'Dynamo' presentation slideshows

1.51k views • 95 slides

Magnetism and Paleomagnetism

1.2k views • 58 slides

The solar dynamo

The solar dynamo. Axel Brandenburg. Importance of solar activity. Solar 11 year sunspot cycle. Sunspots between +/- 30 degrees around equator New cycle begins at high latitude Ends at low latitudes equatorward migration. butterfly diagram. Sunspots. Sunspots. Large scale coherence.

740 views • 49 slides

Asymptotic studies in Dynamo Theory

Asymptotic studies in Dynamo Theory. Kirill Kuzanyan 1,2,3) 1) IZMIRAN, Moscow region, Russia 2) hosted by National Astronomical Observatory, Mitaka Japan. Why asymptotic?. Use analytic methods to complement numerical

582 views • 43 slides

Efficient, Transparent, and Comprehensive Managed Program Execution

Efficient, Transparent, and Comprehensive Managed Program Execution. Derek Bruening. Determina Corporation. Typical Modern Application: IIS. Design Goals. Efficient Near-native performance Transparent Match native behavior Comprehensive Control every instruction, in any application

554 views • 42 slides

I. ROGACHEVSKII, N. KLEEORIN, E. LIVERTS Ben-Gurion University of the Negev, Beer Sheva, ISRAEL

New Mechanism of Generation of Large-Scale Magnetic Field in Turbulence with Large-Scale Velocity Shear. I. ROGACHEVSKII, N. KLEEORIN, E. LIVERTS Ben-Gurion University of the Negev, Beer Sheva, ISRAEL. Outline. Introduction

550 views • 38 slides

Magnetic structures created by localised velocity shear and magnetic buoyancy

Magnetic structures created by localised velocity shear and magnetic buoyancy. Nic Brummell Kelly Cline Fausto Cattaneo Nic Brummell (303) 492-8962 JILA, University of Colorado brummell@solarz.colorado.edu. Large-scale dynamo: Intuitive picture. toroidal -> poloidal.

397 views • 28 slides

Distributed Systems CS 425 / ECE 428 Fall 2012

Distributed Systems CS 425 / ECE 428 Fall 2012. NoSQL/Key-value Stores Slides by Prof. Indranil Gupta. Based mostly on Cassandra NoSQL presentation Cassandra 1.0 documentation at datastax.com Cassandra Apache project wiki HBase. ? 2012, I . Gupta. Batch vs. Real-time.

412 views • 28 slides

Numerical simulations of astrophysical dynamos

Numerical simulations of astrophysical dynamos. Dynamos: numerical issues Alpha dynamos do exist: linear and nonlinear Constrained by magnetic helicity: need fluxes How high do we need to go with Rm? MRI and low PrM issue. Axel Brandenburg ( Nordita, Stockholm ). Struggle for the dynamo.

377 views • 27 slides

Depot: Cloud Storage with minimal Trust

522 views • 26 slides

Superfast Cooling

Superfast Cooling. Shai Machnes. Tel-Aviv ? Ulm University. Alex Retzker , Benni Reznik , Andrew Steane , Martin Plenio. Outline. The goal The Hamiltonian The superfast cooling concept Results Technical issues (time allowing). Outline. The goal The Hamiltonian

410 views • 25 slides

The Test-field Method

367 views • 25 slides

391 views • 25 slides

H. Isobe Plasma seminar 2004/06/16

1. Explaining the latitudinal distribution of sunspots with deep meridional flow D. Nandy and A.R. Choudhhuri 2002, Science, 296, 1671 2. Kinetic solar dynamo models with a deep meridional flow G.A. Guerrero and J.D. Munos 2004, MNRAS, 350, 317

315 views • 24 slides

Large Scale Dynamo Action in MRI Disks

Large Scale Dynamo Action in MRI Disks. Role of stratification Dynamo cycles Mean-field interpretation Incoherent alpha-shear dynamo Axel Brandenburg ( Nordita, Stockholm ). Unstratified MRI turbulence. 512 3 w/o hypervisc. D t = 60 = 2 orbits. No large scale field Too short?

503 views • 24 slides

Go Dynamo!

Go Dynamo!.

318 views • 23 slides

Is solar activity a surface phenomenon?

284 views • 19 slides

Evidences of Fossils and Rocks

Evidences of Fossils and Rocks. Fossils and Rocks.

265 views • 18 slides

Introduction to Data Center Computing

263 views • 17 slides

Joint EPMAN and TFEIP Expert Panel meeting

Joint EPMAN and TFEIP Expert Panel meeting. Berlin, September 28, 2012. EAGER Network. EAGER: E uropean A gricultural G aseous E missions Inventory R esearchers Network. Background Accurate and reliable inventories of NH 3 emissions are increasingly important

268 views • 12 slides