Results 111 to 120 of about 18,475 (245)

DESC: A stellarator equilibrium solver

, 2020
The new code DESC is presented to solve for fixed-boundary ideal magnetohydrodynamic equilibria in stellarators. The approach directly solves the equilibrium force balance as a system of nonlinear equations in the form f ( x ) = 0.
D. Dudt, E. Kolemen
semanticscholar   +1 more source

Stellar Motions and Stellar Dynamics [PDF]

Transactions of the International Astronomical Union, 1962
The texts of the twelve prepared contributions, often in abbreviated form, are given first; they are followed by a summary of the discussion on all the contributions considered together.
A. Blaauw, Ch. Fehrenbach, F. P. Scott, K. Aa. Strand, A. Blaauw, K. Aa. Strand, B. J. Bok, S. Sharpless, O. G. Franz   +8 more
openaire   +1 more source

Economically optimized design point of high-field stellarator power-plant

Nuclear Fusion
High temperature superconductors (HTSs) expand the design space of stellarator power-plants (PPs) toward high magnetic fields B , enabling compact major radii R .
Victor Prost, Francesco A. Volpe
doaj   +1 more source

Metamorphosis of plasma turbulence-shear flow dynamics through a transcritical bifurcation

, 2002
The structural properties of an economical model for a confined plasma turbulence governor are investigated through bifurcation and stability analyses.
A. E. Hubbard, A. Takayama, A. Thyagaraja, B. A. Carreras, D. Thomas, F. L. Hinton, F. Ryter, G. Hu, G. M. Staebler, H. Dahi, H. R. Strauss, H. R. Strauss, H. Sugama, H. Sugama, H. Sugama, H. Sugama, H. Sugama, H. Zohm, I. A. Vojtsekhovich, I. N. James, J. F. Drake, J. W. Connor, K. H. Burrell, K. Ida, M. G. Shats, M. G. Shats, M. G. Shats, M. Hirsch, M. Hirsch, O. Pogutse, P. E. Bak, P. H. Diamond, P. W. Terry, R. A. Moyer, R. Ball, R. Ball, R. Ball, R. E. Bell, R. L. Dewar, S.-I. Itoh, S.-I. Itoh, T. H. Stix, V. B. Lebedev, W. Suttrop, Y. Igitkhanov   +44 more
core   +1 more source

Trapped electron mode in a quasi-isodynamic stellarator

Nuclear Fusion
Global gyrokinetic simulations find a strongly unstable trapped electron mode excited by a density gradient in a quasi-isodynamic stellarator. The eigenmode structure localizes on the inner side of the torus with an unfavorable magnetic curvature and ...
Javier H. Nicolau, Xishuo Wei, Pengfei Liu, Gyungjin Choi, Zhihong Lin   +4 more
doaj   +1 more source

ParaStell: parametric modeling and neutronics support for stellarator fusion power plants

Frontiers in Nuclear Engineering
The three-dimensional variation inherent to stellarator geometries and fusion sources motivates three-dimensional modeling to obtain accurate results from computational modeling in support of design and analysis of first wall, blanket, and shield (FWBS ...
Connor Moreno, Aaron Bader, Aaron Bader, Paul Wilson   +3 more
doaj   +1 more source

Statistical Analysis of Plasma Dynamics in Gyrokinetic Simulations of Stellarator Turbulence. [PDF]

Entropy (Basel), 2023
Papadopoulos AD, Anderson J, Kim EJ, Mavridis M, Isliker H.   +4 more
europepmc   +1 more source

Stellar winds

This is a pre-print of a chapter for the Encyclopedia of Astrophysics (edited by I. Mandel, section editor F.R.N.
openaire   +2 more sources

First experimental observation of zonal flows in the optimized stellarator Wendelstein 7-X

Physical Review Research
In this work, we present the first experimental evidence of the presence of zonal flow (ZF) structures in the optimized stellarator Wendelstein 7-X.
D. Carralero, T. Estrada, J. M. García-Regaña, E. Sánchez, T. Windisch, A. Alonso, E. Maragkoudakis, C. Brandt, K. J. Brunner, C. Gallego-Castillo, P. Kornejew, K. Parks, K. Rahbarnia, H. Thienpondt   +13 more
doaj   +1 more source

Global fluid simulation of plasma turbulence in stellarators with the GBS code

Nuclear Fusion
The implementation of three-dimensional magnetic fields, such as the ones of stellarators, in the GBS code (Ricci et al 2012 Plasma Phys. Control. Fusion 54 124047; Giacomin et al 2022 J. Comput. Phys. 464 111294) is presented, and simulation results are
A.J. Coelho, J. Loizu, P. Ricci, Z. Tecchiolli   +3 more
doaj   +1 more source