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Tobias Graf, Robin Fonk, Christiane Bauer, Josef Kallo and Caroline Willich
The climate impact of aviation can be reduced using powertrains based on hydrogen fuel cells and batteries. Combining both technologies in a direct-hybrid without a DC/DC converter is a promising approach for light-weight systems. Depending on the power ...
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Robin Fonk, Tobias Graf, Sven Paeßler, Christiane Bauer, Josef Kallo and Caroline Willich
Hybrid electric aircraft with a powertrain based on fuel cells and batteries can reduce climate-active emissions in aviation. In a direct hybrid powertrain, the fuel cell and the battery are connected in parallel, without a DC/DC converter balancing thei...
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Tuong Vi Tran, Johannes Buckel, Philipp Maurischat, Handuo Tang, Zhengliang Yu, Andreas Hördt, Georg Guggenberger, Fan Zhang, Antje Schwalb and Thomas Graf
Groundwater is the most unexplored element of the hydrologic cycle on the Tibetan Plateau (TP) due to harsh climate conditions. This study aims at delineating and characterizing the unexplored Zhanongtang?Ganmanong aquifer, situated in the Zhagu subcatch...
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Christian Hagenlocher, Jannik Lind, Rudolf Weber and Thomas Graf
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Alexander Heilmeier, André Thomaser, Michael Graf and Johannes Betz
In circuit motorsport, race strategy helps to finish the race in the best possible position by optimally determining the pit stops. Depending on the racing series, pit stops are needed to replace worn-out tires, refuel the car, change drivers, or repair ...
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Marius Graf, Matthias Kuntz, Hermann Autenrieth and Ralf Müller
The results of this work will be used to develop simulation models that will be applied in the early development stages of highly stressed components. A further aim is that these investigations might contribute to a better understanding of the martensite...
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Holger Fink and Yvonne Graf
As webstores usually face the issue of low conversion rates, finding ways to effectively increase them is of special interest to researchers and practitioners alike. However, to the best of our knowledge, no one has yet empirically investigated the usefu...
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Renata Graf
The paper investigates the distribution properties of measurement series of river water temperatures for the lowland River Notec and its tributaries (Western Poland), as well as air temperatures at different data time resolution levels (1987?2013). The a...
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Renata Graf and Kamil Jawgiel
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Milena R. Kaluderovic, Tamara Krajnovic, Danijela Maksimovic-Ivanic, Hans-Ludwig Graf and Sanja Mijatovic
A primary goal in modern surface modification technology of dental implants is to achieve biocompatible surfaces with rapid but controlled healing which also allow health and longevity of implants. In order to realize all, understanding of osseointegrati...
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