Results 201 to 210 of about 1,092,232 (226)

Investigation of a Synchronized Current Scale-Down Drive for the Maritime Magnetohydrodynamic Engine

IEEE Journal of Emerging and Selected Topics in Power Electronics
The new frontier maritime magnetohydrodynamic (MHD) engine drive generates the fields of magnetic and electric to accelerate seawater inside the engine duct. The dc system is overwhelmed by the ac for no explosive and poison gases emission.
Kin Lung Jerry Kan, K.W.E. Cheng, Yat Chi Fong, Ka Wing Chan   +3 more
semanticscholar   +3 more sources

AC Maritime Magnetohydrodynamic Engine—Resonant Drive Topologies, Propulsion Mechanism, and Experimental Validation

IEEE Transactions on Transportation Electrification
A magnetohydrodynamic (MHD) engine is a propulsion system that converts electric energy into fluid flow by utilizing the Lorentz force. It has the potential to electrify the conventional rotational propellers on ships, which can have adverse effects on ...
Kin Lung Jerry Kan, K.W.E. Cheng, Hai Chen Zhuang, Hui Tang   +3 more
semanticscholar   +3 more sources

Modification of magnetohydrodynamic activity by lower hybrid current drive

Physics of Fluids B: Plasma Physics, 1989
The effect of magnetic islands on the propagation of lower hybrid waves is investigated analytically for a model slab equilibrium with a single helical perturbation corresponding to an m=1 or m=2 island. From the variation of k∥ inside the island, the parallel current is estimated with the same pitch as the original perturbation.
F. Romanelli, A. Cardinali, R. Bartiromo
openalex   +3 more sources

Magnetohydrodynamic and Heat Transfer Impacts on Ferrofluid Over a Rotating Disk: An Application to Hard Disk Drives

Journal of Thermal Science and Engineering Applications, 2020
Abstract The motivation behind this article is to explore the impacts of heat transfer, magnetohydrodynamic, and hall current on two-dimensional incompressible nanofluid flow over a rotating disk. The nanofluid model utilized in the present investigation comprises the nanoparticle fraction model. Two sorts of nanoparticles to be specific
V. Loganayagi, Peri K. Kameswaran
openalex   +2 more sources

Nonlinear magnetohydrodynamics of pulsed parallel current drive in reversed-field pinches

Physics of Plasmas, 2008
Nonlinear simulation with a simple resistive magnetohydrodynamics model is used to investigate the stabilization of magnetic fluctuations in reversed-field pinch plasmas subject to pulsed-parallel current drive. Numerical results are diagnosed with computations of nonlinear power transfer and by evaluating sequences of profiles for linear stability ...
J.M. Reynolds-Barredo, C. R. Sovinec, S. C. Prager   +2 more
openalex   +2 more sources

Three-dimensional magnetohydrodynamic simulations of the Helicity Injected Torus with Steady Inductive drive

Physics of Plasmas, 2005
The Helicity Injected Torus with Steady Inductive drive (HIT-SI) [P. E. Sieck, W. T. Hamp, V. A. Izzo, T. R. Jarboe, B. A. Nelson, R. G. O’Neill, A. J. Redd, and R. J. Smith, IEEE Conference Record—Abstracts. 31st IEEE International Conference On Plasma Science (IEEE Catalog No. 04CH37537), 2004, p.
V.A. Izzo, T. R. Jarboe
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Instabilities of ideal magnetohydrodynamics mode and neoclassical tearing mode stabilization by electron cyclotron current drive for EHL-2 spherical torus

Plasma Science and Technology
Abstract The next generation fusion device listed on ENN’s fusion roadmap, named as (ENN He-Long) EHL-2, is under both physics and engineering designs. The instabilities of ideal magnetohydrodynamics (MHD) mode and neoclassical tearing mode (NTM) stabilized by electron cyclotron current drive (ECCD) for EHL-2’s two typical operation ...
Lili Dong, Li Li, Tong Liu, Wenjun Liu, Y. Liang, Jiaqi Dong, Huasheng Xie, Yuejiang Shi   +7 more
openalex   +2 more sources

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Impact of nanoparticle shape on magnetohydrodynamic stagnation-point flow of Carreau nanoliquid: A comparative study

Proceedings of the Institution of mechanical engineers. Part E, journal of process mechanical engineering, 2021
In this paper, a numerical computational work is carried out to investigate the significance of nanoparticle shape on magnetohydrodynamic stagnation-point flow of Carreau nanoliquid caused by a horizontally moving thin needle.
N. Sandeep, G. Ashwinkumar
semanticscholar   +1 more source

Effect of fast electron transport on neoclassical tearing mode stabilization by electron cyclotron current drive

Nuclear Fusion, 2022
Recent studies have shown that the stabilization of neoclassical tearing modes (NTMs) by electron cyclotron current drive (ECCD) in ITER may be impeded when the injected electron cyclotron wave beam is broadened by plasma density fluctuations. This paper
Xiaojing Wang, Yang Zhang, Xiaodong Zhang, Liqun Hu, Haiqing Liu   +4 more
semanticscholar   +1 more source

Numerical magnetohydrodynamic simulations of expanding flux ropes: Influence of boundary driving

Physics of Plasmas, 2013
The expansion dynamics of a magnetized, current-carrying plasma arch is studied by means of time-dependent ideal MHD simulations. Initial conditions model the setup used in recent laboratory experiments that in turn simulate coronal loops [J. Tenfelde et al., Phys. Plasmas 19, 072513 (2012); E. V. Stenson and P. M. Bellan, Plasma Phys.
Thomas Tacke, Jürgen Dreher, Richard D. Sydora   +2 more
openaire   +1 more source