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Jan Erik Zeriadtke, Joël Martin and Viola Wartemann
The performance of hybrid rocket engines is significantly influenced by the fuel geometry. Burnback simulations, to determine the fuel surface and fluid volume, are therefore an important tool for preliminary design. This work presents a method for the s...
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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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Sholpan G. Giniyatova, Rafael I. Shakirzyanov, Yuriy A. Garanin, Nurzhan A. Sailaukhanov, Artem L. Kozlovskiy, Natalia O. Volodina, Dmitriy I. Shlimas and Daryn B. Borgekov
Ceramics based on zirconium dioxide are very important compounds for dental, implant, and structural material applications. Despite the fact that tetragonally stabilized YSZ has been well studied, the search for new compositions of zirconia-based ceramic...
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Yuyang Liu, Bo Feng and Yu Yao
With the intensification of water pollution problems worldwide, constructed wetlands, as a green, efficient, and energy-saving wastewater treatment technology, have gradually attracted the wide attention of scholars at home and abroad. In order to better...
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Ge Qin, Hongyu Feng, Rendong Yu, Fuchao Zheng, Xufei Jiang, Lu Xia and Shuqing An
Pharmaceuticals and Personal Care Products (PPCPs) constitute a group of compounds that are challenging to break down and potentially pose risks to both ecosystems and human health when they accumulate in water bodies. This study established and operated...
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