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Inhaltsverzeichnis
1. Die Haftung des GmbH-Geschäftsführers in der Insolvenz - Grundsätze
und Modifikationen infolge der Covid-19 Pandemie
– Franziska Tings 3-61
2. Disquotale Gewinnausschüttung in der Organschaft – Die Neuregelung des
§ 14 Abs. 2 KStG und die Auslegung durch die Finanzverwaltung
– Julian Lehner 62-149
3. Auswirkungen des Mauracher Entwurfs auf die Gesellschaft bürgerlichen
Rechts – Neuerfindung oder bloße Korrektur des
Personengesellschaftsrechts?
– Elena Hoß 150-209
4. Befristung von Arbeitsverhältnissen - Rechtliche Rahmenbedingungen und
arbeitsmarktpolitische Chancen und Risiken
– Franziska Gotzens 210-270
5. Die Rolle der psychischen Gesundheit am Arbeitsplatz Entwicklung
exemplarischer Handlungsempfehlungen für den ganzheitlichen Umgang
mit psychischen Belastungen im Homeoffice
– Marie-Sophie Creutz 271-346
6. Tokenisierung von illiquiden Vermögenswerten – Wie Blockchain die
Immobilienwirtschaft verändern kann
– Nils Christ 347-404
This paper presents the laser-based powder bed fusion (L-PBF) using various glass powders (borosilicate and quartz glass). Compared to metals, these require adapted process strategies. First, the glass powders were characterized with regard to their material properties and their processability in the powder bed. This was followed by investigations of the melting behavior of the glass powders with different laser wavelengths (10.6 µm, 1070 nm). In particular, the experimental setup of a CO2 laser was adapted for the processing of glass powder. An experimental setup with integrated coaxial temperature measurement/control and an inductively heatable build platform was created. This allowed the L-PBF process to be carried out at the transformation temperature of the glasses. Furthermore, the component’s material quality was analyzed on three-dimensional test specimen with regard to porosity, roughness, density and geometrical accuracy in order to evaluate the developed L-PBF parameters and to open up possible applications.
Previous studies optimized the dimensions of coaxial heat exchangers using constant mass fow rates as a boundary condition. They show a thermal optimal circular ring width of nearly zero. Hydraulically optimal is an inner to outer pipe radius ratio of 0.65 for turbulent and 0.68 for laminar fow types. In contrast, in this study, fow conditions in the circular ring are kept constant (a set of fxed Reynolds numbers) during optimization. This approach ensures fxed fow conditions and prevents inappropriately high or low mass fow rates. The optimization is carried out for three objectives: Maximum energy gain, minimum hydraulic efort and eventually optimum net-exergy balance. The optimization changes the inner pipe radius and mass fow rate but not the Reynolds number of the circular ring. The thermal calculations base on Hellström’s borehole resistance and the hydraulic optimization on individually calculated linear loss of head coefcients. Increasing the inner pipe radius results in decreased hydraulic losses in the inner pipe but increased losses in the circular ring. The net-exergy diference is a key performance indicator and combines thermal and hydraulic calculations. It is the difference between thermal exergy fux and hydraulic efort. The Reynolds number in the circular ring is instead of the mass fow rate constant during all optimizations. The result from a thermal perspective is an optimal width of the circular ring of nearly zero. The hydraulically optimal inner pipe radius is 54% of the outer pipe radius for laminar fow and 60% for turbulent fow scenarios. Net-exergetic optimization shows a predominant infuence of hydraulic losses, especially for small temperature gains. The exact result depends on the earth’s thermal properties and the fow type. Conclusively, coaxial geothermal probes’ design should focus on the hydraulic optimum and take the thermal optimum as a secondary criterion due to the dominating hydraulics.
Digital Shadows as the aggregation, linkage and abstraction of data relating to physical objects are a central vision for the future of production. However, the majority of current research takes a technocentric approach, in which the human actors in production play a minor role. Here, the authors present an alternative anthropocentric perspective that highlights the potential and main challenges of extending the concept of Digital Shadows to humans. Following future research methodology, three prospections that illustrate use cases for Human Digital Shadows across organizational and hierarchical levels are developed: human-robot collaboration for manual work, decision support and work organization, as well as human resource management. Potentials and challenges are identified using separate SWOT analyses for the three prospections and common themes are emphasized in a concluding discussion.
Bei "Finding Love - Ein animierter Kurzfilm" handelt es sich um einen 2D-Animationsshort. Er erzählt die Geschichte von zwei jungen Männern, welche beide ähnliche Trauer erfahren mussten und sich gegenseitig wieder zurück auf die Beine helfen. Das Ziel dieser Arbeit ist es, ohne Worte und vor allem mit Bildgewalt bestimmte Emotionen zu vermitteln.
Der Eigeninhalt der Arbeit umfasst jeden Schritt der Produktion eines animierten Kurzfilms. Dazu gehören Konzeptzeichnungen, Storyboard, Hintergründe, Animation, Cleanup und Vertonung. Besonderes Augenmerk wird bei der Produktion auf die Animation gelegt, insbesondere durch die Komplexität der animierten Charaktere. Letztendlich wird eine herzerwärmende, doch bittersüße und traurige Geschichte erzählt, welche den Zuschauer tief berührt.