Fusion microexplosions, exotic fusion fuels, direct conversion: advanced technology options for CTR

Weaver, Thomas; Nuckolls, J.; Wood, Lowell

doi:10.2172/4324790

Cited by 4 publications

(10 citation statements)

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“…The fusion reaction of hydrogen (protons) with 11 B (HB11) initially did not at all show primary neutron generation [2] while further any side reaction produced less tolerable radioactivity per produced energy [3] . This takes into account the extreme non-equilibrium conditions.…”

Section: Introductionmentioning

confidence: 99%

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Avalanche boron fusion by laser picosecond block ignition with magnetic trapping for clean and economic reactor

Hora

Korn²,

Eliezer

et al. 2016

High Pow Laser Sci Eng

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(2015)) for the combination of the non-thermal block ignition using ultrahigh intensity laser pulses of picoseconds duration. The ultrahigh acceleration above 10 20 cm s −2 for plasma blocks was theoretically and numerically predicted since 1978 (Hora, Physics of Laser Driven Plasmas (Wiley, 1981), pp. 178 and 179) and measured (Sauerbrey, Phys. Plasmas 3, 4712 (1996)) in exact agreement (Hora et al., Phys. Plasmas 14, 072701 (2007)) when the dominating force was overcoming thermal processes. This is based on Maxwell's stress tensor by the dielectric properties of plasma leading to the nonlinear (ponderomotive) force f NL resulting in ultra-fast expanding plasma blocks by a dielectric explosion. Combining this with measured ultrahigh magnetic fields and the avalanche process opens an option for an environmentally absolute clean and economic boron fusion power reactor. This is supported also by other experiments with very high HB11 reactions under different conditions (Labaune et al., Nature Commun. 4, 2506).

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Section: Introductionmentioning

confidence: 99%

“…This takes into account the extreme non-equilibrium conditions. The energy generated by the HB11 reaction [3] was measured even before the DT fusion reaction was discovered. It was early realized that the HB11 reaction is extremely more difficult than DT fusion.…”

Section: Introductionmentioning

confidence: 99%

Avalanche boron fusion by laser picosecond block ignition with magnetic trapping for clean and economic reactor

Hora

Korn²,

Eliezer

et al. 2016

High Pow Laser Sci Eng

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“…The attendant problems of reactor wall deterioration, of neutron-activated radioactive waste disposal, and of efficiently converting neutron-borne fusion energy ("80% for DT) to electricity have proved quite challenging and are presently being vigorously attacked. 24 J - 243 An alternate approach to these problems, how ever, is to seek "exotic" fusion-fuel systems that would not be subject to such difficulties. Ideally, such a fuel system would involve no neutron-or radionuclide-producing reactions, would have cheap and inexhaustibly available reactants, would produce most of its energy as charged particles, and would have a sufficiently high energy-generation rate to be usable in projected laser fusion or other CTR systems.…”

Section: Mmentioning

confidence: 99%

Laser-fusion program. Semiannual report, January--June 1973

Sussman¹

1973

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DJSTRIBUTfON OF THIS DOCUMENT IS UNLIMITED NOTICE "Ihia report wwpapered«an account of work sponsoredby Ik* IMNd SUM Gowrnmtnl. Neither lk« United States Mr iN* United Stain Atomic Energy Cbrnwhaiun, nor my of Ihcir eMBtayeet. itor any of their contractor*. tobcOMracton, or their emelaym. makes any warranty. e*pre» or Implied, or awuntes anyhHNabWiyornnpo>'.' or utefuineet of any information, apparalut, product sir proccs* dkxkMtd, or repmentt thM itt we wouM Ml infringe primelyowned rights.**

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“…A comprehensive search for alternative fusion reactions which are neutron-free was performed by Weaver et al [ 1 ]. The authors found that the most promising reaction is p+B 11 -• 3 He 4 + Q (8.68 MeV) and suggested that the pB 11 advanced fuel might be a good candidate for a fusion reactor.…”

Section: Introductionmentioning

confidence: 99%

“…Later, Weaver et al [2] pointed out various modes of operation for such a reactor. They indicated that the most promising operation mode would be that in which most bremsstrahlung photons are re-absorbed within the burning plasma.…”

Section: Introductionmentioning

confidence: 99%

On the potentiality of the proton-boron fuel for inertially confined fusion

Levush

Cuperman

1982

Nucl. Fusion

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Self-consistent time-dependent thermonuclear burn calculations were performed in order to investigate the potentiality of the proton-boron fuel for inertial confinement fusion. The results were compared with the approximate ones obtained by maximization of the ratio of thermonuclear energy to bremsstrahlung loss energy without consideration of the change in the ion and electron temperatures as well as of the change in the boron and proton concentrations caused by the burning process. It was found that for the initial conditions used, the simple approach represents an overestimate and that, in fact, the ratio of thermonuclear energy to bremsstrahlung losses is close to but smaller than unity. Thus, the question of ignition of pB11 in inertial confinement fusion remains open.

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Fusion microexplosions, exotic fusion fuels, direct conversion: advanced technology options for CTR

Abstract: This isUCID -16309

Cited by 4 publications

References 0 publications

Avalanche boron fusion by laser picosecond block ignition with magnetic trapping for clean and economic reactor

Avalanche boron fusion by laser picosecond block ignition with magnetic trapping for clean and economic reactor

Laser-fusion program. Semiannual report, January--June 1973

On the potentiality of the proton-boron fuel for inertially confined fusion

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