Implosion Characteristics of Radiation-Driven High Gain Laser Fusion

Chang, Tieqiang; He, X. T.; Yu, M. Y.

doi:10.1007/978-1-4615-3804-2_40

Cited by 2 publications

(4 citation statements)

References 2 publications

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“…where P e is the electron pressure of plasma, η is the plasma electrical resistivity. [9] As can be seen in Eq. ( 4), the selfconsistent electric field is related to the hot electron kinetic transport and background plasma profile.…”

Section: Transport Model Of Fast Electronmentioning

confidence: 92%

“…For the hot electron transport module, equations ( 1) and ( 2) are solved by using a multigroup approach. [9,10] Actually, Ψ 0 and vΨ 1 represent the number density and corresponding flux for given energy ε group, which are discretized in a staggered grid. [15] Then the advective terms in space and energy are differenced in a conservative form.…”

Section: Transport Model Of Fast Electronmentioning

confidence: 99%

“…In addition, the compensation return current carried by the background electrons is related to both hot electron current and hydrodynamic profile, which needs to maintain the charge and current neutrality of the plasma. The description of hot electron transport needs kinetic model, such as Vlasov-Fokker-Planck (VFP) equation, particle in cell (PIC) or Monte-Carlo method, [8][9][10][11] which usually suffer timeconsuming computations or numerical complexity. A reduced kinetic model of hot electron transport has been reported in Ref.…”

Section: Introductionmentioning

confidence: 99%

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Simulations of hot electron transport in radiation-ablated plasma

et al. 2023

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The transport of hot electrons in inertial confinement fusion (ICF) is integrated problem due to the coupling of hydrodynamic evolution. Here a hot electron transport code is developed and coupled to the radiation hydrodynamic code MULTI1D. Using the code, the hot electron beam slowing-down and ablation processes are simulated. The ablation pressure scaling law of hot electron beams is confirmed in our simulations. We attempt to simulate the hot electron transport in the condition of indirect drive ICF, where the spatial profile of hot electron energy deposition is presented around the compressed region. It is shown the hot electron can prominently increase the total ablation pressure in the early phase of radiation-ablated plasmas. So, our studies suggest a potential driven asymmetry mechanism may occur due to irradiation of asymmetry energetic hot electron beam. The possible degradation from the hot electron transport and preheating is also discussed.

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Section: Transport Model Of Fast Electronmentioning

confidence: 92%

Section: Transport Model Of Fast Electronmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Simulations of hot electron transport in radiation-ablated plasma

et al. 2023

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“…Plasma heats the conduction region via electron heat conduction. In the 2D case, the electron heat conduction model [39,40] is expressed as…”

Section: Analytical Model and Applicationmentioning

confidence: 99%

Analytical model for Rayleigh-Taylor instability in conical target conduction region

Zhu¹,

Liu²,

Li³

et al. 2022

Chinese Phys. B

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This work built an isobaric steady-state fluid analytical-physical model of the plasma conduction region in the conical target. The hydrodynamic instability in the double-cone ignition scheme [doi:10.1098/rsta.2020.0015] for inertial confinement fusion proposed by J. Zhang is studied with the built model. With this idealized model, the relevant parameters, such as density, temperature, length, etc., of the plasma in the conduction region of the conical target under long-pulse conditions are given. The solution of the proposed analytical model dovetails with the trend of the numerical simulation. The model and results in this paper are beneficial for discussing how to attenuate Rayleigh-Taylor instability (RTI) in inertial confinement fusion processes with conical and spherical targets.

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Implosion Characteristics of Radiation-Driven High Gain Laser Fusion

Cited by 2 publications

References 2 publications

Simulations of hot electron transport in radiation-ablated plasma

Simulations of hot electron transport in radiation-ablated plasma

Analytical model for Rayleigh-Taylor instability in conical target conduction region

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