PPT-Flow Vorticity and Rotation

in Peripheral HIC Dujuan Wang 1 2014 CBCOS Wuhan 11052014 University of Bergen Norway Introduction Vorticity for LHC FAIR amp NICA Rotation in an exact hydro model Summary. 2: basic equations and tools. 2.5 – pressure perturbations. 2.6 – thermodynamic diagrams. 2.7 . - . hodographs. All sections are considered core material, but the emphasis is on the “new” elements in the last three sections:. Circulations in the Atlantic Basin. Philippe P. Papin, Ryan D. . Torn, Lance F. . Bosart. . Department of Atmospheric and Environmental Sciences. University at Albany, State University of New York. Funding provided by NSF grant ATM-0849491. …from linear theory of circular, convective cells in a sheared environment, covariance of vertical velocity and vertical . vorticity. is proportional to the storm-relative environmental . helicity. Lesson 6: Potential . vorticity. Potential . Vorticity. Concept of potential . vorticity. :. Take a column of air defined by two potential temperature surfaces (. θ. and . θ. +. Δθ. ). . Move this column of air eastward. Force it to go up and over a mountain range.. with Large Eddy Simulation. Dan Yao . Zhiyong. . Meng. Peking University. Summer . 2015 Meeting . of . Fuqing’s. Group. Penn State University. 17. th. August 2015, State College, PA. Narrow. damage swath. http://mathicse.epfl.ch/~foureste/. Vorticity is the tendency of fluid elements to . rotate. Vorticity vector:. A property of vorticity:. Just as . streamlines. were defined to be lines that are everywhere parallel to the . Philippe P. Papin, Kyle S. Griffin, Lance F. . Bosart. , Ryan D. Torn. Department of Atmospheric and Environmental Sciences: University at . Albany/SUNY, Albany NY, 12222. Motivation. September 2010 Gyre was well observed . with Large Eddy Simulation. Dan Yao . Zhiyong. . Meng. Peking University. Summer . 2015 Meeting . of . Fuqing’s. Group. Penn State University. 17. th. August 2015, State College, PA. Narrow. damage swath. Gaspard. . Gustave. . Coriolis. Because of the Earth’s rotation, . free moving objects …. deflected to the right . in the . Northern Hemisphere. to the left. in the . Southern. . Hemisphere. Depends. What is . vorticity. ?. Many meteorological web sites include some form of . vorticity. contours on the 500-mb charts. Why. ? How does having contours of vorticity help a meteorologist understand the atmosphere. flow over isolated peaks. 13.1: 3D perspective: . What controls whether the flow goes around or over a mountain obstacle?. F. low over isolated peaks. wind. ridge across wind . ridge along wind . Fr. :. Potential . Vorticity. :. = 0 for isentropic motions. Equivalent Potential . Vorticity. :. For a horizontally homogeneous atmosphere with vertical wind shear, vortex lines and Theta-E surfaces are initially horizontal (EPV=0). Since EPV is conserved, vortex lines remain on the original theta-E surfaces if they are subsequently tilted up or down…. . Vorticity. . and . vorticity. advection. What is . vorticity. ?. Many meteorological web sites include some form of . vorticity. contours on the 500-mb charts. Why? How does having contours of . vorticity. Biologically Inspired Turn Control for Autonomous Mobile Robots Xavier Perez-Sala, Cecilio Angulo, Sergio Escalera Motivation Motivation Path planning Robot navigation Path execution