Robert EckeCNLS Director EmeritusMPA-CMMS/CNLSExperimental Fluid Dynamics, Granular Media, and Nonlinear ScienceOffice: TA-3, Bldg SM-32, Room 121Mail Stop: K764Phone: (505) 667-6733Fax: (505) 665-2659ecke@lanl.govhome page
Educational Background/Employment:B.S. Physics, University of Washington, 1975Ph.D. Physics, University of Washington, 1982Postdoctoral Research Associate, University of Washington, 1982-83.Director's Postdoctoral Fellow, LANL, 1983-86. Employment: Technical Staff Member, Condensed Matter & Thermal Physics, 1986–2004.Laboratory Fellow, 1997–present.Fellow of the American Physical Society and American Association for the Advancement of Science.Center Leader, Center for Nonlinear Studies, 2004–2015.Laboratory Associate Fellow, Condensed Matter & Magnetic Sciences Group, MPA-Division, 2016–present.CNRS Visiting Scholar, Ecole Normale Superieure de Lyon, Laboratoire de Physique, Lyon, France, 10/2016.Research Interests: Turbulence- Rayleigh-Benard convection, 2D turbulence, turbulent mixing and Lagrangian fluid dynamics, Rayleigh-Taylor turbulence.Granular materials - vibrated chains, avalanches, flow on an inclined planeMultiphase flows - moderate Re particle/fluid interactionsSelected Recent Publications: G. Boffetta and R.E. Ecke Two-dimensional turbulence Annu. Rev. Fluid Mech. 44, 427 (2012).S. Backhaus, K. Turitsyn, and R.E. EckeConvective instability and mass transport of diffusion layers in a Hele-Shaw geometry Phys. Rev. Lett. 106, 104501 (2011).T. Borszonyi, R.E. Ecke and J.N. McElwainePatterns in flowing sand: Understanding the physics of granular flow Phys. Rev. Lett. 103, 178302 (2009).Y. Liu and R.E. Ecke Heat transport measurements in turbulent rotating Rayleigh-Benard convection Phys. Rev. E 80, 036314 (2009).P. Odier, J. Chen, M.K. Rivera, and R.E. EckeFluid mixing in stratified gravity currents: The Prandtl mixing length Phys. Rev. Lett. 102, 134504 (2009).T. Borszonyi, T.C. Halsey, and R.E. EckeTwo scenarios for avalanche dynamics in inclined granular layers Phys. Rev. Lett. 94, 208001 (2008).T. Borszonyi, T.C. Halsey, and R.E. EckeAvalanche dynamics on a rough inclined plane Phys. Rev. E 78, 011306 (2008).T. Borszonyi and R.E. EckeFlow rule of dense granular flows down a rough incline Phys. Rev. E 76, 031301 (2007).S.Y. Chen, R.E. Ecke, G.L. EyinkM.K. Rivera, M.P. Wan, and Z.L. Xiao Physical mechanism of the two-dimensional inverse energy cascade, Phys. Rev. Lett. 96, 084502 (2006).M.K. Rivera and R.E. EckePair dispersion and doubling time statistics in two-dimensional turbulence Phys. Rev. Lett. 95, 194503 (2005).R.E. Ecke The Turbulence Problem: An Experimentalist's Perspective Los Alamos Science 29, (2005).S.Y. Chen, R.E. Ecke, G.L. Eyink, X. Wang, Z. XiaoPhysical mechanism of the two-dimensional enstrophy cascade Phys. Rev. Lett. 91, 214501 (2003).M.K. Rivera, W.B. Daniel, S.Y. Chen, R.E. EckeEnergy and enstrophy transfer in decaying two-dimensional turbulence Phys. Rev. Lett. 90, 104502 (2003).P. Vorobieff, P & R.E. EckeTurbulent rotating convection: an experimental study J. Fluid Mech. 458, 191 (2002).Z.A. Daya, R.E. EckeDoes turbulent convection feel the shape of the container? Phys. Rev. Lett. 87, 184501 (2001).E. Ben-Naim, Z.A. Daya, P. Vorobieff, R.E. EckeKnots and random walks in vibrated granular chains Phys. Rev. Lett. 86, 1414 (2001).D.A. Egolf, I.V. Melnikov, W. Pesch, R.E. EckeMechanisms of extensive spatiotemporal chaos in Rayleigh-Benard convection Nature 404, 733 (2000).