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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

All-Metal water target with spherical window

Gelbart, W., Johnson, R. R., Abeysekera, B., Matei, L., Niculae, D. 19 May 2015 (has links) (PDF)
Introduction The use of a prefabricated target window assembly greatly simplifies the window installation. The window module is sealed by metal knife-edges, thus eliminating any elestomers in the target construction. Spherical Havar window offers high strength at reduced thickness and does not require helium cooling. The target body is of platinum-plated silver. The target assembly includes an integral beam collimator and a four-sector mask.
2

All-Metal water target with spherical window

Gelbart, W., Johnson, R. R., Abeysekera, B., Matei, L., Niculae, D. January 2015 (has links)
Introduction The use of a prefabricated target window assembly greatly simplifies the window installation. The window module is sealed by metal knife-edges, thus eliminating any elestomers in the target construction. Spherical Havar window offers high strength at reduced thickness and does not require helium cooling. The target body is of platinum-plated silver. The target assembly includes an integral beam collimator and a four-sector mask.
3

Innovative Bauteilgestaltung mit inneren Strukturen

Mahn, Uwe, Horn, Matthias, Arndt, Jan 24 May 2023 (has links)
Die neuen Fertigungsmöglichkeiten durch die Additive Fertigung ermöglicht es nicht nur topologisch neuartige Bauteile herzustellen, sondern auch Bauteile mit inneren Strukturen zu versehen, die der Bauteilbelastung angepasst sind oder anderen Funktionen Freiräume bieten. Ein Ansatz ist es durchlässige innere Strukturen, z. B. Gitterstrukturen (auch als Lattice Strukturen bezeichnet) einzusetzen und durch die damit geschaffenen großen inneren Flächen eine effiziente Bauteilkühlung zu realisieren. Anhand eines einfachen Beispiels wird durch Simulation und Experiment die Wirkung einer solchen Kühlung gezeigt. Als weiteres Anwendungsbeispiel wird der Einsatz verschiedener innere Strukturen zur festigkeitsgerechten Gestaltung gewichtsoptimierter Bauteile vorgestellt. In beiden Fällen wird die Gestaltung mit Hilfe von FE-Modellen experimentell begleitet. / The new manufacturing possibilities offered by additive manufacturing not only allows to produce topologically novel components, but also enables to provide components with internal structures that are adapted to the component load or offer new possibilities for other functions. One approach is to use permeable internal structures, e. g. lattice structures, to realize efficient component cooling through the large internal surfaces created thereby. The effect of such a cooling is demonstrated by simulations and experiments using a simple example. As a further application example, the use of various internal structures for the strength-oriented design of weight-optimized components will be presented. In both cases the design is experimentally accompanied by FE models.

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