakly turbulent flows.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EABOUT THE SPEAKER\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.physics.gatech.edu\/user\/michael-schatz\u0022\u003EMichael F. Schatz\u003C\/a\u003E is a professor and the associate chair for the introductory physics program in the School of Physics at\u0026nbsp;Georgia Institute of Technology.\u0026nbsp;In 1991, Schatz received his PhD in physics from\u0026nbsp;the University of Texas, Austin; he joined the faculty of Georgia Tech in 1996.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ESchatz conducts research in both experimental nonlinear dynamics and physics education. He is currently a director of the Hands-on Research in Complex Systems Schools at the International Centre for Theoretical Physics (ICTP), in Trieste, Italy.\u0026nbsp; He is a recipient of the Cottrell Scholars Award and a Fellow of the American Physical Society.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"A Public Lecture with School of Physics Professor Michael F. 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