Evaluation of a power plant concept for fast ignition heavy 
ion fusion

Medin, S. A.; Churazov, M.D.; Koshkarev, D.G.; Sharkov, B.; Orlov, Yu. N.; Suslin, V.M.

doi:10.1017/s0263034602203109

Cited by 18 publications

(12 citation statements)

References 3 publications

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“…The performance of such a heavy ion fast-ignited cylindrical target has been analysed in [24][25][26]. The parameters of the assembled DT fibre, ρ DT = 100 g cm −3 , R DT = 50 µm, surrounded by a layer of compressed lead at equal pressure, have been chosen such that the fuel ρR DT = 0.5 g cm −2 is slightly above the threshold value 0.3-0.4 g cm −2 for a steady burn wave along a DT cylinder inside a metallic liner [27].…”

Section: Fast Ignition With Heavy Ionsmentioning

confidence: 99%

New developments in the theory of ICF targets, and fast ignition with heavy ions

Basko

2003

Plasma Phys. Control. Fusion

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An overview of recent progress in the theory of inertial confinement fusion (ICF) targets is presented. Work on traditional target schemes, based on the hydrodynamic mode of ignition, is reviewed only briefly, while most of the attention is devoted to the fast ignition approach. The general advantages of fast ignition are illustrated with a simple model for characteristic assembled fuel configurations. Special attention is paid to a newly proposed concept of a cylindrical reactor-size target, compressed and ignited (in the fast ignition mode) by two separate beams of very energetic (E i 0.5 GeV u −1 ) heavy ions.

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Section: Fast Ignition With Heavy Ionsmentioning

confidence: 99%

New developments in the theory of ICF targets, and fast ignition with heavy ions

Basko

2003

Plasma Phys. Control. Fusion

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“…Several new interesting ways for diagnostics occur when the dense plasma is generated by an intense ion beam, since there will be an emission of projectile and target radiation as well~Rosmej et al, 2005!. The accelerator facilities at GSI, in Darmstadt, Germany and ITEP in Moscow, Russia give already, or can give in the near future, an opportunity to realize some new proposals and thereby to investigate the behavior of matter under unique extreme conditions~Koshkarev, 2002; Medin et al, 2002;Sharkov et al, 1998;Alexeev et al, 2002;Stoewe et al, 2000;Henning, 2004;Hoffmann et al, 2005;Tahir et al, 2004!. Time resolved measurements of energy loss from an ion beam interacting with a target were suggested to be used as a diagnostic tool for line density measurement of the target Varentsov et al, 2002!. From such measurements some valuable quantitative information can be obtained about hydrodynamic motion of the heated target.…”

Section: Introductionmentioning

confidence: 99%

Gamma radiation measurements as a diagnostic tool of beam-induced dense plasmas

et al. 2005

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“…These effects were analyzed for a blanket with a liquid-film first wall of the reactor [3][4][5]. Thus, for total blanket thickness ~50 cm the fundamental frequency of the pulsations with amplitude to 50 MPa is 10-20 kHz.…”

mentioning

confidence: 99%

“…The blanket of the FIHIF reactor is cylindrical [5]. The blanket of the FIHIF reactor is cylindrical [5].…”

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confidence: 99%

Thermomechanical processes in an inertial thermonuclear fusion reactor blanket under cyclic exposure to neutron fluence

et al. 2011

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The thermomechanical processes occurring in the blanket of a heavy-ion inertial thermonuclear fusion reactor are analyzed. The heat-release density in the structural materials and the blanket coolant is calculated on the basis of prescribed characteristics of the neutron pulse from a ~1 GJ microexplosion of a target. Calculations of the nonstationary thermoelastic stress and pressure fields as well the temperature of the wall and blanket coolant are performed using simple one-dimensional models. The amplitude and frequency characteristics of the stress and pressure waves generated by the energy released in the microexplosion are obtained. The thermal relaxation processes occurring in the elements of the blanket between successive microexplosions are analyzed.The energy release in the chamber of an inertial thermonuclear fusion reactor as a result of cyclically repeating microexplosions of a target is determined by high-energy fluxes of charged particles, neutrons, and radiation. The energy distribution of a single microexplosion between these fluxes depends on the target structure, first and foremost, its mass, which in turn is determined by the method used to compress and ignite the thermonuclear fuel. The energy transferred by the neutron flux is usually 70-75% of the total energy of the microexplosion. The effect of the energy fluxes on the chamber wall is also determined by the travel distance of the ions, protons, and photons in the atmosphere and the chamber walls as well as the duration of the energy-release pulse. The travel distance of the photons and the high-energy ions is short, equal to 1-10 μm in condensed media. The travel distance of neutrons, as a rule, exceeds 10 cm. Such a significant difference of the travel distances makes it possible to study the protection of the first wall and the strength of the blanket structure independently.The present work analyzes the thermomechanical processes which occur in the chamber blanket in an inertial thermonuclear fusion reactor as a result of neutron energy release. Rapid pulsed energy release results in the appearance of variable stress fields in the structural materials. The intensity of these fields must remain below the limits which ensure a long service life [1]. The variable stresses arising in the blanket of the reactor were calculated assuming isochronous energy release, exponentially decreasing in an elastic semi-bounded medium. For a pulse of finite duration, the maximum thermal stresses depend strongly on the ratio of the duration of the energy-release pulse and the acoustic passage time in the layer of the materials with localized energy release [2]. To decrease the amplitude of the stress pulsations, this ratio must be increased.

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Evaluation of a power plant concept for fast ignition heavy ion fusion

Cited by 18 publications

References 3 publications

New developments in the theory of ICF targets, and fast ignition with heavy ions

New developments in the theory of ICF targets, and fast ignition with heavy ions

Gamma radiation measurements as a diagnostic tool of beam-induced dense plasmas

Thermomechanical processes in an inertial thermonuclear fusion reactor blanket under cyclic exposure to neutron fluence

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