'Helicity' presentation slideshows

A few issues in turbulence and how to cope with them using computers

A few issues in turbulence and how to cope with them using computers. Annick Pouquet, NCAR

833 views • 69 slides

Upsilon Polarization at CDF

762 views • 61 slides

The Relation between Filament Skew Angle and Magnetic Helicity of Active Regions Masaoki HAGINO,

The first Chinese-Korean Solar Physics Workshop July 9-13,2005. The Relation between Filament Skew Angle and Magnetic Helicity of Active Regions Masaoki HAGINO, Y.J. MOON (Korea Astronomy and Space Science Institute) and Takashi SAKURAI (National Astronomical Observatory of Japan).

520 views • 40 slides

The Solar Corona

The Solar Corona. B. C. Low High Altitude Observatory National Center for Atmospheric Research. The National Center for Atmospheric Research is operated by the University Corporation for Atmospheric Research

589 views • 39 slides

Dr. Alexei A. Pevtsov

Helicity on the Sun. If you worry about publicity Do not speak of Current Helicity Jan Stenflo. Dr. Alexei A. Pevtsov. Helicity on the Sun:. What is it good for anyway?. Dr. Alexei A. Pevtsov. Outline. Definition of helicity (incl. graphic repr.)

477 views • 30 slides

Mei Zhang ? National Astronomical Observatory, Chinese Academy of Sciences ?

Helicity Transport from the convection zone to interplanetary space. Mei Zhang ? National Astronomical Observatory, Chinese Academy of Sciences ?. Collaborators : Boon Chye Low, Natasha Flyer, Mark Miesch (NCAR, Boulder, USA) Yin Zhang, Chuanyu Wang, Juan Hao (NAOC, Beijing, China).

443 views • 30 slides

Kinetic and Magnetic Helicities of Solar Active Regions

Kinetic and Magnetic Helicities of Solar Active Regions. Ram Ajor Maurya, Ashok Ambastha And Vema Reddy. Udaipur Solar Observatory Physical Research Laboratory, India. Outline. Objectives Introduction and background The Data and Sample of Active Regions

459 views • 29 slides

Helicity and Helicity flux during the solar cycle

389 views • 27 slides

Energy & Helicity Flux into the Corona

332 views • 24 slides

709 views • 20 slides

Magnetic helicity: why is it so important and how to get rid of it

Magnetic helicity: why is it so important and how to get rid of it. Axel Brandenburg (Nordita, Copenhagen) Kandaswamy Subramanian (Pune). Brandenburg (2001, ApJ 550, 824; 2005, ApJ 625, 539) Brandenburg & Subramanian (2005, Phys. Rep., astro-ph/0405052). Magnetic helicity.

358 views • 20 slides

Active Region Evolution and the Removal of Magnetic Helicity by CMEs

Active Region Evolution and the Removal of Magnetic Helicity by CMEs. Len Culhane Mullard Space Science Laboratory University College London. SUMMARY. Long-term Evolution of Sigmoidal Structures and Related CME Activity (Glover, Harra, Matthews, Hori, Culhane, 2001, In Press, A&A)

323 views • 19 slides

Mei Zhang ? National Astronomical Observatory, Chinese Academy of Sciences ?

Solar cycle variation of kinetic helicity. Mei Zhang ? National Astronomical Observatory, Chinese Academy of Sciences ?. Collaborators : Junwei Zhao (Stanford, USA) Mark Miesch (HAO/NCAR, USA). Plan of the Talk. Motivation: Solar-cycle variation of current helicity

323 views • 19 slides

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????????????????????????????? ??? , ????? TS-3 & 4 ???? ?????????????????. 3. m]. B /B =0.5. B /B =2.2. //0. z. z. //0. W. 2. B /B =1.0. B /B =2.7. //0. //0. z. z. [m. B /B =1.6. B /B =3.2. z. //0. z. //0. (t). 1. z. h. 0. 0. 1. 2. 3. 4. 5.

363 views • 19 slides

The First Measurement of the Elastic pp-scattering Spin Parameters at ? s =200 GeV

The First Measurement of the Elastic pp-scattering Spin Parameters at ? s =200 GeV. S. B?eltmann, I. H. Chiang, B. Chrien, A. Drees, R. Gill, W. Guryn*, D. Lynn, J. Landgraf, T.A. Ljubi ?i?, C. Pearson, P. Pile, A. Rusek, M. Sakitt, S. Tepikian, K. Yip: Brookhaven National Laboratory, USA

283 views • 18 slides

Catastrophic a -quenching alleviated by helicity flux and shear

294 views • 18 slides

Standard Model Lagrangian with Electro-Weak Unification

342 views • 16 slides

Evolutionary Characteristics of Magnetic Helicity Injection through Active Regions

Evolutionary Characteristics of Magnetic Helicity Injection through Active Regions. Hyewon Jeong, Jongchul Chae Seoul National University. Purpose. How much helicity is supplied through active regions?

241 views • 11 slides

2. Method outline Equation of relative helicity (Berger 1985):

a. b. c. Determination of Coronal Magnetic Helicity of Solar Active Regions Using the Linear Force-Free Field Model. Eun-Kyung Lim, Hyewon Jeong, Jongchul Chae Seoul National University, Korea. 2. Method outline Equation of relative helicity (Berger 1985):

184 views • 8 slides

Evolutionary Characteristics of Magnetic Helicity Injection in Active Regions

Evolutionary Characteristics of Magnetic Helicity Injection in Active Regions Hyewon Jeong and Jongchul Chae Seoul National University, Korea.

109 views • 1 slides