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Hybrid energy storage systems (HESS) have carved a niche in the industry. HESS improve the system efficiency, reduce the overall cost and increase the lifespan of the system. The proton exchange membrane (PEM) fuel cell is hybridized with…

Systems and Control · Electrical Eng. & Systems 2020-12-01 Ashita Victor , Abhay Shankar Jha , Janamejaya Channegowda , Sumukh Surya , Kali vara prasad Naraharisetti

A technique, volumetric power optimization, is presented for enhancing the power output of magnetic confinement fusion devices. Applied to a tokamak, this approach involves shifting the burning plasma region to a larger plasma volume while…

The capability of the global, electromagnetic gyrokinetic GENE code interfaced with the transport Tango solver is exploited to address the impact of fusion alpha particles (in their dual role of fast particles and heating source) on plasma…

A microwave cavity is described which can be used to cool lepton plasmas for potential use in synthesis of antihydrogen. The cooling scheme is an incarnation of the Purcell Effect: when plasmas are coupled to a microwave cavity, the plasma…

Instrumentation and Detectors · Physics 2016-10-04 N. Evetts , I. Martens , D. Bizzotto , D. Longuevergne , W. N. Hardy

We present experimental and theoretical studies of magnetic levitation of hydrogen gas bubble surrounded by liquid hydrogen confined in a semi-transparent spherical shell of 3 mm internal diameter. Such shells are used as targets for the…

Soft Condensed Matter · Physics 2016-02-22 D Chatain , Vadim Nikolayev

We study the effect of spatial confinement on the strength of propulsive diffusiophoretic forces acting on a particle that generates density gradients by exploiting the chemical free energy of its environment. Using a recently proposed…

Statistical Mechanics · Physics 2007-09-17 M. N. Popescu , S. Dietrich , G. Oshanin

We analyze plasma heating in weakly collisional kinetic Alfv\'en wave (KAW) turbulence using high resolution gyrokinetic simulations spanning the range of scales between the ion and the electron gyroradii. Real space structures that have a…

Plasma Physics · Physics 2016-12-14 A. B. Navarro , B. Teaca , D. Told , D. Groselj , P. Crandall , F. Jenko

The Travelling Wave Array (TWA) antenna was proposed as a promising alternative for Ion Cyclotron Resonant Heating (ICRH) in future fusion reactors. In this study, the possibility to make a TWA compatible with a tungsten environment like…

Plasma Physics · Physics 2023-01-26 V. Maquet , R. Ragona , F. Durodié , J. Hillairet

A load-tolerant External Conjugate-T (ECT) impedance matching system for two A2 Ion Cyclotron Resonance Heating (ICRH) antennas has been successfully put into operation at JET. The system allows continuous injection of the RF power into…

We theoretically investigate the role of the dielectric mismatch between materials on the energy levels and recombination energies of a core-shell nanowire. Our results demonstrate that when the dielectric constant of the core material is…

Mesoscale and Nanoscale Physics · Physics 2012-09-13 A. A. Sousa , T. A. S. Pereira , A. Chaves , J. S. de Sousa , G. A. Farias

We report on observations of several optical emission lines toward a variety of newly revealed faint, large-scale H-alpha-emitting structures in the warm ionized medium (WIM) of the Galaxy. The lines include [N II] 6583, [N II] 5755, [S II]…

Astrophysics · Physics 2007-05-23 G. J. Madsen

Understanding plasma self-magnetization is one of the fundamental challenges in both laboratory and astrophysical plasmas. Self-magnetization can modify the plasma transport properties, altering the dynamical evolution of plasmas. Multiple…

Plasma Physics · Physics 2026-04-09 K. V. Lezhnin , S. R. Totorica , J. Griff-McMahon , M. Medvedev , H. Landsberger , A. Diallo , W. Fox

Thermal fusion plasmas initiated by standing whistler waves are investigated numerically by two- and one-dimensional Particle-in-Cell simulations. When a standing whistler wave collapses due to the wave breaking of ion plasma waves, the…

Plasma Physics · Physics 2020-02-05 Takayoshi Sano , Shinsuke Fujioka , Yoshitaka Mori , Kunioki Mima , Yasuhiko Sentoku

We experimentally demonstrate energy exchange between a delay-tuned femtosecond beam and two delay-fixed ones as they spatiotemporally overlapped and experienced filamentation in air. The energy exchange process in the relative time delay…

Optics · Physics 2013-05-20 Zuoye Liu , Yu Cao , Yanchao Shi , Mingze Sun , Pengji Ding , Zeqin Guo , Bitao Hu

A long-term energy option that is just approaching the horizon after decades of struggle, is fusion. Recent developments allow us to apply techniques from spin physics to advance its viability. The cross section for the primary fusion fuel…

The turbulence in magnetically confined fusion plasmas has important and non-trivial effects on the quality of the energy confinement. These effects are hard to make a quantitative assessment of analytically. The problem investigated in…

Plasma Physics · Physics 2010-12-21 Pär Strand , Andreas Skyman , Hans Nordman

To explain the experimental facts that the fusion cross sections of proton-halo nucleus on heavy target nucleus is not enhanced as expected, the shielding supposition has been proposed. Namely, the proton-halo nucleus is polarized with the…

Nuclear Theory · Physics 2020-05-01 Xue-ying He , Qin Dong , Li Ou

Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the development of techniques to recombine the two paths of the interferometer and map the accumulated phase difference to a measurable atom number difference. We…

High-density lithium plasmas are expected to be generated in the Inertial Confinement Fusion (ICF) reactor chamber due to energy deposition of the prompt X-rays and ion debris in the first wall. These dense plasmas are encountered in many…

Plasma Physics · Physics 2020-02-19 Mofreh R. Zaghloul , Ahmed Hassanein

In the electron-driven fast-ignition approach to inertial confinement fusion, petawatt laser pulses are required to generate MeV electrons that deposit several tens of kilojoules in the compressed core of an imploded DT shell. We review…

Plasma Physics · Physics 2015-06-16 A. J. Kemp , F. Fiuza , A. Debayle , T. Johzaki , W. B. Mori , P. K. Patel , Y. Sentoku , L. O. Silva