Results 251 to 260 of about 319,492 (291)

High power pulse compression using magnetic flux compression

Journal of Applied Physics, 2012
A design of high power pulse compression by (axial) magnetic flux compression is presented. Optimal model parameters are presented for liner plasma using the thin-shell model code and finite element analyses for stator coils design. Typical model simulation results indicated that a 1.5 μs rise-time pulse with 7.5 MA peak value could be compressed to 20
Fu-Kai Xu, Wu Ding
openaire   +1 more source

Compressible magnetic-field reconnexion

Journal of Plasma Physics, 1979
The Sonnerup solution for reconnexion about an X-type magnetic null point is modified to involve only stable shocks. However, the reconnexion process described does not originate at the line breaking point but is engineered by precise boundary conditions in the inflow region. Our solution is also valid in the compressible case.
openaire   +1 more source

Target Plasma Formation for Magnetic Compression/Magnetized Target Fusion

Physical Review Letters, 1995
Experimental observations of plasma behavior in a novel plasma formation chamber are reported. Experimental results are in reasonable agreement with two-dimensional magnetohydrodynamic computations suggesting that the plasma could subsequently be adiabatically compressed by a magnetically driven pusher to yield 1 GJ of fusion energy.
, Lindemuth, , Reinovsky, , Chrien, , Christian, , Ekdahl, , Goforth, , Haight, , Idzorek, , King, , Kirkpatrick, , Larson, , Morgan, , Olinger, , Oona, , Sheehey, , Shlachter, , Smith, , Veeser, , Warthen, , Younger, , Chernyshev, , Mokhov, , Demin, , Dolin, , Garanin, , Ivanov, , Korchagin, , Mikhailov, , Morozov, , Pak, , Pavlovskii, , Seleznev, , Skobelev, , Volkov, , Yakubov   +34 more
openaire   +2 more sources

Compressive Surface Stress in Magnetic Transition Metals

Physical Review Letters, 2011
Because of the increased electron density within the surface layer, metal surfaces are generally expected to have tensile surface stress. Here, using first-principles density functional calculations, we demonstrate that in magnetic 3d metals surface magnetism can alter this commonly accepted picture.
M.P.J. Punkkinen, S. K. Kwon, J. Kollár, B. Johansson, and L. Vitos   +4 more
openaire   +3 more sources

Magnetic flux compression generators (MCGs)

Conference Record of the Twenty-Third International Power Modulator Symposium (Cat. No. 98CH36133), 2002
Summary form only given as follows. Explosively driven MCGs were first conceived in the 1950s, with such dignitaries as Max Fowler and Alexander Sakharov claiming credit for the invention. These are essentially high power electrical dynamos that use explosively driven metal armatures to rapidly compress strong magnetic fields.
J.H. Goforth, D.G. Task, H. Oona, E.A. Lopez   +3 more
openaire   +1 more source

Surface magnetism in a compressible Ising model

Physical Review B, 1992
A semi-infinite compressible Ising model is studied within a variational approach based on Bogoliubov's inequality. The exchange couplings in our effective-spin Hamiltonian depend on external forces. We have determined the profile of the magnetization and the phase diagram for the surface critical couplings as a function of the external force.
, Moreira, , Figueiredo
openaire   +2 more sources

Magnetic compression anastomosis for postoperative biliary atresia

Pediatrics International, 2017
AbstractWe report a case of successful magnetic compression anastomosis (MCA) for obstructed cyst‐jejunostomy in a young woman who had undergone surgery for type 1 biliary atresia (BA) on day 78 of life. A 16‐year‐old girl was admitted with obstructive jaundice.
Rei Matsuura, Takehisa Ueno, Yuko Tazuke, Natsumi Tanaka, Hiroaki Yamanaka, Yuichi Takama, Kengo Nakahata, Taku Yamamichi, Noboru Maeda, Keigo Osuga, Eigoro Yamanouchi, Hiroomi Okuyama   +11 more
openaire   +3 more sources

The MAGO system (magnetic compression)

IEEE Transactions on Plasma Science, 1998
Results of experimental and theoretical investigations are presented in the frame of magnetohydrodynamic implosion conception MAGnitnoye Obzhatiye or magnetic compression (MAGO). This approach suggests magnetized deuterium-tritium (DT)-plasma preliminary heating and its subsequent adiabatic compression by liner imploded by a magnetic field.
openaire   +1 more source

Treatment of rectovaginal fistula by magnetic compression

International Urogynecology Journal, 2016
Rectovaginal fistula (RVF) is an abnormal epithelium-lined connection between the rectum and vagina. The primary effective treatment is surgical repair, but recurrence remains a challenge. Magnetic compression anastomosis (MCA), an alternative to suturing, has been developed to generate an anastomosis between various hollow viscera.
Zhan-Fei, She, Xiao-Peng, Yan, Feng, Ma, Hao-Hua, Wang, Huan, Yang, Ai-Hua, Shi, Liang, Wang, Xin, Qi, Bin, Xiao, Yu-Liang, Zou, Yi, Lv   +10 more
openaire   +2 more sources

Critical behavior of compressible magnets

Physical Review B, 1974
A model of a compressible $n$-component magnet which includes shearing forces is solved by the renormalization-group recursion relations to first order in $\ensuremath{\epsilon}=4\ensuremath{-}d$. Four fixed points are found and their relevance for critical behavior is discussed.
openaire   +1 more source