Open Access

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2016-09-30
12:14
OpenAccess [FZJ-2016-05089] Journal Article
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Normal-metal quasiparticle traps for superconducting qubits
The presence of quasiparticles in superconducting qubits emerges as an intrinsic constraint on their coherence. While it is difficult to prevent the generation of quasiparticles, keeping them away from active elements of the qubit provides a viable way of improving the device performance. [...]
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2016-09-30
12:03
OpenAccess [FZJ-2016-05088] Report

Über den Einfluss der Anharmonizität auf die thermische öntgenstreuung an Kristallen
[Juel-0037-RW]
Berichte der Kernforschungsanlage Jülich 37, p. 569-600 (1962)
Work already published under the above topic by W. LUDWIG and the author$^{1}$ was limited to crystal temperatures above the Debye temperature, as it treated the lattice vibrations by classical statistics. [...]
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2016-09-30
11:53
OpenAccess [FZJ-2016-05087] Report
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Study of surfaces and surface layers on high temperature materials after short time thermal loads
[Juel-2024]
Berichte der Kernforschungsanlage Jülich 2024, 70 p. (1985)
Being part of the plasma-wall interaction during TOKAMAK operation, erosion- and redeposition processes of First Wall materials substantially influence plasma parameters as well as the properties of the First Wall. An important redeposition process of eroded material isthe formation of thin films by atomic condensation. [...]
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2016-09-30
11:33
OpenAccess [FZJ-2016-05086] Report
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Wasserstoff- und Tritiumpermeation im HTR-Programm : Ergebnisse für den Werkstoff Hastelloy X
[Juel-2023]
Berichte der Kernforschungsanlage Jülich 2023, 81 p. (1985)
It is reported about important results for practical application of hydrogen/tritium permeation through the alloy Hastelloy X. Permeation data dependent on temperature and pressure have been generated and are presented as well for bright as oxide coated alloy specimen. [...]
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2016-09-30
10:55
OpenAccess [FZJ-2016-05081] Report
; ; ; et al
Untersuchungen zum Kriechratchetingverhalten von Rohrproben
[Juel-2019]
Berichte der Kernforschungsanlage Jülich 2019, VI, 157 p. (1985)
By superimposing cyclic secondary stresses $\sigma$$_{T}$ additionally to a constant primary stress $\sigma$$_ {p}$, significant enhanced creep rates of structural components at very high temperatures may be the result. This effect is known as "Creep Ratcheting" or "Incremental Growth". [...]
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2016-09-30
10:29
OpenAccess [FZJ-2016-05079] Report
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Anwendung der finite Elemente Methode auf Probleme mit Wärmestrahlungsaustausch
[Juel-2013]
Berichte der Kernforschungsanlage Jülich 2013, 28 p. (1985)
The calculation of temperature distributions for systems exchanging heat radiation requires in a first step the determination of the heat fluxes caused by radiation at its surfaces. In this paper the radiation transport equation is developed and it is shown, that it can be derived from a variational principle. [...]
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2016-09-30
10:22
OpenAccess [FZJ-2016-05077] Conference Presentation (Other)
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Self-passivating smart tungsten alloys as an intrinsic safety element for fusion power plants
First IAEA Technical Meeting (TM) on the Safety, Design and Technology of Fusion Power Plants, Meeting locationVienna, Austria, 3 May 2016 - 5 May 20162016-05-032016-05-05
(2016)
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2016-09-30
10:19
OpenAccess [FZJ-2016-05076] Report

Rauschthermometrie in Kernreaktoren : ein Beitrag zur Signalübertragung breitbandiger Spektren in der Rauschthermometrie
[Juel-2011]
Berichte der Kernforschungsanlage Jülich 2011, 175 p. (1985)
When applying the noise thermometer in industrial facilities considerable line lengths are occasionally required due to the positioning of the measuring points in the facility (e. g. [...]
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2016-09-30
09:59
OpenAccess [FZJ-2016-05073] Report

Die Verfestigung von angereichertem Tritium aus der Wiederaufarbeitung
[Juel-2010]
Berichte der Kernforschungsanlage Jülich 2010, 168 p. (1985)
Bei der Wiederaufarbeitung von Brennelementen aus Leichtwasserreaktoren fällt tritiumhaltiges Abwasser an. Vorliegende Studienzeigen, daß eine Anreicherung des Tritiums aus dem Abwasser zum Beispiel durch Elektrolyse und katalytischen Austausch möglich ist.In dieser Arbeit werden Möglichkeiten zur Fixierung tritiumhaltigen Wasserstoffgases als Hydrid/Tritid in schwammförmigem Zirkonium oder Titan im Hinblick auf eine untertägige Endlagerung untersucht. [...]
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2016-09-30
09:50
OpenAccess [FZJ-2016-05072] Report

Theoretische und experimentelle Beschreibung des Wärmeaustauschs zwischen dem nicht zwangsgekühlten Core und der Corestruktur beim Hochtemperaturreaktor
[Juel-2009]
Berichte der Kernforschungsanlage Jülich 2009, 125 p. (1985)
The presented work deals with the heat transport by natural convection in the high temperature reactor as well as in the closed primary circuit. First the mechanism of the natural heat- and impulse-transport in pebble beds is presented in model. [...]
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