Adiabatic compression and radiative compression of magnetic fields
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Adiabatic compression and radiative compression of magnetic fields

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Published by for sale by the National Technical Information Service] in [Livermore, Calif.] : [Dept. of Energy], Lawrence Livermore Laboratory, [Springfield, Va .
Written in English

Subjects:

  • Magnetic flux compression,
  • Magnetic fields,
  • Adiabatic demagnetization

Book details:

Edition Notes

StatementC. H. Woods, Lawrence Livermore Laboratory, University of California
SeriesUCID ; 18579
ContributionsUnited States. Dept. of Energy, Lawrence Livermore Laboratory
The Physical Object
Pagination16 leaves :
Number of Pages16
ID Numbers
Open LibraryOL14884869M

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Adiabatic Quasi-spherical Compressions Driven by Magnetic Pressure for Inertial Confinement Fusion I. Introduction The concept of an adiabatic quasi-spherical compression is well known in the field of magnetized target fusion (MTF). (1) In MTF the DT fuel is magnetized to limit thermal conductivity from the fuel to the imploding shell. @article{osti_, title = {Plasma heating via adiabatic magnetic compression-expansion cycle}, author = {Avinash, K. and Sengupta, M. and Ganesh, R.}, abstractNote = {Heating of collisionless plasmas in closed adiabatic magnetic cycle comprising of a quasi static compression followed by a non quasi static constrained expansion against a constant external pressure is proposed. Abstract. The adiabatic compression of magnetized plasmas has come to the fore in recent times as an interesting hybrid of both inertial and magnetic fusion energy schemes, possibly allowing a means to reach fusion conditions in a compact pulsed system (R.P. Drake et al. Fusion Tech. 30, , ()).It is possible to compress a range of different magnetic configurations (D.D. Ryutov, R.E Cited by: requirements of the adiabatic compression. A spherical tokamak with Rinner = 3 cm, Router=19 cm The current through axial shaft is MA Plasma density is 1−2𝑥𝑐𝑚−3 𝑇𝑒 at the plasma center is – eV Toroidal Magnetic Field T at the center of the plasma.

  Heating of collisionless plasmas in closed adiabatic magnetic cycle comprising of a quasi static compression followed by a non quasi static constrained expansion against a constant external pressure is proposed. Thermodynamic constraints are derived to show that the plasma always gains heat in cycles having at least one non quasi static process. The turbulent relaxation of the plasma to the. Magnetic fields may leave also important signatures on the head morphologies of the radiative cooling jets. The amplification of the nonparallel components of the magnetic fields, particularly in the helical field geometry, reduces the postshock compressibility and increases the postshock cooling length.   Introduction to Plasma Physics is the standard text for an introductory lecture course on plasma physics. The text’s six sections lead readers systematically and comprehensively through the fundamentals of modern plasma physics. Sections on single-particle motion, plasmas as fluids, and collisional processes in plasmas lay the groundwork for a thorough understanding of the subject.3/5(5). The mathematical equation for an ideal gas undergoing a reversible (i.e., no entropy generation) adiabatic process can be represented by the polytropic process equation =, where P is pressure, V is volume, and for this case n = γ, where = = +, C P being the specific heat for constant pressure, C V being the specific heat for constant volume, γ is the adiabatic index, and f is the number of.

We present very-high-resolution 1D MHD simulations of the late-stage supernova remnants (SNRs). In the post-adiabatic stage, the magnetic field has an important and significant dynamical effect on the shock dynamics, the flow structure, and hence the acceleration and emission of cosmic rays. We find that the tangential component of the magnetic field provides pressure support that to a fair.   We present very-high-resolution 1D MHD simulations of the late-stage supernova remnants (SNR). In the post-adiabatic stage the magnetic field has an important and significant dynamical effect on the shock dynamics, the flow structure, and hence the acceleration and emission of cosmic rays. We find that the tangential component of the magnetic field provides pressure support . 2. Methods Magnetic compression experiments consist in general of condenser banks connected to coils of various geometries enclosing a discharge tube. During the discharge the time-dependent magnetic field induces an electric field and therefore currents in the plasma with current densities depending on the electrical conduct- ivity of the plasma. The adiabatic theory for charged particles in a magnetic field was developed in the s, formally presented in a paper by Northrop and Teller and described in detail in Northrop's book ().It is based on the fact that, within a certain range of particle energies and magnetic field configurations, the motion of charged particles exhibits three distinct periodicities: cyclotron, bounce, and.