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Cited by 58 publications
(23 citation statements)
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“…The model result can be approximated for amplifications ≤ 10 with the simple formulaŶ amp ≈ exp(χ 1.2 α ). When compared to the results of Spears and Lindl [19] for the NIF indirect-drive ignition target (M DT ≈ 0.18 mg), the yield amplification curves are in good agreement with the data points from the simulation database of that specific target. In Ref.…”
Section: 9supporting
confidence: 62%
See 1 more Smart Citation
“…The model result can be approximated for amplifications ≤ 10 with the simple formulaŶ amp ≈ exp(χ 1.2 α ). When compared to the results of Spears and Lindl [19] for the NIF indirect-drive ignition target (M DT ≈ 0.18 mg), the yield amplification curves are in good agreement with the data points from the simulation database of that specific target. In Ref.…”
Section: 9supporting
confidence: 62%
“…In Ref. [19], the Lawson parameter is computed from P τ /[P τ ] ign (related to χ as in [7]) with alpha deposition. In this paper, the analysis is carried out in dimensionless form and the results are applicable to all targets, large or small, direct-drive or indirect-drive as long as the ignition parameter χ α is calculated using Eq.…”
Section: 9mentioning
confidence: 99%
“…Here we use the expression of Refs. [8,14,15] that is also related to the Livermore experimental ignition threshold factor (ITFx) [7,16,17]: where ρR is in g/cm 2 , the no-α neutron yield is in 10 16 , and the stagnating DT mass at bang time is in milligrams. The latter is often approximated with 1/2 of the unablated DT mass [8,15] …”
Section: The Higher Temperatures (Tmentioning
confidence: 99%
“…These HF implosions have achieved record fusion yields of nearly 10 16 neutrons or about 26 kJ of fusion energy [6], demonstrating significant levels of alpha heating. Based on analytic models and detailed numerical simulations [7,8], it was estimated that alpha-particle heating has led to a ∼2-2.5× enhancement of the fusion yield [6,8]. In the absence of alpha heating, the fusion yield from hydrodynamic compression alone would have been ∼ 4-5×10 15 .…”
mentioning
confidence: 99%
“…The approach to ICF ignition at the NIF during the 2009-2012 National Ignition Campaign (NIC) employed high convergence (CR>30) implosions using capsules containing a layer of DT ice [2]. The NIC experiments using the ice layer capsules with high CR implosions failed to achieve ignition, producing thermonuclear energy outputs that were 2-3 orders of magnitude below expectations based upon predictions of 1D radiationhydrodynamic code simulations [3]. Although high CR is desirable in an idealized 1D sense, it amplifies the deleterious effects of realistic features; including X ray drive asymmetries in the hohlraum, growth of instabilities seeded by capsule surface roughness, capsule defects, and the capsule fill tube and support hardware [4].…”
mentioning
confidence: 99%