• Numerical Optimization of Heat Transfer from Multiple Jets Impinging on a Moving Curved Surface for Industrial Drying Machines 

  Glasmacher, Birgit; Klepp, Georg; Chitsazan, Ali (Edmonton, AB : International Information and Engineering Technology Association, 2021)

  Jet impingements enhance the heat and mass transfer rate in industrial drying machines. The designer should optimize the design parameters of industrial drying equipment to achieve maximum heat transfer rate. The heat ...
• A numerical framework for modelling tire mechanics accounting for composite materials, large strains and frictional contact 

  Cornejo, A.; Mataix, V.; Wriggers, P.; Barbu, L.G.; Oñate, E. (Berlin ; Heidelberg : Springer, 2023)

  We present a general framework for the analysis and modelling of frictional contact involving composite materials. The study has focused on composite materials formed by a matrix of rubber and synthetic or metallic fibres, ...
• Challenges in communicating the future of high-level radioactive waste disposal: What future are we talking about?; [Herausforderungen in der Kommunikation über die Zukunft der Entsorgung hochradioaktiver Reststoffe: Über welche Zukunft sprechen wir?] 

  Berg, Margarita; Hassel, Thomas (München : oekom verlag GmbH, 2022)

  Of the three main time horizons specified in the German Repository Site Selection Act (the year 2031, 500 years after closure and one million years), the current public discourse largely neglects the “medium term”. However, ...
• Simulation of local contact conditions in the secondary shear zone in dry and wet metal cutting 

  Denkena, B.; Liu, H.C.; Pape, F.; Bergmann, B.; Poll, G.; Schenzel, J.; Ellersiek, L. (Amsterdam [u.a.] : Elsevier, 2023)

  Cutting fluids significantly influence the contact conditions in metal cutting, e.g. stresses or contact areas. Due to the limited accessibility of the chip-tool contact, the identification of contact conditions is ...
• Model-Guided Design and Optimization of CPA Perfusion Protocols for Whole Organ Cryopreservation 

  Han, Zonghu; Rao, Joseph Sushil; Ramesh, Srivasupradha; Hergesell, Jan; Namsrai, Bat-Erdene; Etheridge, Michael L.; Finger, Erik B.; Bischof, John C. (Dordrecht [u.a.] : Springer Science + Business Media B.V, 2023)

  Vitrification could enable long-term organ preservation, but only after loading high-concentration, potentially toxic cryoprotective agents (CPAs) by perfusion. In this paper, we combine a two-compartment Krogh cylinder ...
• Concept for a resource-efficient process chain for hybrid bulk components with optimized energy utilization 

  Ince, C.-V.; Blümel, R.; Raatz, A. (Amsterdam [u.a.] : Elsevier, 2023)

  A significant percentage of energy in hot forming is used to heat the components. Especially in manufacturing hybrid components, workpieces are heated in the preceding hot-joining process in addition to the heating cycles. ...
• Modeling of stresses at the cutting wedge in the interrupted cut for the design of the cutting edge microgeometry 

  Denkena, Berend; Bergmann, Benjamin; Picker, Tobias; Kraeft, Malte (Amsterdam [u.a.] : Elsevier, 2023)

  The wear behaviour of cutting tools can be significantly improved by a load-optimized design of the cutting edge microgeometry. Thereby, the knowledge of local mechanical stresses is necessary. The experimental-based ...
• Investigating frictional contact behavior for soft material robot simulations 

  Berthold, Rebecca; Burgner-Kahrs, Jessica; Wangenheim, Matthias; Kahms, Stephanie (Dordrecht [u.a.] : Springer Science + Business Media B.V, 2023)

  The ability to interact safely with the environment is known as one of the major advantages of soft robots (SRs). Due to their low material stiffness, these continuously deformable robots offer inherent flexibility. These ...
• Pressing and Sintering of Titanium Aluminide Powder after Ball Milling in Silane-Doped Atmosphere 

  Behrens, Bernd-Arno; Brunotte, Kai; Peddinghaus, Julius; Ursinus, Jonathan; Döring, Sebastian; Maus-Friedrichs, Wolfgang; Gustus, René; Szafarska, Maik (Basel : MDPI, 2023)

  Due to the high specific surface area of titanium aluminide powders, significant and unavoidable surface oxidation takes place during processing. The resulting oxides disrupt the conventional powder metallurgical process ...
• Modeling of heat transfer in tool grinding for multiscale simulations 

  Wiesener, F.; Bergmann, B.; Wichmann, M.; Eden, M.; Freudenberg, T.; Schmidt, A. (Amsterdam [u.a.] : Elsevier, 2023)

  Tool grinding is a fundamental process step when manufacturing cylindrical cemented carbide tools. A deeper understanding of the relationship between heat generation, heat transfer and fluid dynamics is essential to optimize ...
• Evaluation of polymer-based eccentric FBG bending sensor for humidity, strain, temperature and torsion 

  Leffers, Lennart; Roth, Bernhard; Overmeyer, Ludger (Amsterdam [u.a.] : Elsevier Science, 2023)

  We analyse and evaluate the sensitivity and robustness of an eccentric fiber Bragg grating sensor micro-structured into a polymer optical fiber under different relative humidity, temperature, strain and torsion conditions. ...
• Locally resolved stress measurement in the ultra-hard composites polycrystalline diamond and polycrystalline cubic boron nitride 

  Breidenstein, Bernd; Vogel, Nils (Berlin ; Heidelberg : Springer, 2024)

  Cutting tools made of the ultra-hard composites polycrystalline diamond and polycrystalline boron nitride are being used in more and more sectors of machining. Due to the laborious preparation processes such as grinding, ...
• Review of current best-practices in machinability evaluation and understanding for improving machining performance 

  Liao, Zhirong; Schoop, Julius M.; Saelzer, Jannis; Bergmann, Benjamin; Priarone, Paolo C.; Splettstößer, Antonia; Bedekar, Vikram M.; Zanger, Frederik; Kaynak, Yusuf (Amsterdam [u.a.] : Elsevier, 2024)

  Machinability is a generalized framework that attempts to quantify the response of a workpiece material to mechanical cutting, which has been developed as one of the key factors that drive the final selection of cutting ...
• Cooling dynamics of droplets exposed to solid surface freezing and vitrification 

  Liu, Dejia; Oldenhof, Harriëtte; Luo, Xing; Braun, Tobias; Sieme, Harald; Wolkers, Willem F. (Amsterdam [u.a.] : Elsevier, 2024)

  Solid surface freezing or vitrification (SSF/SSV) can be done by depositing droplets of a sample, e.g., cells in a preservation solution, onto a pre-cooled metal surface. It is used to achieve higher cooling rates and ...
• Environmental impacts of different single-use and multi-use packaging systems for fresh fish export 

  Hilmarsdóttir, Guorun Svana; Margeirsson, Bjorn; Spierling, Sebastian; Ögmundarson, Olafur (Amsterdam [u.a.] : Elsevier Science, 2024)

  The production and pollution of plastic present a significant threat to global ecosystems, where annual plastic emissions in aquatic ecosystems are projected to triple between 2020 and 2030. Currently, plastics are widely ...
• Transmission und Reflexion von Schallmoden durch Schaufelgitter 

  Mumcu, Akif (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2024)

  Für die Entwicklung akustisch optimierter Turbomaschinen ist ein verbessertes Verständnis über die physikalischen Mechanismen des Schalltransports wichtig. Die tonalen Lärmquellen werden maßgeblich durch die Rotor-Stat ...
• Reducing chatter vibrations using NC and FE simulation - Vibrations in aerospace industry 

  Surmann, Tobias; Denkena, Berend; Friebe, Sven; Schmidt, Alfred; Adili, Maimaiti (Düsseldorf : VDI Fachmedien, 2024)

  Thin-walled structural components often tend to chatter vibrations due to their compliancy. Modal analyses can be used to calculate stability maps and avoid chatter vibrations, but this is time-consuming. ZeTeM Bremen and ...
• Qualification of Austenitic Stainless Steels for the Development of Load-Sensitive Material Sensors 

  Gansel, René; Quanz, Markus; Lohrengel, Armin; Maier, Hans Jürgen; Barton, Sebastian (New York, NY : Springer, 2024)

  To detect mechanical overloads on the component directly in operation, a metastable material can be used as a load-sensitive sensor when combined with an eddy current testing system. In order to find a suitable metastable ...
• Life Cycle Assessment in a Nutshell—Best Practices and Status Quo for the Plastic Sector 

  Mudersbach, Marina; Jürgens, Meret; Pohler, Merlin; Spierling, Sebastian; Venkatachalam, Venkateshwaran; Endres, Hans‐Josef; Barner, Leonie (Weinheim : Wiley-VCH, 2023)

  Life cycle assessment (LCA) is an internationally standardized methodology to evaluate the potential environmental impacts of products and technologies and assists in lowering their negative environmental consequences. So ...
• Lateness in production systems - In a nutshell: How to determine the causes of lateness at work systems? 

  Mütze, Alexander; Hiller, Tobias; Nyhuis, Peter ([Amsterdam] : Elsevier ScienceDirect, 2024)

  Adherence to customer due dates is the yardstick for the performance of manufacturing companies. In the era of same-day delivery, consumers expect reliable delivery of ordered goods and short delivery times. Also, in the ...

View more