Volume ignition for inertial confinement fusion tested by different stopping power models

1996 ◽  
Author(s):  
H. Hora ◽  
S. Eliezer ◽  
J. J. Honrubia ◽  
R. Höpfl ◽  
J. M. Martinez-Val ◽  
...  
Keyword(s):  
Inertial Confinement Fusion ◽  
Stopping Power ◽  
Inertial Confinement ◽  
Confinement Fusion ◽  
Power Models ◽  
Volume Ignition

scholarly journals Analysis of the retrograde hydrogen boron fusion gains at inertial confinement fusion with volume ignition

1997 ◽  
Vol 15 (4) ◽  
pp. 565-574 ◽  
Author(s):  
Chr. Scheffel ◽  
R.J. Stening ◽  
H. Hora ◽  
R. Höpfl ◽  
J.M. Martinez-Val ◽  
...  
Keyword(s):  
Inertial Confinement Fusion ◽  
Fusion Reaction ◽  
Relativistic Correction ◽  
Stopping Power ◽  
Inertial Confinement ◽  
Optimum Temperature ◽  
Power Stations ◽  
Confinement Fusion ◽  
Nuclear Fusion Reaction ◽  
Volume Ignition

The very clean nuclear fusion reaction of hydrogen and boron-11 by inertial confinement arrives at conditions for power stations by volume ignition only at compressions to 100,000 times the solid state. The earlier (numerically) observed anomaly of decreasing gain at increasing density (retrograde behavior) is analyzed and the reason clarified: the strong stopping power mechanism, based on Gabor's collective model, is reaching its limit of too small Debye lengths at the extremely high densities because of the optimum temperature in the range of 30 keV due to the reabsorption of the bremsstrahlung. The relativistic correction of the bremsstrahlung for the always much higher temperatures after volume ignition is included from Maxon's model.

scholarly journals Volume ignition of laser driven fusion pellets and double layer effects

1988 ◽  
Vol 6 (2) ◽  
pp. 163-182 ◽  
Author(s):  
L. Cicchitelli ◽  
S. Eliezer ◽  
M. P. Goldsworthy ◽  
F. Green ◽  
H. Hora ◽  
...  
Keyword(s):  
Electric Fields ◽  
Inertial Confinement Fusion ◽  
Laser Pulses ◽  
Spark Ignition ◽  
State Density ◽  
Double Layers ◽  
Inertial Confinement ◽  
Confinement Fusion ◽  
Volume Compression ◽  
Volume Ignition

The realization of an ideal volume compression of laser-irradiated fusion pellets (by C. Yamanaka) opens the possibility for an alternative to spark ignition proposed for many years for inertial confinement fusion. A re-evaluation of the difficulties of the central spark ignition of laser driven pellets is given. The alternative volume compression theory, together with volume burn and volume ignition (discovered in 1977), have received less attention and are re-evaluated in view of the experimental verification by Yamanaka, generalized fusion gain formulas, and the variation of optimum temperatures derived at self-ignition. Reactor-level DT fusion with MJ-laser pulses and volume compression to 50 times the solid-state density are estimated. Dynamic electric fields and double layers at the surface and in the interior of plasmas result in new phenomena for the acceleration of thermal electrons to suprathermal electrons. Double layers also cause a surface tension which stabilizes against surface wave effects and Rayleigh–Taylor instabilities.

scholarly journals Thermodynamic and dynamical properties of dense ICF plasma

Nukleonika ◽  
2016 ◽  
Vol 61 (2) ◽  
pp. 125-129 ◽  
Author(s):  
Maratbek T. Gabdullin ◽  
Sandugash K. Kodanova ◽  
Tlekkabul S. Ramazanov ◽  
Moldir K. Issanova ◽  
Tomiris N. Ismagambetova
Keyword(s):  
Inertial Confinement Fusion ◽  
Calculated Data ◽  
Distribution Functions ◽  
Stopping Power ◽  
Inertial Confinement ◽  
Isothermal Plasma ◽  
Confinement Fusion ◽  
Quantum Mechanical Effects ◽  
Power And Energy ◽  
Theoretical Results

Abstract In present work, thermodynamic expressions were obtained through potentials that took into consideration long-range many-particle screening effects as well as short-range quantum-mechanical effects and radial distribution functions (RDFs). Stopping power of the projectile ions in dense, non-isothermal plasma was considered. One of the important values that describe the stopping power of the ions in plasma is the Coulomb logarithm. We investigated the stopping power of ions in inertial confinement fusion (ICF) plasma and other energetic characteristics of fuel. Calculations of ions energy losses in the plasma for different values of the temperature and plasma density were carried out. A comparison of the calculated data of ion stopping power and energy deposition with experimental and theoretical results of other authors was also performed.

scholarly journals Critical value of volume ignition and condition of nonequilibriem burning of DT in inertial confinement fusion

2015 ◽  
Vol 64 (4) ◽  
pp. 045205
Author(s):  
Zhao Ying-Kui ◽  
Ouyang Bei-Yao ◽  
Wen Wu ◽  
Wang Min
Keyword(s):  
Inertial Confinement Fusion ◽  
Critical Value ◽  
Inertial Confinement ◽  
Confinement Fusion ◽  
Volume Ignition

scholarly journals Volume ignition targets for heavy-ion inertial fusion

1994 ◽  
Vol 12 (4) ◽  
pp. 681-717 ◽  
Author(s):  
J.M. Martínez-Val ◽  
S. Eliezer ◽  
M. Piera
Keyword(s):  
Inertial Confinement Fusion ◽  
Heavy Ion ◽  
Inertial Fusion ◽  
Inertial Confinement ◽  
Direct Drive ◽  
Ablation Process ◽  
Confinement Fusion ◽  
Indirect Drive ◽  
Energy Gains ◽  
Volume Ignition

Inertial confinement fusion (ICF) targets can be imploded by heavy-ion beams (HIBs) in order to obtain a highly compressed fuel microsphere. The hydrodynamic efficiency of the compression can be optimized by tuning the ablation process in order to produce the total evaporation of the pusher material by the end of the implosion. Such pusherless compressions produce very highly compressed targets for relatively short confinement times. However, these times are long enough for a fusion burst to take place, and burnup fractions of 30% and higher can be obtained if the volume ignition requirements are met. Numerical simulations demonstrate that targets of 1-mg DT driven by a few MJ can yield energy gains of over 70. Although direct drive is used in these simulations, the main conclusions about volume ignition are also applicable to indirect drive.

High-gain volume ignition for inertial confinement fusion (ICF)

1994 ◽  
Author(s):  
H. Hora ◽  
S. Eliezer ◽  
J. M. Martinez-Val ◽  
G. H. Miley
Keyword(s):  
Inertial Confinement Fusion ◽  
High Gain ◽  
Inertial Confinement ◽  
Confinement Fusion ◽  
Volume Ignition

Heavy ion and fusion particle stopping power in inertial confinement fusion (abstract)

1992 ◽  
Vol 63 (10) ◽  
pp. 4846-4846
Author(s):  
C. K. Li ◽  
R. D. Petrasso
Keyword(s):  
Inertial Confinement Fusion ◽  
Heavy Ion ◽  
Stopping Power ◽  
Inertial Confinement ◽  
Confinement Fusion

scholarly journals Effects of alpha stopping power modelling on the ignition threshold in a directly-driven inertial confinement fusion capsule

2017 ◽  
Vol 71 (5) ◽  
Author(s):  
Mauro Temporal ◽  
Benoit Canaud ◽  
Witold Cayzac ◽  
Rafael Ramis ◽  
Robert L. Singleton
Keyword(s):  
Inertial Confinement Fusion ◽  
Stopping Power ◽  
Inertial Confinement ◽  
Confinement Fusion ◽  
Ignition Threshold
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