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Andreas Neumann and Michaela Brchnelova
Electric space propulsion is a technology that is used in a continuously increasing number of spacecrafts. The qualification of these propulsion systems has to run in ground-based test facilities which requires long testing times and powerful pumping sys...
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Andreas Tuerk, Dorian Frieden, Camilla Neumann, Konstantinos Latanis, Anastasios Tsitsanis, Spyridon Kousouris, Javier Llorente, Ismo Heimonen, Francesco Reda, Mia Ala-Juusela, Koen Allaerts, Chris Caerts, Thomas Schwarzl, Martin Ulbrich, Annette Stosch and Thomas Ramschak
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Kristoff Svensson, Andreas Neumann, Flora Feitosa Menezes, Christof Lempp and Herbert Pöllmann
The reaction of wollastonite with CO2 accompanied by SO2 and NO2 in the presence of a chloride-rich brine (230 g/L NaCl, 15 g/L CaCl2, 5 g/L MgCl2) at temperatures relevant to injection conditions (333 K) in carbon capture and storage (CCS) were investig...
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Andreas Neumann, H. Christian Hass, Jürgen Möbius and Céline Naderipour
Suspended, organic matter, especially in the form of adhesive extracellular polymers (EPS), tends to form flocs, which may also incorporate suspended lithogenic particles in coastal environments. With an increased settling velocity, these ballasted flocs...
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Kristoff Svensson, Andreas Neumann, Flora Feitosa Menezes, Christof Lempp and Herbert Pöllmann
The reaction of wollastonite (CaSiO3) with CO2 in the presence of aqueous solutions (H2O) and varied temperature conditions (296 K, 323 K, and 333 K) was investigated. The educts (CaSiO3) and the products (CaCO3 and SiO2) were analyzed by scanning electr...
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Saskia Windisch, Sebastian Bott, Marc-Andreas Ohler, Hans-Peter Mock, Rico Lippmann, Rita Grosch, Kornelia Smalla, Uwe Ludewig and Günter Neumann
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Andreas Neumann, Daniel Röder, Johan W. Joubert
Pág. 137 - 154
After private cars, minibus taxis are the most common transport mode in South Africa. Especially for low-income citizens living in townships, minibus services are often the only possibility for mobility. Despite the great importance of the mode, there is...
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