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Lars Witte, Gabriele Arnold, Jan Bertram, Matthias Grott, Caroline Krämer, Andreas Lorek and Torben Wippermann
The Mars Exploration Program Analysis Group has identified measurements of the state and the variability of the Martian atmosphere as high priority investigations for the upcoming years. Balloon-borne instruments could bridge the gap in both temporal and...
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Torben Valdbjørn Rasmussen, Tessa Kvist Hansen, Yvonne Shashoua, Lisbeth M. Ottosen, Louise Green Pedersen, Jens Kromann Nielsen and Frederik R. Steenstrup
The performance of nine different vapor barrier systems comprising polyethylene (PE) membranes were assessed. The vapor barrier systems comprised membranes of virgin PE, 100% new PE, regenerated PE and multilayered virgin and regenerated PE. Membranes we...
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Nicolas Vidal, Susanne L. Amsinck, Vítor Gonçalves, José M. Neto Azevedo, Liselotte S. Johansson, Kirsten S. Christoffersen, Torben L. Lauridsen, Martin Søndergaard, Rikke Bjerring, Frank Landkildehus, Klaus P. Brodersen, Mariana Meerhoff and Erik Jeppesen
Disentangling the effects of climate change on nature is one of the main challenges facing ecologists nowadays. Warmer climates forces strong effects on lake biota for fish, leading to a reduction in size, changes in diet, more frequent reproduction, and...
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Torben Eggers, Hye Rim Kim, Simon Bittner, Jens Friedrichs and Joerg R. Seume
In modern aircraft engines, the low-pressure compressor (LPC) is subjected to a flow characterized by strong wakes and secondary flows from the upstream fan. This concerns ultra-high bypass ratio (UHBR) turbofan engines, in particular. This paper present...
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Kristian Eikeland Holmefjord, Lars Husdal, Martijn de Jongh and Sverre Torben
We examine the fuel savings of Edda Passat, a newly constructed wind farm support vessel that utilizes a common direct current (DC) grid. This enables its diesel engines to operate at variable speeds by using frequency converter technology. A detailed in...
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Andreas Sebastian Schmelt, Torben Marhenke, Jörg Hasener and Jens Twiefel
Non-destructive ultrasonic testing is utilized widely by industries for quality assurance. For sensitive materials or surfaces, non-contact, non-destructive testing methods are in demand. The air-coupled ultrasound (ACU) is one possible solution. This ca...
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Jacob Andersen, Rune Abrahamsen, Thomas Lykke Andersen, Morten Thøtt Andersen, Torben Ladegaard Baun and Jesper Lykkegaard Neubauer
The design of large diameter monopiles (8?10 m) at intermediate to deep waters is largely driven by the fatigue limit state and mainly due to wave loads. The scope of the present paper is to assess the mitigation of wave loads on a monopile by perforatio...
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Nabin Aryal and Torben Kvist
The Danish government has set an ambitious target to achieve 100% fossil independence across all energy sectors, which demands optimum utilization of renewable energy sources, such as wind and biogas, by 2050. Biogas production has increased, and the upg...
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Martin Søndergaard, Torben L. Lauridsen, Liselotte S. Johansson and Erik Jeppesen
Biomanipulation by fish removal has been used in many shallow lakes as a method to improve lake water quality. Here, we present and analyse 30 years of chemical and biological data from the shallow and 16 ha large Lake Væng, Denmark, which has been bioma...
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María Florencia Gutierrez, Melina Devercelli, Sandra Brucet, Torben L. Lauridsen, Martin Søndergaard, Erik Jeppesen
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Nutrient fluctuations and climate warming can synergistically affect trophic dynamics in lakes, resulting in enhanced symptoms of eutrophication, thereby potentially counteracting restoration measures. We performed a long-term study (23 years) of zooplan...
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