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Results 1 - 10
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95
Revised scaling equation for the prediction of tritium retention in beryllium co-deposited layers
"... Abstract. The prediction of tritium retention in ITER relies on the extrapolation from present data. An empirical equation was proposed in (De Temmerman G. et al 2008 Nucl. Fusion 48 075008) to account for the influence of the beryllium deposition rate, the substrate temperature and the average e ..."
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Abstract. The prediction of tritium retention in ITER relies on the extrapolation from present data. An empirical equation was proposed in (De Temmerman G. et al 2008 Nucl. Fusion 48 075008) to account for the influence of the beryllium deposition rate, the substrate temperature and the average
LENR Research Using Co-Deposition
- Proc. 14th Int. Conf. on Condensed Matter Nuclear Science
"... The Pd/D co-deposition process was developed by Stan Szpak at the Naval Laboratory in San Diego as an alternative means of initiating LENR. Besides heat, other nuclear products that have been measured using Pd/D co-deposition include tritium and the emission of γ- and X-rays, neutrons, and energetic ..."
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The Pd/D co-deposition process was developed by Stan Szpak at the Naval Laboratory in San Diego as an alternative means of initiating LENR. Besides heat, other nuclear products that have been measured using Pd/D co-deposition include tritium and the emission of γ- and X-rays, neutrons
NUCLEAR AND THERMAL EVENTS ASSOCIATED WITH Pd + D CODEPOSITION
"... In the Pd+D codeposition process, palladium is electrodeposited in the presence of evolving deuterium. This process favors the initiation and propagation of nuclear and thermal events through a rapid absorption of deuterium to yield high D/Pd atomic ratios. This process results in the formation of n ..."
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In the Pd+D codeposition process, palladium is electrodeposited in the presence of evolving deuterium. This process favors the initiation and propagation of nuclear and thermal events through a rapid absorption of deuterium to yield high D/Pd atomic ratios. This process results in the formation
Pellet Fuelling and ELMy H-mode Physics in JET The JET Team 1, prepared by L.D. Horton 1) JET Joint Undertaking, Abingdon, U.K.
"... Abstract. As the reference operating regime for ITER, investigations of the ELMy H-mode have received high priority in the JET experimental programme. Recent experiments have concentrated in particular on operation simultaneously at high density and high confinement using high field side (HFS) pelle ..."
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which place stringent limits on divertor power handling. Deuterium and tritium codeposition profiles are measured to be strongly in/out asymmetric. Successful modelling of these profiles requires the inclusion of the (measured) scrape-off layer flows and of the production in the divertor of hydrocarbon
In-vessel tritium retention and removal in ITER
"... Tritium retention inside the vacuum vessel has emerged as a potentially serious constraint in the operation of the International Thermonuclear Experimental Reactor (ITER). In this paper we review recent tokamak and laboratory data on hydrogen, deuterium and tritium retention for materials and condit ..."
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findings and show that codeposition of tritium occurs on the divertor surfaces primarily with carbon eroded from a limited area of the divertor near the strike zones. This issue remains an area of serious concern for ITER. The calculated codeposition rates for ITER are relatively high and the in
Improving WCET by applying a WC code-positioning optimization
- ACM Transactions on Architecture and Code Optimization
, 2005
"... Applications in embedded systems often need to meet specified timing constraints. It is advantageous to not only calculate the Worst-Case Execution Time (WCET) of an application, but to also perform transformations which reduce the WCET since an application with a lower WCET will be less likely to v ..."
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Cited by 2 (0 self)
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jumps and taken conditional branches that occur. Traditional code positioning algorithms use profile data to find the frequently executed edges between basic blocks, then minimize the transfers of control along these edges to reduce the Average Case Execution Time (ACET). This paper introduces a WCET
1 EX/P4-4 Issues Associated with Codeposition of Deuterium with ITER Materials Abstract:
"... Codeposition of fuel species with the various plasma-facing materials present in ITER is expected to be the primary source of tritium accumulation within the vacuum vessel. In this paper, the levels of retention in codeposited layers of each of the three ITER materials (C, Be and W) are compared. Sc ..."
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Codeposition of fuel species with the various plasma-facing materials present in ITER is expected to be the primary source of tritium accumulation within the vacuum vessel. In this paper, the levels of retention in codeposited layers of each of the three ITER materials (C, Be and W) are compared
SIMULATIONS OF DEUTERIUM-TRITIUM EXPERIMENTS IN TFTR
"... ABSTRACT. A transport code (TRANSP) is used to simulate future deuterium-tritium (DT) experiments in TFTR. The simulations are derived from 14 TFTR DD discharges, and the modelling of one supershot is discussed in detail to indicate the degree of accuracy of the TRANSP modelling. Fusion energy yield ..."
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ABSTRACT. A transport code (TRANSP) is used to simulate future deuterium-tritium (DT) experiments in TFTR. The simulations are derived from 14 TFTR DD discharges, and the modelling of one supershot is discussed in detail to indicate the degree of accuracy of the TRANSP modelling. Fusion energy
SHORT COMMUNICATION Triple tracks in CR-39 as the result of Pd–D Co-deposition: evidence of energetic neutrons
"... Abstract Since the announcement by Fleischmann and Pons that the excess enthalpy generated in the negatively polarized Pd–D-D2O system was attributable to nuclear reactions occurring inside the Pd lattice, there have been reports of other manifestations of nuclear activities in this system. In parti ..."
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. In particular, there have been reports of tritium and helium-4 production; emission of energetic particles, gamma or X-rays, and neutrons; as well as the transmu-tation of elements. In this communication, the results of Pd–D co-deposition experiments conducted with the cathode in close contact with CR-39, a
1 EX/P4-8 Hydrogen Concentration of Co-deposited Carbon Films Produced in the Vicinity of Local Island Divertor in Large Helical Device
"... Abstract. It is quite important to evaluate hydrogen concentration of co-deposited carbon film/dust to estimate in-vessel tritium inventory in ITER. The co-deposited carbon films were prepared at the wall of pumping duct in Local Island Divertor experiments of LHD. The hydrogen concentration of the ..."
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Abstract. It is quite important to evaluate hydrogen concentration of co-deposited carbon film/dust to estimate in-vessel tritium inventory in ITER. The co-deposited carbon films were prepared at the wall of pumping duct in Local Island Divertor experiments of LHD. The hydrogen concentration
Results 1 - 10
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95
