Ppt on eddy current

Eddies and upwelling in the Southern Ocean – Till Kuhlbrodt – 31/1/2008 Mesoscale eddies and deep upwelling in the Southern Ocean Till Kuhlbrodt, Walker.

10 12 N) Numbers from Russell et al. (2006), J. Clim. : observations AMOC sensitivity to wind stress Eddies and upwelling in the Southern Ocean – Till Kuhlbrodt – 31/1/2008 Antarctic Circumpolar Current CSIRO GISS-ERGISS-AOM GISS-EH Mean ACC strength: (135 ± 84) Sv HiGEM Eddies and upwelling in the Southern Ocean – Till Kuhlbrodt – 31/1/2008 AMOC vs. NADW outflow at 30/


Ch. 9: Circulation of the Ocean. “Currents are the very heart of physical oceanography. Their global effects, great masses of water, complex flow, and.

’t form eddies Flow rates much less than western boundary counterparts (see Fig. 9.9, p. 206) Flow rates much less than western boundary counterparts (see Fig. 9.9, p. 206) Eastern Boundary Currents Five eastern boundary currents: Five eastern boundary currents: Canary Current: North Atlantic Canary Current: North Atlantic Benguela Current: South Atlantic Benguela Current: South Atlantic California Current: North Pacific California Current: North Pacific Peru (Humboldt) Current: South Pacific/


THE MARINE LAYER AND COASTAL EDDIES THE MARINE LAYER AND COASTAL EDDIES.

. The air below the inversion is NOT mixing with the atmosphere above the it. Notice that the LCL is above the inversion, the current SKY CON: BKN200. NO low clouds, WHY? The air can not be lifted to the LCL for the low clouds to form. / this method will get you give you a solid base to work from. Or said plainly, your not guessing! 915 MB Level COASTAL EDDIES Eddies are small scale, meso-scale, cyclonic circulations, that tend to form over the SOCAL OPAREAS south of PT Conception in the SOCAL Bight Region/


Adaptive Query Processing with Eddies Amol Deshpande University of Maryland.

E C HashTable E.Course HashTable C.Course JoeJr JenSr JoeCS1 JoeCS1 JoeCS1 JoeJrCS1 JoeJrCS1 JoeJrCS1 Output CS2Smith Query Execution using Eddies Eddy S E C Output Probe S E HashTable S.Name HashTable E.Name E C HashTable E.Course HashTable C./ scheduling doesn’t work well with joins Not clear how any routing policy can work without reasonable knowledge of future Whatever the current state in the join operators, an adversary can send tuples to make it look very bad Two possible solutions: Allow manipulation/


L 28 Electricity and Magnetism [6] magnetism Faraday’s Law of Electromagnetic Induction –induced currents –electric generator –eddy currents Electromagnetic.

induced in conductors if time- varying magnetic fields are present As the magnet falls the magnetic field strength at the plate increases 9 Falling magnet Eddy currents Induced magnetic field Copper plate Eddy currents  application An induction stove uses eddy currents to cook food Only the metal pot gets hot, not the glass pot or the stove. 10 slotted copper pipe bar magnet Floating magnet – induced/


RELATIONS FOR THE ENTRAINMENT AND 1D TRANSPORT OF SUSPENDED SEDIMENT

hydraulically rough turbulent open-channel flow is the logarithmic profile; where  = 0.4 and u* = (gHS)1/2. The eddy diffusivity of momentum can be back-calculated from this equation; Solving for t, a parabolic form is obtained; or EQUILIBRIUM VERTICAL DISTRIBUTION/is a good one over a relatively wide range of conditions. As a result, the following estimate is made for the eddy diffusivity of sediment: For steady flows that are uniform in the x and z directions maintaining a suspension that is similarly /


Damping of Tropical Instability Waves caused by the action of surface currents on stress R. Justin Small 1, Kelvin Richards 2, Shang-Ping Xie 3, Pierre.

. Climate Methods (2) Model Sensitivity Experiments: Exp. 1. Fully coupled and with current in stress ‘Understress’. Exp. 2 Coupled but no current in stress ‘No understress’ Exp. 3 Atmosphere-only Eddy Kinetic Energy Figure 1. EKE (kgm -1 s -2 ), depth averaged from / u c is the ocean surface velocity, u and U are the depth dependent ocean eddy and large scale current respectively, and  is the surface stress. Fully coupled Eddy Kinetic Energy Budget (2) Figure 4. Budget terms (Top) experiment 1 (Bottom) /


Adaptive Query Processing with Eddies Amol Deshpande University of Maryland.

E C HashTable E.Course HashTable C.Course JoeJr JenSr JoeCS1 JoeCS1 JoeCS1 JoeJrCS1 JoeJrCS1 JoeJrCS1 Output CS2Smith Query Execution using Eddies Eddy S E C Output Probe S E HashTable S.Name HashTable E.Name E C HashTable E.Course HashTable C./ scheduling doesn’t work well with joins Not clear how any routing policy can work without reasonable knowledge of future Whatever the current state in the join operators, an adversary can send tuples to make it look very bad Two possible solutions: Allow manipulation/


Lecture 10 Induction and Inductance Chp. 31 Cartoon - Faraday Induction Opening Demo - Thrust bar magnet through coil and measure the current Warm-up problem.

magnet gap cutting magnetic lines of flux. Note that when the copper plate is immersed entirely in the magnet no eddy currents form. Eddy Currents Demo If a bulk conductor is present, we can induce currents to flow in the bulk conductor. Such currents are called eddy currents since they flow in circles. Demo: Try to place a copper sheet in between a pole faces of a magnet/


The Surface Currents An Introduction to the World’s Oceans Sverdrup et al. - Chapter Nine - 8th Ed.

Changing strength of wind with latitude Friction between land masses and ocean water currents –Stronger geostrophic currents implies steeper sea surface slope Eddies Fast-moving current moves into slower-moving water Currents develop meanders that can break off to form eddies –Trapped warm or cold water. Warm eddy circulates clockwise (to the right. Cold eddy circulates counterclockwise (to the left) Can last for years (3 or so) and/


Induced current produces a secondary magnetic field that is always opposed to the primary magnetic field that induced it, an effect called Lenz’s law.

superconducting loops to produce B-field  No power dissipation in resistance of wires! Magnetic Levitation (Maglev) Trains  Induced surface (“eddy”) currents produce field in opposite direction  Repels magnet  Levitates train Maglev trains today can travel up to 310 mph May eventually use/ to produce B-field  No power dissipation in resistance of wires! N S rails “eddycurrent Can detect the presence of metals by using a transmitter coil to create an oscillating primary magnetic field. This creates a/


Dynamics of the Norwegian Atlantic Current from high resolution modeling Marie-Noëlle Houssais Christophe Herbaut, Antoine Martin, Dorotea Iovino, Anne-Cécile.

or subsurface floats, Gascard et al., 2008, Rossby et al. 2009) and model simulations (e.g. Isachsen et al., 2012).  significant eddy activity in the NAwC (perturbation velocities reaching up to 20 cm s -1 in the slope current). Typical eddy scales (L=20-30 km, T=1-10 months) are consistent with theoretical estimates based on an idealized unstable baroclinic flow over/


L 28 Electricity and Magnetism [6] magnetism Faraday’s Law of Electromagnetic Induction –induced currents –electric generator –eddy currents Electromagnetic.

induced in conductors if time- varying magnetic fields are present As the magnet falls the magnetic field strength at the plate increases 9 Falling magnet Eddy currents Induced magnetic field Copper plate Eddy currents  application An induction stove uses eddy currents to cook food Only the metal pot gets hot, not the glass pot or the stove. 10 slotted copper pipe bar magnet Floating magnet – induced/


LinkSceem – ISRAGRID – Eddie Aronovich (http://www.cs.tau.ac.il/research/eddie.aronovich) Eddie Aronovich TAU, IUCC Oct 2008.

National Research Infrastructure approved the recommendations to establish the ISRAGRID! LinkSceem – ISRAGRID – Eddie Aronovich (http://www.cs.tau.ac.il/research/eddie.aronovich) Gain knowledge and train professional for the industry. increase compute resources and/with introduction and training in the first year Current users are from Physics and BioMed community LinkSceem – ISRAGRID – Eddie Aronovich (http://www.cs.tau.ac.il/research/eddie.aronovich) ReplicaCatalogue Logging & Book-keeping ResourceBroker /


Introduction to Neural Networks Eric Wong Martin Ho Eddy Li Kitty Wong.

Functions (2) Most neural network learning algorithms, including the perceptrons learning method, follow the current-best- hypothesis (CBH) scheme. Presented by Martin Ho, Eddy Li, Eric Wong and Kitty Wong - Copyright© 2000 Learning Linearly Separable Functions (3) / random sampling, and partition of data sets (into training, testing and validation data sets). Presented by Martin Ho, Eddy Li, Eric Wong and Kitty Wong - Copyright© 2000 Nestor - With low connectivity within each layer. - Minimized /


Eddy Current Septum Magnet Optimization Powering Options of SMH42 and the Influence of the Septum Thickness on the Fringe Field Zsolt SZOKE (TE/ABT/SE)

pulse, the lower the fringe field The base line design appears a good compromise. Next: the BMP42 septum bumper analysis. 19/08/2014LIU-PS Meeting17 References Full documentation: Z. Szoke: Eddy Current Septa Magnet Optimization M. J. Barnes, J. Borburgh, B. Goddard, M. Hourican, in Proceedings of the CAS-CERN Accelerator School: Magnets, Bruges, Belgium, 16- 25 June 2009, edited by D/


31. 7. 20031 IV–2 Inductance. 31. 7. 20032 Main Topics Transporting Energy. Counter Torque, EMF and Eddy Currents. Self Inductance Mutual Inductance.

immersed in the field or the field is non- uniform a new effect, called eddy currents appears. 31. 7. 200314 Eddy Currents II The change is that now the induced currents can flow within the conductor. They cause a forces opposing the movement so the movement/ or power has to be delivered to maintain it. Eddy currents can be used for some purposes e.g. smooth braking of hi-tech trains or other movements. 31. 7. 200315 Eddy Currents III But eddy currents produce heat so they are source of power loses and/


Freddies: DHT-Based Adaptive Query Processing via Federated Eddies Ryan Huebsch Shawn Jeffery CS 294-4 Peer-to-Peer Systems 12/9/03.

runtime on a per-tuple basis Monitors selectivities and costs of operators to determine where to send a tuple to next Currently centralized in design and implementation Some other efforts for distributed Eddies from Wisconsin & Singapore (neither use a DHT) Why use Eddies in P2P? (The easy answers) Much of the promise of P2P lies in its fully distributed nature No central point/


Model engine: mpi-Princeton Ocean Model – 3D currents, T/S, SSH, turbulence KE (TKE) & length w/wave- breaking and Stokes drift TKE production; wave- enhanced.

Jr. 2008: Stalling of near-inertial waves in a cyclone. GRL, 35, L12604, doi:10.1029/2008GL034273. 18. Oey, 2008: Loop Current and Deep Eddies. J. Phys. Oceanogr. 38, 1426-1449. 17. Mellor, Donelan, Oey, 2008: A Surface Wave Model for Coupling with Numerical Ocean Circulation/3. Oey, L-Y., H-C. Lee, and W. J. Schmitz, Jr., 2003: Effects of winds and Caribbean eddies on the frequency of Loop Current eddy shedding: A numerical model study. J Geophys Res, 108(C10), 3324, doi:10.1029/2002JC001698. 2. Wang, D-P.,/


Topic 11.2 is an extension of Topics 5.1, 5.4, 8.1 and 10.2. Essential idea: Generation and transmission of alternating current (ac) electricity has transformed.

aware of some of the reasons why real transformers are not ideal (for example: flux leakage, joule heating, eddy current heating, magnetic hysteresis) Proof of the relationship between the peak and rms values will not be expected Data booklet/The iron core of a transformer is laminated (layered and insulated from other layers) to reduce the eddy current and hysteresis current energy losses. Topic 11: Electromagnetic induction - AHL 11.2 – Power generation and transmission Transformers – real COIL/


Modeling the biological response to the eddy-resolved circulation in the California Current Arthur J. Miller SIO, La Jolla, 92093 CA John R. Moisan NASA.

ocean analysis, and atmospheric forcing from NCEPs atmospheric analysis. Publications Di Lorenzo, E., A.J. Miller, D.J. Neilson, B.D. Cornuelle, and J.R. Moisan, 2004: Modeling observed California Current mesoscale eddies and the ecosystem response, International Journal of Remote Sensing, 25 (7-8), 1307-1312 Moore, A., H. Arango, E. Di Lorenzo, B. D. Cornuelle, A. J. Miller, D. and/


Automatic Detection, Segmentation and Visualization of Mesoscale Eddies in MICOM Bin J. John CIS Dept, UMass Dartmouth.

Dartmouth Outline of talk b Mesoscale Eddies b MICOM Dataset b Detection of Eddies b Segmentation of Eddies b Visualization of extracted eddies b Conclusion & Future Work Mesoscale Eddies b What are mesoscale Eddies? b Why are they important? b Why an automatic detection of eddies? What are mesoscale eddies b Mesoscale: Size scale of about 100km b Eddies are energetic swirling currents found all over the ocean b Mesoscale/


Crazy Eddie, Inc. Case 1.6. Crazy Eddie Facts n n High school drop out at age sixteen. Began his career by peddlimg TVsets in his Brooklyn neighborhood.

sampling (SAS 39) n Recording of transshipping transactions as retail sales –Valuation n Compare recorded costs to current vendor costs n Review related party transactions –Cutoff Irregularities, cont’d n Inclusion of consigned goods in inventory/knowledge of the industry (specialists). The Importance of Understanding the Clients Industry n In the case of Crazy Eddie, Inc., understanding the clients industry was of utmost importance in detecting errors and misstatements in the financial statements/


UNCLASSIFIED 3.5: Eddy Seeding for Improved WRF- LES Simulations Using Realistic Lateral Boundary Conditions Brian Gaudet, Aijun Deng, David Stauffer,

1-minute vs. 10-second data storage in canned simulation) Open / radiative LBCs here for both control and eddy- seeded experiments 19 UNCLASSIFIED WRF-LES Turbulent Profiles (Periodic Case) 20 Normalized Vertical Heat Flux Normalized Vertical Velocity Variance/been performed in WRF-LES and is consistent with corresponding CM1 LES experiments. UNCLASSIFIED Current / Future Work Complete WRF-LES implementation of eddy seeding Apply to parent mesoscale / nested LES configuration Apply to cases of heterogeneous/


Electrical eddy currents in the human body: MRI scans and medical implants Brent Hoffmeister Rhodes College Department of Physics.

and plastic objects in the chest increase the danger of switched gradient field stimulation?  The physics… Faraday’s Law Induced electric field Conducting cylinder (patient’s body) Increasing uniform B Eddy currents Current density Conductivity Electric field What’s going to happen? Metal/plastic object Metal or plastic?  Both interesting  Plastics not studied  (plastics easier too) Approach  Develop an analytical model based on/


The East Greenland Current (EGC)

. 

 Causes of error: preferential sampling, different speeds assumed for the Return Atlantic Intermediate Water, and current varies interannually http://oceancurrents.rsmas.miami.edu/atlantic/east-greenland.html http://www. expeditiongreenland http://www.expeditiongreenland.com/ flux (so local baroclinic instability is probably not a major contributor to the mesoscale eddies). Most of the low observed eddy kinetic energy is generated by wind fluctuations. http://oceancurrents.rsmas.miami.edu/atlantic/east-/


1 AFSWG Mtg 1 Aug 2003 Elwyn Baynham RAL Eddy Current Summary Work done by Oxford/RAL Group Contributors Holger Witte Jim Rochford.

windows »Cases –Flip –Solenoid – simple reversal –Flip with offset absorber 4 AFSWG Mtg 1 Aug 2003 Elwyn Baynham RAL Eddy Currents 5 AFSWG Mtg 1 Aug 2003 Elwyn Baynham RAL Eddy Currents 6 AFSWG Mtg 1 Aug 2003 Elwyn Baynham RAL Eddy Currents l Conclusions »No significant eddy current problems for design – power or forces l Further work »Solenoid mode repeat modelling –Some discrepancies in 2d modelling »Issue/


Eddie Bortnikov & Aran Bergman, Principles of Reliable Distributed Systems, Technion EE, Spring 2006 1 Principles of Reliable Distributed Systems Recitation.

Eddie/Eddie Bortnikov /agent. Eddie Bortnikov /value. Eddie Bortnikov / problem? Eddie Bortnikov / Eddie/Eddie Bortnikov & Aran Bergman, Principles of Reliable /Eddie/ majority. Eddie Bortnikov &/ Eddie/. Eddie Bortnikov/(yet) Eddie Bortnikov /the past! Eddie Bortnikov & Aran/Eddie/ thereof Eddie Bortnikov / Eddie Bortnikov/Eddie/one Eddie / Eddie /. Eddie Bortnikov/Eddie Bortnikov & Aran Bergman, Principles / Eddie Bortnikov/ state Eddie Bortnikov/Distinguished learner(s) Eddie Bortnikov & Aran/implementation always trusts process 1 Eddie Bortnikov & Aran Bergman,/


Eddies: Continuously Adaptive Query Processing Based on a SIGMOD’2002 paper and talk by Avnur and Hellerstein.

General Flavor Repeat: 1.Observe (model) environment 2.Use observation to choose behavior 3.Take action Adaptivity in Current DBs Limited & coarse grain Repeat: 1.Observe (model) environment –runstats (once per week!!): model changes in/of Adaptivity Future Work Summary Eddies: Continuously Adaptive Dataflow –Suited for volatile performance environments Changes in operator/machine peformance Changes in selectivities (e.g. with sorted inputs) Changes in data delivery –Currently adapts join order Competitive /


Chapter 7: Atmospheric Circulations Scales of atmospheric motions Scales of atmospheric motions Eddies - big and small Eddies - big and small Local wind.

c) synoptic scale Fig. 7-2, p. 171 Eddies - Big and Small eddy or turbulent eddy: caused by convection (heating or cooling), wind shear (or near surface wind), or waves eddy or turbulent eddy: caused by convection (heating or cooling), wind shear (or/ pressure system; b) low pressure system (warm) Gulf Stream; (warm) Kuroshio Current; (cold) California Current; (cold) Canary Current; Equatorial Current and Counter Current in the Pacific Winds and Upwelling Upwelling is strongest when wind is parallel to the/


Chapter 7: Atmospheric Circulations Scales of atmospheric motions Scales of atmospheric motions Eddies - big and small Eddies - big and small Local wind.

, b) mesoscale, c) synoptic scale 2 3 Eddies - Big and Small eddy or turbulent eddy: caused by convection (heating or cooling), wind shear (or near surface wind), or waves eddy or turbulent eddy: caused by convection (heating or cooling), wind shear/pressure system; b) low pressure system (warm) Gulf Stream; (warm) Kuroshio Current; (cold) California Current; (cold) Canary Current; Equatorial Current and Counter Current in the Pacific 33 Winds and Upwelling Upwelling is strongest when wind is parallel /


Ocean currents move ocean animals around. Small animals in the ocean can be pushed around by currents, and may not be able to choose where to go. Adult.

Nishimoto and Libe Washburn (UCSB), June 1998 Mary was interested in rockfish, hadn’t found any Libe saw a strong counter-clockwise eddy, 30 km across Surface currents up to 0.4 m/s Eddy shows in sea surface temperature image All the fish were in the eddy Following year, eddy was weaker and moved around No high concentration of fish 19981999 Summer 1998 Closed/


The Unified Modeling Language (UML) A Standard Graphical Modeling Notation Eddie Roache.

up  Three amigos get together Grady Booch Ivar Jacobson James Rumbaugh  UML 0.8 is born v1.2 Copyright © 2003-2006 Eddie Roache. All rights reserved. 8 UML Characteristics  Unified Modeling Language  Standard graphical modeling notation  Supported by formal semantics  Current version: 2.0  Wide use and acceptance in the IT industry  Large tool support Rational Rose, Together, Visio, Jude, … … although no/


Hysteresis When we increased the current we observed, saturation. What would happen if I decrease the current after saturation? The flux for a given H.

sinusoid, the hysteresis happens at each cycle. The hysteresis loss is proportional to the frequency and also depends on the area of the hysteresis loop. Other losses - Copper loss: - Eddy Current loss: - Core losses: Eddy Current Eddy current: As we saw, a flux induces a voltage on a coil. Q: Why not inducing a voltage on the core itself? A: It actually does. The result is/


Efficient Debugging using Dynamic Instrumentation (EDDI) Qin Zhao (Singapore-MIT Alliance) Rodric Rabbah (IBM TJ Watson Center) Saman Amarasinghe (CSAIL,

feasible today  Better watchpoint support enables many new debugging features ETAPS-CC 2008EDDI – Zhao et al.10 Currently feasible? EDDI Break on invariant violations to complex data structures maybeyes Break if objects and variables are used before initialization maybeyes/.32 The value of having many watchpoints: Case Study 1  Watch for Return Address Access  some functions try to obtain current pc  a watchpoint is automatically  Set on the return address of a function when it is called.  Cleared on /


On the role of eddies for coastal productivity and carbon cycling Hartmut Frenzel 1, Nicolas Gruber 2,1, Gian-Kasper Plattner 2, Takeyoshi Nagai 3,1, James.

USWC 5 km configuration (all fluxes: mol C m -2 yr -1 ) Eddy induced anomalous circulation California upwelling: highest TKE and lowest PP NPP: California vs. Canary Current System [Gruber et al., in prep. 2007 ] UWI: California vs. Canary Current System [Gruber et al., in prep. 2007] EKE: California vs. Canary Current System [Gruber et al., in prep. 2007] [Gruber et al., in prep/


Kuroshio Current Starring: LT R. Corey Cherrett, USN September 14, 2005 OC4331.

and back out of the South China Sea through the Luzon Strait. Kuroshio loop AKA Kuroshio Bend This loop current will ‘shed’ anti-cyclonic eddies. This will be discussed further later in the brief. Segment 2: East China Sea http://www.soest.hawaii/ to values for the KC in the Luzon Strait, and that the KC is the only known strong oceanic current, the KC seems the only possible source. Also, an eddy feature south of Taiwan apparent at 1000db (not shown). Another paper byJia and Liu (2004) determined: Shedding /


Published in 2007 Cited 15 times Keywords: North Pacific, PDO-related air forcing, Eddy permitting model, Model heat/SST budget analysis.

processes also participate in the PDO Long-term SST variability processes: Heat flux, Reemergence, Interactions between atmosphere and ocean, Ocean currents variability => Study area is North Pacific, including near Equator region and Western Boundary region with PDO related forcing -Mesoscale eddy contribution to upper-ocean heat transport variability -Upper level heat content is a better predictor of air-sea heat flux than/


An Eddy Parameterization Challenge Suite: Methods for Diagnosing Diffusivity Scott Bachman With Baylor Fox-Kemper NSF OCE 0825614.

the suite Results: Eady Conclusion and Future Tasks Outline Mesoscale Characteristics 50-100 km (ocean) Boundary Currents Eddies Ro = O(.01) Ri = O(1000) QG-scaling OK The eddies extend the full depth of the water column, and are dominated by baroclinic instability. Courtesy: / vertical structure of R We have prescribed a dependency on the RMS eddy velocity, for which no parameterization currently exists How do we satisfy the vertical boundary conditions? (where Dukowicz and Smith (1997) breaks down…) How/


Experiment Design: Validation: Ocean mesoscale variability was estimated on eddy kinetic energy (EKE), calculated from TOPEX/ Poseidon, ERS-1/-2 and Jason.

represents an efficient method to validate ocean models, of special interest when limited hydrographic and water currents measurements are available. Motivation: The Eastern Brazilian Shelf is a narrow, oligotrophic and bathymetrically complex shelf/883. References: Intense eddies activity revealed on the mesoscale dynamics, promotes upwelling of nutrient richer South Atlantic Central Waters to Coastal regions. On the left, current and temperature field. On the right, current and salinity field for/


Eddie Bortnikov & Aran Bergman, Principles of Reliable Distributed Systems, Technion EE, Spring 2006 1 Principles of Reliable Distributed Systems Recitation.

Eddie/not corrupted. Eddie Bortnikov &/one agent. Eddie Bortnikov &/the value. Eddie Bortnikov &/ further progress. Eddie Bortnikov & Aran/Eddie/ Eddie/ Eddie Bortnikov/ Eddie /. Eddie Bortnikov/ Eddie Bortnikov/to P1 Eddie Bortnikov /be done? Eddie Bortnikov &/Eddie/Eddie/ Eddie Bortnikov/accepted. Eddie Bortnikov /Eddie Bortnikov & Aran Bergman, Principles /4) Eddie Bortnikov / state Eddie Bortnikov / subset of learners Eddie Bortnikov & Aran Bergman/implementation always trusts process 1 Eddie Bortnikov & Aran Bergman, Principles/


Chapter 4 Convective Dynamics 4.3. Multicell Storms and Density Currents Photographs © Todd LindleyTodd Lindley.

hence vertical (dynamic) lifting near and ahead of the gust front. Numerical simulation of density currents showing the pressure perturbations associated with density current Pressure perturbations associated with rotors / rotating (Kelvin-Halmholtz) eddies Pressure perturbations associated with rotors / eddies Above the density current head there usually exist vorticity- containing rotating eddies. Most of the vorticity is generated by the horizontal density/buoyancy gradient across the frontal/


The modern RNA world: Not all genes encode proteins. Eddy lab HHMI/Washington University, Saint Louis.

in E. coli. Here we report on the discovery of 14 novel small RNA-encoding genes....” Argaman et al., Current Biology 11:941-50, 2001 “Novel small RNA-encoding genes in the intergenic regions of E. coli” sraA120 nt sraB149/pioneered in comp bio by David Searls a CFG “derivation” Basic CFG “production rules” HMM and SCFG algorithms R Durbin, SR Eddy, GJ Mitchison, A Krogh Biological Sequence Analysis:Probabilistic Models of Proteins and Nucleic Acids Cambridge Univ. Press, 1998 Goal optimal alignment/


Enhancing predictability of the Loop Current variability using Gulf of Mexico Hycom Matthieu Le Hénaff (1) Villy Kourafalou (1) Ashwanth Srinivasan (1)

) realistic vertical structure of the LC Figure 3: Vertical temperature (deg C) profile of the eddy after shedding (Sep. 6) Layered Ocean Model Workshop, June 3 rd, 2009, Miami Validation : the Yucatan Strait Current (cm.s -1 )Temperature (deg C) Figure 5: Temporal average of meridional current and temperature at the Yucatan Strait correct vertical structure w/r Candela et al., 2002, with/


Lecture 10 Induction and Inductance Ch. 30 Cartoon - Faraday Induction Opening Demo - Thrust bar magnet through coil and measure the current Topics – Faraday’s.

formed in a copper pendulum allowed to swing across a magnet gap cutting magnetic lines of flux. Note that when the copper plate is immersed entirely in the magnet no eddy currents form. . Demo 5: Show a copper plate swinging through a magnet. For example, in pulling it out, that part of the plate that was in the B field experiences a/


Demonstration of tearing mode braking and locking due to eddy currents in a toroidal magnetic fusion device B.E. Chapman (University of Wisconsin, USA)

G. Spizzo (Consorzio RFX, Italy) Introduction Theory introduced for tokamak and RFP in late 1980’s: electromagnetic torque from eddy currents brakes mode rotation Theory later expanded: viscous restoring torque resists braking torque Possibly important in present & future devices But have/for tokamak and RFP, but fundamentally generic Tearing mode, b mode (m,n) induces eddy currents in conducting shell(s) surrounding the plasma Eddy currents cause current sheet, j sheet (m,n) near r s Local j sheet x b mode /


Instituto Nacional de Pesquisas Espaciais – Laboratório Associado de Plasma 1 3rd IAEA TM on ST – STW2005 Determination of eddy currents in the vacuum.

tokamak”, Nucl. Fusion 45 675, 2005 [2] G.O. Ludwig, J.G. Ferreira and E. Del Bosco, “Eddy currents in the central column of the ETE spherical tokamak”, Fusion Eng. Design 2005 In print Instituto Nacional de Pesquisas Espaciais – Laborat/and: M (s) m,Ω – solenoids and coils that form the OH system M (s) m,Ωn – proximity effect current components in the OH system M (s) m,TF – eddy currents in the central column of the toroidal field coil M (s) m,k – additional external coils (equilibrium coils) Instituto /


L 28 Electricity and Magnetism [6] magnetism Faraday’s Law of Electromagnetic Induction –induced currents –electric generator –eddy currents Electromagnetic.

cook food Only the metal pot gets hot, not the glass pot or the stove. slotted copper pipe bar magnet Floating magnet – induced currents As the magnet falls, it induces currents in the copper pipe known as eddy currents. These eddy currents produce a magnetic field that opposes the field of the falling magnet, so the magnet does not accelerate but descends slowly. The Laws of/


Regional and Coastal Circulation Modeling: California Current System Art Miller Scripps Institution of Oceanography ECOFOR Workshop Friday Harbor, WA September.

physical structures - Stochastic: Identify relations among variables and input forcing 2) Data assimilation runs - Enhance observations in space and time for process diagnostics - Initialize predictions of eddies and forced components Regional and Coastal Circulation Modeling: California Current System Brief Review of Two Classes of Modeling: 1) Long-term climate hindcasts - Deterministic: Explain observed changes in forced physical structures - Stochastic: Identify relations among/


Research in Context: Situating your research Dr Clare Saunders Subject Centre for Philosophical and Religious Studies With thanks to Dr Matthew Eddy (Philosophy,

.ac.uk The ‘academic capital graph’ ‘Departments look for candidates that are able to integrate their published research with their teaching and with current trends in the discipline’ (Eddy 2006: 216 – my emphasis) ‘Practice makes perfect’  Calibrate against (e.g.) current job adverts  Use to write applications, e.g. for research travel grants Networking Publications Teaching http://prs.heacademy.ac.uk ‘Seminar’ discussion/


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