POLAR Scientists Discover the Energy Source Powering the Aurora. It is known that the aurora is created by intense electron beams which impact the upper atmosphere of the Earth. Until POLAR, it hasn’t been clear where the energy comes from to create those energetic particle beams.By dayton
POLAR Scientists Discover the Energy Source Powering the Aurora. It is known that the aurora is created by intense electron beams which impact the upper atmosphere of the Earth. Until POLAR, it hasn’t been clear where the energy comes from to create those energetic particle beams.By beardj
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Outline. Introduction to Alfven wavesAlfven waves in tokamaksToroidicity-induced Alfven Eigenmodes (TAE)Energetic-particle modes (EPM)Discrete Alfven eigenmodes ( TAE)Summary. Introduction to Alfven Waves. Basic pictures of Alfven wavesImportance of Alfven wavesAlfven waves in nonuniform plasmasShear modes vs. compressional modes.
Summer School 2007, Chengdu. Alfven Waves in Toroidal Plasmas. S. Hu College of Science, GZU Supported by NSFC. Outline. Introduction to Alfven waves Alfven waves in tokamaks Toroidicity-induced Alfven Eigenmodes (TAE) Energetic-particle modes (EPM) Discrete Alfven eigenmodes ( TAE)
Nonlinear effects on torsional Alfven waves. S. Vasheghani Farahani, V.M. Nakariakov, T. Van Doorsselaere, E. Verwichte. Motivation: Study the compressible flows induced by nonlinear Alfven waves, both standing and propagating.
Ion Heating by Alfven Waves and Reconnection in NSTX. Laboratory Astrophysics Invited session of April APS meeting, Dallas, Texas. Two laboratory examples of ion heating relevant to space plasma physics. First example has no evidence of thermal ion heating, but mechanism is understood.
SOLAR MICROWAVE DRIFTING SPIKES AND SOLITARY KINETIC ALFVEN WAVES. D. J. Wu, J. Huang, J. F. Tang, and Y. H. Yan The Astrophysical Journal, 665: L171–L174, 2007 August 20 presented by Gelu M. Nita. Motivations for selecting this paper.
Shear Instability Viewed as Interaction between Counter-propagating Waves. John Methven, University of Reading Eyal Heifetz, Tel Aviv University Brian Hoskins, University of Reading Craig Bishop, Naval Research Laboratories, Monterey. Baroclinic instability theory.
Propagating Plants. Charlie has just left school and loves being outside. To celebrate his success in finishing school, Granny has given him .... a potato plant!!! . Then Charlie has a bright idea! Maybe he could start a business growing plants.
Observational evidences of the propagating waves in/above chromospheric network. Peter Gömöry Astronomical Institue of the Slovak Academy of Sciences. Institut d’Astrophysique Spatiale, Orsay, France. Motivation (I).
コロナ中の Alfven 波. Tomczyk et al., 2007, Science, 317, 1192 NSO / CoMP. プロミネンスの Alfven 型波動. Okamoto et al. 2007, Science, 318, 1577. 彩層・遷移層スピキュールの Alfven 型波動. McIntosh+, 2011, Nature 475, 477 SDO / AIA He II 304A 、 Fe IX 171A. 彩層・遷移層スピキュールの Alfven 型波動. Okamoto & De Pontieu , 2011, ApJL.
Propagating Plants Sexually. Terms. Direct seeding Dormant Embryo plant Germination Hybrid Indirect seeding Medium Planting date Scarification Seedling plant Sexual reproduction Stratification Turgor Viability Vigor Zygote. Learning Target 1.