نتایج جستجو برای: plasma inertial confinement
تعداد نتایج: 388472 فیلتر نتایج به سال:
Nuclear fusion technologies have re-gained momentum in the last decade thanks to their disruptive potential different fields, such as energy production and space propulsion, new technological developments, especially high temperature superconductor tapes, which allow overcoming previous performance or design limits. To date, reviews of recent nuclear designs are lacking. Therefore, this paper a...
The National Ignition Facility, construction for which will be completed in March, 2009, will be the highest energy laser ever built. The high temperatures and densities it will produce will enable a number of experiments in inertial confinement fusion and stockpile stewardship, as well as in nuclear astrophysics, X-ray astronomy, laser-plasma interactions, hydrodynamics, and planetary science.
This Letter reports the first time-gated proton radiography of the spatial structure and temporal evolution of how the fill gas compresses the wall blowoff, inhibits plasma jet formation, and impedes plasma stagnation in the hohlraum interior. The potential roles of spontaneously generated electric and magnetic fields in the hohlraum dynamics and capsule implosion are discussed. It is shown tha...
Hot electrons generated by the two-plasmon–decay instability in direct-drive targets are a preheat concern. A mitigation strategy that employs a layered ablator [V. N. Goncharov et al., Phys. Plasmas 21, 056315 (2014)] has been investigated both numerically and experimentally. The numerical simulations described here predict reduced hot-electron production compared with similar targets using ei...
Large-angle Coulomb collisions affect the rates of energy and momentum exchange in a plasma, and it is expected that their effects will be important in many plasmas of current research interest, including in inertial confinement fusion. Their inclusion is a long-standing problem, and the first fully self-consistent method for calculating their effects is presented. This method is applied to "bu...
The potential use of the proton-antiproton annihilation reaction as a driver for an inertially confined, magnetically insulated fusion plasma with application to advanced space propulsion is examined. The fusion scheme utilized is the magnetically insulated inertial confinement fusion (MICF) concept which combines the favorable aspects of both inertial and magnetic fusions into one. Using an ap...
A review of theoretical and experimental studies in the field compression heating a plasma target an external magnetic field, which has recently been called magneto-inertial fusion (MIF), carried out. MIF is concept magnetically driven inertial that involves magnetization fuel, laser pre-heating, implosion to create conditions. An analysis current state work on magnetized targets effect main pa...
From fundamental principles, the interaction of directed energetic electrons with a high-temperature hydrogenic plasma is analytically modeled. The randomizing effect of scattering off both plasma ions and electrons is treated from a unified point of view. For electron energies less than 3 MeV , electron scattering is equally important. The net effect of multiple scattering is to reduce the pen...
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