# Effects of compressibility and heating in magnetohydrodynamics simulations of a reversed field pinch

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- A simple derivation of the Peaseâ€“Braginskii current. Pereira, Nino R. // Physics of Fluids B: Plasma Physics;Mar90, Vol. 2 Issue 3, p677
The Peaseâ€“Braginskii current is rederived for a uniform single species Z pinch. The result contains the AlfvÃ©n current and the ratio between the collisional and bremsstrahlung cross sections.

- Stability of a Z pinch at the Peaseâ€“Braginskii current. Cochran, F. L.; Robson, A. E. // Physics of Fluids B: Plasma Physics;Sep90, Vol. 2 Issue 9, p2270
The stability of a Z pinch carrying the Peaseâ€“Braginskii current is examined using a two-dimensional compressible magnetohydrodynamic (MHD) code that includes resistivity and bremsstrahlung. It is found that the growth rate of m=0 perturbations depends upon the Lundquist number S and that...

- Rapid magnetic reconnection caused by finite amplitude fluctuations. Matthaeus, W. H.; Lamkin, S. L. // Physics of Fluids (00319171);Jan85, Vol. 28 Issue 1, p303
The nonlinear dynamics of the magnetohydrodynamic sheet pinch have been investigated as an unforced initial value problem for large scale Reynolds numbers up to 1000. Reconnection is triggered by adding to the sheet pinch a small but finite level of broadband random perturbations. Effects of...

- Implosion dynamics of long-pulse wire array Z pinches. Douglas, M. R.; Deeney, C.; Spielman, R. B.; Coverdale, C. A.; Roderick, N. F.; Peterson, D. L. // Physics of Plasmas;May2000, Vol. 7 Issue 5, p1935
Examines the implosion dynamics of long-pulse wire array Z pinches. Increase of implosion time to minimize the voltage; Employment of a nested array configuration; Development of magnetohydrodynamic instabilities on time scales.

- One-, two-, and three-dimensional modeling of the different phases of wire array Z-pinch evolution. Chittenden, J. P.; Lebedev, S. V.; Bland, S. N.; Beg, F. N.; Haines, M. G. // Physics of Plasmas;May2001, Vol. 8 Issue 5, p2305
A series of one-, two-, and three-dimensional (1-D, 2-D, and 3-D) resistive magnetohydrodynamic models are used to build up a composite model of the different phases of wire array Z-pinch implosions. 1-D(r) and 2-D(r,z) â€œcold-startâ€ simulations of single wire experiments are used to...

- Formation of dense, electromagnetically accelerated plasma for laboratory astrophysics. K. Adachi; M. Nakajima; T. Kawamura; K. Horioka // EPJ Web of Conferences;2013, Issue 59, p1
We proposed tapered pinch discharge as a measure to conduct laboratory astrophysics experiments. Basic behaviors of the plasma have been characterized using a prototype device. Results show that the plasma flux and velocity depend on initial gas density, discharge current and taper geometry....

- Hybrid simulation of the Z-pinch instabilities for profiles generated during wire array implosion in the Saturn pulsed power generator. Sotnikov, V. I.; Leboeuf, J. N.; Deeney, C.; Coverdale, C. A.; Hellinger, P.; Travnicek, P.; Fiala, V. // Physics of Plasmas;Sep2005, Vol. 12 Issue 9, p092701
Experimental evidence suggests that the energy balance between processes in play during wire array implosions is not well understood. In fact the radiative yields can exceed by several times the implosion kinetic energy. A possible explanation is that the coupling from magnetic energy to kinetic...

- MHD Simulations of Molybdenum X-Pinches. Ivanenkov, G. V.; Stepniewski, W. // Plasma Physics Reports;Oct2002, Vol. 28 Issue 10, p814
The compression of molybdenum X-pinches with paraboloidal and conical initial geometries is investigated using numerical radiative MHD models. The model with conical initial geometry provides a more complete description of the axial plasma motion, better reflects the actual discharge geometry,...

- Vlasov fluid stability of a skin current Z pinch with finite electron pressure. Arber, T. D. // Physics of Fluids B: Plasma Physics;May91, Vol. 3 Issue 5, p1152
The linear stability of a Z-pinch confined by a skin current has been studied in the collisionless regime using the Vlasov fluid model for arbitrary m number. The trajectory integrals that are normally so formidable an aspect of Vlasov fluid analyses are greatly simplified in this equilibrium...